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This pull request includes the following UBI/UBIFS changes: 

* Powercut emulation for UBI
 * A huge update to UBI Fastmap
 * Cleanups and bugfixes all over UBI and UBIFS
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Merge tag 'upstream-4.1-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI/UBIFS updates from Richard Weinberger:
 "This pull request includes the following UBI/UBIFS changes:

   - powercut emulation for UBI
   - a huge update to UBI Fastmap
   - cleanups and bugfixes all over UBI and UBIFS"

* tag 'upstream-4.1-rc1' of git://git.infradead.org/linux-ubifs: (50 commits)
  UBI: power cut emulation for testing
  UBIFS: fix output format of INUM_WATERMARK
  UBI: Fastmap: Fall back to scanning mode after ECC error
  UBI: Fastmap: Remove is_fm_block()
  UBI: Fastmap: Add blank line after declarations
  UBI: Fastmap: Remove else after return.
  UBI: Fastmap: Introduce may_reserve_for_fm()
  UBI: Fastmap: Introduce ubi_fastmap_init()
  UBI: Fastmap: Wire up WL accessor functions
  UBI: Add accessor functions for WL data structures
  UBI: Move fastmap specific functions out of wl.c
  UBI: Fastmap: Add new module parameter fm_debug
  UBI: Fastmap: Make self_check_eba() depend on fastmap self checking
  UBI: Fastmap: Add self check to detect absent PEBs
  UBI: Fix stale pointers in ubi->lookuptbl
  UBI: Fastmap: Enhance fastmap checking
  UBI: Add initial support for fastmap self checks
  UBI: Fastmap: Rework fastmap error paths
  UBI: Fastmap: Prepare for variable sized fastmaps
  UBI: Fastmap: Locking updates
  ...
This commit is contained in:
Linus Torvalds 2015-04-15 13:43:40 -07:00
parent fa927894bb 5026906742
commit d613896926
38 changed files with 1510 additions and 1144 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/mtd/ubi/attach.c
View File

@ -410,7 +410,7 @@ int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
second_is_newer = !second_is_newer;
} else {
dbg_bld("PEB %d CRC is OK", pnum);
bitflips = !!err;
bitflips |= !!err;
}
mutex_unlock(&ubi->buf_mutex);
@ -1301,6 +1301,30 @@ out_ech:
return err;
}
static struct ubi_attach_info *alloc_ai(void)
{
struct ubi_attach_info *ai;
ai = kzalloc(sizeof(struct ubi_attach_info), GFP_KERNEL);
if (!ai)
return ai;
INIT_LIST_HEAD(&ai->corr);
INIT_LIST_HEAD(&ai->free);
INIT_LIST_HEAD(&ai->erase);
INIT_LIST_HEAD(&ai->alien);
ai->volumes = RB_ROOT;
ai->aeb_slab_cache = kmem_cache_create("ubi_aeb_slab_cache",
sizeof(struct ubi_ainf_peb),
0, 0, NULL);
if (!ai->aeb_slab_cache) {
kfree(ai);
ai = NULL;
}
return ai;
}
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
@ -1313,7 +1337,7 @@ out_ech:
* UBI_NO_FASTMAP denotes that no fastmap was found.
* UBI_BAD_FASTMAP denotes that the found fastmap was invalid.
*/
static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info *ai)
static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai)
{
int err, pnum, fm_anchor = -1;
unsigned long long max_sqnum = 0;
@ -1334,7 +1358,7 @@ static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info *ai)
cond_resched();
dbg_gen("process PEB %d", pnum);
err = scan_peb(ubi, ai, pnum, &vol_id, &sqnum);
err = scan_peb(ubi, *ai, pnum, &vol_id, &sqnum);
if (err < 0)
goto out_vidh;
@ -1350,7 +1374,12 @@ static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info *ai)
if (fm_anchor < 0)
return UBI_NO_FASTMAP;
return ubi_scan_fastmap(ubi, ai, fm_anchor);
destroy_ai(*ai);
*ai = alloc_ai();
if (!*ai)
return -ENOMEM;
return ubi_scan_fastmap(ubi, *ai, fm_anchor);
out_vidh:
ubi_free_vid_hdr(ubi, vidh);
@ -1362,30 +1391,6 @@ out:
#endif
static struct ubi_attach_info *alloc_ai(const char *slab_name)
{
struct ubi_attach_info *ai;
ai = kzalloc(sizeof(struct ubi_attach_info), GFP_KERNEL);
if (!ai)
return ai;
INIT_LIST_HEAD(&ai->corr);
INIT_LIST_HEAD(&ai->free);
INIT_LIST_HEAD(&ai->erase);
INIT_LIST_HEAD(&ai->alien);
ai->volumes = RB_ROOT;
ai->aeb_slab_cache = kmem_cache_create(slab_name,
sizeof(struct ubi_ainf_peb),
0, 0, NULL);
if (!ai->aeb_slab_cache) {
kfree(ai);
ai = NULL;
}
return ai;
}
/**
* ubi_attach - attach an MTD device.
* @ubi: UBI device descriptor
@ -1399,7 +1404,7 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
int err;
struct ubi_attach_info *ai;
ai = alloc_ai("ubi_aeb_slab_cache");
ai = alloc_ai();
if (!ai)
return -ENOMEM;
@ -1413,11 +1418,11 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
if (force_scan)
err = scan_all(ubi, ai, 0);
else {
err = scan_fast(ubi, ai);
if (err > 0) {
err = scan_fast(ubi, &ai);
if (err > 0 || mtd_is_eccerr(err)) {
if (err != UBI_NO_FASTMAP) {
destroy_ai(ai);
ai = alloc_ai("ubi_aeb_slab_cache2");
ai = alloc_ai();
if (!ai)
return -ENOMEM;
@ -1453,10 +1458,10 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
goto out_wl;
#ifdef CONFIG_MTD_UBI_FASTMAP
if (ubi->fm && ubi_dbg_chk_gen(ubi)) {
if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) {
struct ubi_attach_info *scan_ai;
scan_ai = alloc_ai("ubi_ckh_aeb_slab_cache");
scan_ai = alloc_ai();
if (!scan_ai) {
err = -ENOMEM;
goto out_wl;

29
drivers/mtd/ubi/build.c
View File

@ -81,6 +81,7 @@ static struct mtd_dev_param __initdata mtd_dev_param[UBI_MAX_DEVICES];
#ifdef CONFIG_MTD_UBI_FASTMAP
/* UBI module parameter to enable fastmap automatically on non-fastmap images */
static bool fm_autoconvert;
static bool fm_debug;
#endif
/* Root UBI "class" object (corresponds to '/<sysfs>/class/ubi/') */
struct class *ubi_class;
@ -154,23 +155,22 @@ static struct device_attribute dev_mtd_num =
*/
int ubi_volume_notify(struct ubi_device *ubi, struct ubi_volume *vol, int ntype)
{
int ret;
struct ubi_notification nt;
ubi_do_get_device_info(ubi, &nt.di);
ubi_do_get_volume_info(ubi, vol, &nt.vi);
#ifdef CONFIG_MTD_UBI_FASTMAP
switch (ntype) {
case UBI_VOLUME_ADDED:
case UBI_VOLUME_REMOVED:
case UBI_VOLUME_RESIZED:
case UBI_VOLUME_RENAMED:
if (ubi_update_fastmap(ubi)) {
ubi_err(ubi, "Unable to update fastmap!");
ubi_ro_mode(ubi);
}
ret = ubi_update_fastmap(ubi);
if (ret)
ubi_msg(ubi, "Unable to write a new fastmap: %i", ret);
}
#endif
return blocking_notifier_call_chain(&ubi_notifiers, ntype, &nt);
}
@ -950,8 +950,10 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
if (ubi->fm_pool.max_size < UBI_FM_MIN_POOL_SIZE)
ubi->fm_pool.max_size = UBI_FM_MIN_POOL_SIZE;
ubi->fm_wl_pool.max_size = UBI_FM_WL_POOL_SIZE;
ubi->fm_wl_pool.max_size = ubi->fm_pool.max_size / 2;
ubi->fm_disabled = !fm_autoconvert;
if (fm_debug)
ubi_enable_dbg_chk_fastmap(ubi);
if (!ubi->fm_disabled && (int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd)
<= UBI_FM_MAX_START) {
@ -970,8 +972,8 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
mutex_init(&ubi->ckvol_mutex);
mutex_init(&ubi->device_mutex);
spin_lock_init(&ubi->volumes_lock);
mutex_init(&ubi->fm_mutex);
init_rwsem(&ubi->fm_sem);
init_rwsem(&ubi->fm_protect);
init_rwsem(&ubi->fm_eba_sem);
ubi_msg(ubi, "attaching mtd%d", mtd->index);
@ -1115,8 +1117,11 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
ubi_msg(ubi, "detaching mtd%d", ubi->mtd->index);
#ifdef CONFIG_MTD_UBI_FASTMAP
/* If we don't write a new fastmap at detach time we lose all
* EC updates that have been made since the last written fastmap. */
ubi_update_fastmap(ubi);
* EC updates that have been made since the last written fastmap.
* In case of fastmap debugging we omit the update to simulate an
* unclean shutdown. */
if (!ubi_dbg_chk_fastmap(ubi))
ubi_update_fastmap(ubi);
#endif
/*
* Before freeing anything, we have to stop the background thread to
@ -1501,6 +1506,8 @@ MODULE_PARM_DESC(mtd, "MTD devices to attach. Parameter format: mtd=<name|num|pa
#ifdef CONFIG_MTD_UBI_FASTMAP
module_param(fm_autoconvert, bool, 0644);
MODULE_PARM_DESC(fm_autoconvert, "Set this parameter to enable fastmap automatically on images without a fastmap.");
module_param(fm_debug, bool, 0);
MODULE_PARM_DESC(fm_debug, "Set this parameter to enable fastmap debugging by default. Warning, this will make fastmap slow!");
#endif
MODULE_VERSION(__stringify(UBI_VERSION));
MODULE_DESCRIPTION("UBI - Unsorted Block Images");

2
drivers/mtd/ubi/cdev.c
View File

@ -455,7 +455,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
/* Validate the request */
err = -EINVAL;
if (req.lnum < 0 || req.lnum >= vol->reserved_pebs ||
req.bytes < 0 || req.lnum >= vol->usable_leb_size)
req.bytes < 0 || req.bytes > vol->usable_leb_size)
break;
err = get_exclusive(desc);

100
drivers/mtd/ubi/debug.c
View File

@ -263,7 +263,7 @@ static ssize_t dfs_file_read(struct file *file, char __user *user_buf,
struct dentry *dent = file->f_path.dentry;
struct ubi_device *ubi;
struct ubi_debug_info *d;
char buf[3];
char buf[8];
int val;
ubi = ubi_get_device(ubi_num);
@ -275,12 +275,30 @@ static ssize_t dfs_file_read(struct file *file, char __user *user_buf,
val = d->chk_gen;
else if (dent == d->dfs_chk_io)
val = d->chk_io;
else if (dent == d->dfs_chk_fastmap)
val = d->chk_fastmap;
else if (dent == d->dfs_disable_bgt)
val = d->disable_bgt;
else if (dent == d->dfs_emulate_bitflips)
val = d->emulate_bitflips;
else if (dent == d->dfs_emulate_io_failures)
val = d->emulate_io_failures;
else if (dent == d->dfs_emulate_power_cut) {
snprintf(buf, sizeof(buf), "%u\n", d->emulate_power_cut);
count = simple_read_from_buffer(user_buf, count, ppos,
buf, strlen(buf));
goto out;
} else if (dent == d->dfs_power_cut_min) {
snprintf(buf, sizeof(buf), "%u\n", d->power_cut_min);
count = simple_read_from_buffer(user_buf, count, ppos,
buf, strlen(buf));
goto out;
} else if (dent == d->dfs_power_cut_max) {
snprintf(buf, sizeof(buf), "%u\n", d->power_cut_max);
count = simple_read_from_buffer(user_buf, count, ppos,
buf, strlen(buf));
goto out;
}
else {
count = -EINVAL;
goto out;
@ -309,7 +327,7 @@ static ssize_t dfs_file_write(struct file *file, const char __user *user_buf,
struct ubi_device *ubi;
struct ubi_debug_info *d;
size_t buf_size;
char buf[8];
char buf[8] = {0};
int val;
ubi = ubi_get_device(ubi_num);
@ -323,6 +341,21 @@ static ssize_t dfs_file_write(struct file *file, const char __user *user_buf,
goto out;
}
if (dent == d->dfs_power_cut_min) {
if (kstrtouint(buf, 0, &d->power_cut_min) != 0)
count = -EINVAL;
goto out;
} else if (dent == d->dfs_power_cut_max) {
if (kstrtouint(buf, 0, &d->power_cut_max) != 0)
count = -EINVAL;
goto out;
} else if (dent == d->dfs_emulate_power_cut) {
if (kstrtoint(buf, 0, &val) != 0)
count = -EINVAL;
d->emulate_power_cut = val;
goto out;
}
if (buf[0] == '1')
val = 1;
else if (buf[0] == '0')
@ -336,6 +369,8 @@ static ssize_t dfs_file_write(struct file *file, const char __user *user_buf,
d->chk_gen = val;
else if (dent == d->dfs_chk_io)
d->chk_io = val;
else if (dent == d->dfs_chk_fastmap)
d->chk_fastmap = val;
else if (dent == d->dfs_disable_bgt)
d->disable_bgt = val;
else if (dent == d->dfs_emulate_bitflips)
@ -406,6 +441,13 @@ int ubi_debugfs_init_dev(struct ubi_device *ubi)
goto out_remove;
d->dfs_chk_io = dent;
fname = "chk_fastmap";
dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num,
&dfs_fops);
if (IS_ERR_OR_NULL(dent))
goto out_remove;
d->dfs_chk_fastmap = dent;
fname = "tst_disable_bgt";
dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num,
&dfs_fops);
@ -427,6 +469,27 @@ int ubi_debugfs_init_dev(struct ubi_device *ubi)
goto out_remove;
d->dfs_emulate_io_failures = dent;
fname = "tst_emulate_power_cut";
dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num,
&dfs_fops);
if (IS_ERR_OR_NULL(dent))
goto out_remove;
d->dfs_emulate_power_cut = dent;
fname = "tst_emulate_power_cut_min";
dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num,
&dfs_fops);
if (IS_ERR_OR_NULL(dent))
goto out_remove;
d->dfs_power_cut_min = dent;
fname = "tst_emulate_power_cut_max";
dent = debugfs_create_file(fname, S_IWUSR, d->dfs_dir, (void *)ubi_num,
&dfs_fops);
if (IS_ERR_OR_NULL(dent))
goto out_remove;
d->dfs_power_cut_max = dent;
return 0;
out_remove:
@ -447,3 +510,36 @@ void ubi_debugfs_exit_dev(struct ubi_device *ubi)
if (IS_ENABLED(CONFIG_DEBUG_FS))
debugfs_remove_recursive(ubi->dbg.dfs_dir);
}
/**
* ubi_dbg_power_cut - emulate a power cut if it is time to do so
* @ubi: UBI device description object
* @caller: Flags set to indicate from where the function is being called
*
* Returns non-zero if a power cut was emulated, zero if not.
*/
int ubi_dbg_power_cut(struct ubi_device *ubi, int caller)
{
unsigned int range;
if ((ubi->dbg.emulate_power_cut & caller) == 0)
return 0;
if (ubi->dbg.power_cut_counter == 0) {
ubi->dbg.power_cut_counter = ubi->dbg.power_cut_min;
if (ubi->dbg.power_cut_max > ubi->dbg.power_cut_min) {
range = ubi->dbg.power_cut_max - ubi->dbg.power_cut_min;
ubi->dbg.power_cut_counter += prandom_u32() % range;
}
return 0;
}
ubi->dbg.power_cut_counter--;
if (ubi->dbg.power_cut_counter)
return 0;
ubi_msg(ubi, "XXXXXXXXXXXXXXX emulating a power cut XXXXXXXXXXXXXXXX");
ubi_ro_mode(ubi);
return 1;
}

12
drivers/mtd/ubi/debug.h
View File

@ -127,4 +127,16 @@ static inline int ubi_dbg_chk_gen(const struct ubi_device *ubi)
{
return ubi->dbg.chk_gen;
}
static inline int ubi_dbg_chk_fastmap(const struct ubi_device *ubi)
{
return ubi->dbg.chk_fastmap;
}
static inline void ubi_enable_dbg_chk_fastmap(struct ubi_device *ubi)
{
ubi->dbg.chk_fastmap = 1;
}
int ubi_dbg_power_cut(struct ubi_device *ubi, int caller);
#endif /* !__UBI_DEBUG_H__ */

54
drivers/mtd/ubi/eba.c
View File

@ -340,9 +340,9 @@ int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
dbg_eba("erase LEB %d:%d, PEB %d", vol_id, lnum, pnum);
down_read(&ubi->fm_sem);
down_read(&ubi->fm_eba_sem);
vol->eba_tbl[lnum] = UBI_LEB_UNMAPPED;
up_read(&ubi->fm_sem);
up_read(&ubi->fm_eba_sem);
err = ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 0);
out_unlock:
@ -567,6 +567,7 @@ retry:
new_pnum = ubi_wl_get_peb(ubi);
if (new_pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
up_read(&ubi->fm_eba_sem);
return new_pnum;
}
@ -577,13 +578,16 @@ retry:
if (err && err != UBI_IO_BITFLIPS) {
if (err > 0)
err = -EIO;
up_read(&ubi->fm_eba_sem);
goto out_put;
}
vid_hdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi));
err = ubi_io_write_vid_hdr(ubi, new_pnum, vid_hdr);
if (err)
if (err) {
up_read(&ubi->fm_eba_sem);
goto write_error;
}
data_size = offset + len;
mutex_lock(&ubi->buf_mutex);
@ -592,8 +596,10 @@ retry:
/* Read everything before the area where the write failure happened */
if (offset > 0) {
err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, offset);
if (err && err != UBI_IO_BITFLIPS)
if (err && err != UBI_IO_BITFLIPS) {
up_read(&ubi->fm_eba_sem);
goto out_unlock;
}
}
memcpy(ubi->peb_buf + offset, buf, len);
@ -601,15 +607,15 @@ retry:
err = ubi_io_write_data(ubi, ubi->peb_buf, new_pnum, 0, data_size);
if (err) {
mutex_unlock(&ubi->buf_mutex);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
mutex_unlock(&ubi->buf_mutex);
ubi_free_vid_hdr(ubi, vid_hdr);
down_read(&ubi->fm_sem);
vol->eba_tbl[lnum] = new_pnum;
up_read(&ubi->fm_sem);
up_read(&ubi->fm_eba_sem);
ubi_wl_put_peb(ubi, vol_id, lnum, pnum, 1);
ubi_msg(ubi, "data was successfully recovered");
@ -704,6 +710,7 @@ retry:
if (pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
leb_write_unlock(ubi, vol_id, lnum);
up_read(&ubi->fm_eba_sem);
return pnum;
}
@ -714,6 +721,7 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write VID header to LEB %d:%d, PEB %d",
vol_id, lnum, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
@ -722,13 +730,13 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write %d bytes at offset %d of LEB %d:%d, PEB %d",
len, offset, vol_id, lnum, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
}
down_read(&ubi->fm_sem);
vol->eba_tbl[lnum] = pnum;
up_read(&ubi->fm_sem);
up_read(&ubi->fm_eba_sem);
leb_write_unlock(ubi, vol_id, lnum);
ubi_free_vid_hdr(ubi, vid_hdr);
@ -825,6 +833,7 @@ retry:
if (pnum < 0) {
ubi_free_vid_hdr(ubi, vid_hdr);
leb_write_unlock(ubi, vol_id, lnum);
up_read(&ubi->fm_eba_sem);
return pnum;
}
@ -835,6 +844,7 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write VID header to LEB %d:%d, PEB %d",
vol_id, lnum, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
@ -842,13 +852,13 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write %d bytes of data to PEB %d",
len, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
ubi_assert(vol->eba_tbl[lnum] < 0);
down_read(&ubi->fm_sem);
vol->eba_tbl[lnum] = pnum;
up_read(&ubi->fm_sem);
up_read(&ubi->fm_eba_sem);
leb_write_unlock(ubi, vol_id, lnum);
ubi_free_vid_hdr(ubi, vid_hdr);
@ -900,7 +910,7 @@ write_error:
int ubi_eba_atomic_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
int lnum, const void *buf, int len)
{
int err, pnum, tries = 0, vol_id = vol->vol_id;
int err, pnum, old_pnum, tries = 0, vol_id = vol->vol_id;
struct ubi_vid_hdr *vid_hdr;
uint32_t crc;
@ -943,6 +953,7 @@ retry:
pnum = ubi_wl_get_peb(ubi);
if (pnum < 0) {
err = pnum;
up_read(&ubi->fm_eba_sem);
goto out_leb_unlock;
}
@ -953,6 +964,7 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write VID header to LEB %d:%d, PEB %d",
vol_id, lnum, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
@ -960,19 +972,20 @@ retry:
if (err) {
ubi_warn(ubi, "failed to write %d bytes of data to PEB %d",
len, pnum);
up_read(&ubi->fm_eba_sem);
goto write_error;
}
if (vol->eba_tbl[lnum] >= 0) {
err = ubi_wl_put_peb(ubi, vol_id, lnum, vol->eba_tbl[lnum], 0);
old_pnum = vol->eba_tbl[lnum];
vol->eba_tbl[lnum] = pnum;
up_read(&ubi->fm_eba_sem);
if (old_pnum >= 0) {
err = ubi_wl_put_peb(ubi, vol_id, lnum, old_pnum, 0);
if (err)
goto out_leb_unlock;
}
down_read(&ubi->fm_sem);
vol->eba_tbl[lnum] = pnum;
up_read(&ubi->fm_sem);
out_leb_unlock:
leb_write_unlock(ubi, vol_id, lnum);
out_mutex:
@ -1218,9 +1231,9 @@ int ubi_eba_copy_leb(struct ubi_device *ubi, int from, int to,
}
ubi_assert(vol->eba_tbl[lnum] == from);
down_read(&ubi->fm_sem);
down_read(&ubi->fm_eba_sem);
vol->eba_tbl[lnum] = to;
up_read(&ubi->fm_sem);
up_read(&ubi->fm_eba_sem);
out_unlock_buf:
mutex_unlock(&ubi->buf_mutex);
@ -1419,7 +1432,8 @@ int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
* during re-size.
*/
ubi_move_aeb_to_list(av, aeb, &ai->erase);
vol->eba_tbl[aeb->lnum] = aeb->pnum;
else
vol->eba_tbl[aeb->lnum] = aeb->pnum;
}
}

362
drivers/mtd/ubi/fastmap-wl.c Normal file
View File

@ -0,0 +1,362 @@
/*
* Copyright (c) 2012 Linutronix GmbH
* Copyright (c) 2014 sigma star gmbh
* Author: Richard Weinberger <richard@nod.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
*/
/**
* update_fastmap_work_fn - calls ubi_update_fastmap from a work queue
* @wrk: the work description object
*/
static void update_fastmap_work_fn(struct work_struct *wrk)
{
struct ubi_device *ubi = container_of(wrk, struct ubi_device, fm_work);
ubi_update_fastmap(ubi);
spin_lock(&ubi->wl_lock);
ubi->fm_work_scheduled = 0;
spin_unlock(&ubi->wl_lock);
}
/**
* find_anchor_wl_entry - find wear-leveling entry to used as anchor PEB.
* @root: the RB-tree where to look for
*/
static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root)
{
struct rb_node *p;
struct ubi_wl_entry *e, *victim = NULL;
int max_ec = UBI_MAX_ERASECOUNTER;
ubi_rb_for_each_entry(p, e, root, u.rb) {
if (e->pnum < UBI_FM_MAX_START && e->ec < max_ec) {
victim = e;
max_ec = e->ec;
}
}
return victim;
}
/**
* return_unused_pool_pebs - returns unused PEB to the free tree.
* @ubi: UBI device description object
* @pool: fastmap pool description object
*/
static void return_unused_pool_pebs(struct ubi_device *ubi,
struct ubi_fm_pool *pool)
{
int i;
struct ubi_wl_entry *e;
for (i = pool->used; i < pool->size; i++) {
e = ubi->lookuptbl[pool->pebs[i]];
wl_tree_add(e, &ubi->free);
ubi->free_count++;
}
}
static int anchor_pebs_avalible(struct rb_root *root)
{
struct rb_node *p;
struct ubi_wl_entry *e;
ubi_rb_for_each_entry(p, e, root, u.rb)
if (e->pnum < UBI_FM_MAX_START)
return 1;
return 0;
}
/**
* ubi_wl_get_fm_peb - find a physical erase block with a given maximal number.
* @ubi: UBI device description object
* @anchor: This PEB will be used as anchor PEB by fastmap
*
* The function returns a physical erase block with a given maximal number
* and removes it from the wl subsystem.
* Must be called with wl_lock held!
*/
struct ubi_wl_entry *ubi_wl_get_fm_peb(struct ubi_device *ubi, int anchor)
{
struct ubi_wl_entry *e = NULL;
if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1))
goto out;
if (anchor)
e = find_anchor_wl_entry(&ubi->free);
else
e = find_mean_wl_entry(ubi, &ubi->free);
if (!e)
goto out;
self_check_in_wl_tree(ubi, e, &ubi->free);
/* remove it from the free list,
* the wl subsystem does no longer know this erase block */
rb_erase(&e->u.rb, &ubi->free);
ubi->free_count--;
out:
return e;
}
/**
* ubi_refill_pools - refills all fastmap PEB pools.
* @ubi: UBI device description object
*/
void ubi_refill_pools(struct ubi_device *ubi)
{
struct ubi_fm_pool *wl_pool = &ubi->fm_wl_pool;
struct ubi_fm_pool *pool = &ubi->fm_pool;
struct ubi_wl_entry *e;
int enough;
spin_lock(&ubi->wl_lock);
return_unused_pool_pebs(ubi, wl_pool);
return_unused_pool_pebs(ubi, pool);
wl_pool->size = 0;
pool->size = 0;
for (;;) {
enough = 0;
if (pool->size < pool->max_size) {
if (!ubi->free.rb_node)
break;
e = wl_get_wle(ubi);
if (!e)
break;
pool->pebs[pool->size] = e->pnum;
pool->size++;
} else
enough++;
if (wl_pool->size < wl_pool->max_size) {
if (!ubi->free.rb_node ||
(ubi->free_count - ubi->beb_rsvd_pebs < 5))
break;
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
rb_erase(&e->u.rb, &ubi->free);
ubi->free_count--;
wl_pool->pebs[wl_pool->size] = e->pnum;
wl_pool->size++;
} else
enough++;
if (enough == 2)
break;
}
wl_pool->used = 0;
pool->used = 0;
spin_unlock(&ubi->wl_lock);
}
/**
* ubi_wl_get_peb - get a physical eraseblock.
* @ubi: UBI device description object
*
* This function returns a physical eraseblock in case of success and a
* negative error code in case of failure.
* Returns with ubi->fm_eba_sem held in read mode!
*/
int ubi_wl_get_peb(struct ubi_device *ubi)
{
int ret, retried = 0;
struct ubi_fm_pool *pool = &ubi->fm_pool;
struct ubi_fm_pool *wl_pool = &ubi->fm_wl_pool;
again:
down_read(&ubi->fm_eba_sem);
spin_lock(&ubi->wl_lock);
/* We check here also for the WL pool because at this point we can
* refill the WL pool synchronous. */
if (pool->used == pool->size || wl_pool->used == wl_pool->size) {
spin_unlock(&ubi->wl_lock);
up_read(&ubi->fm_eba_sem);
ret = ubi_update_fastmap(ubi);
if (ret) {
ubi_msg(ubi, "Unable to write a new fastmap: %i", ret);
down_read(&ubi->fm_eba_sem);
return -ENOSPC;
}
down_read(&ubi->fm_eba_sem);
spin_lock(&ubi->wl_lock);
}
if (pool->used == pool->size) {
spin_unlock(&ubi->wl_lock);
if (retried) {
ubi_err(ubi, "Unable to get a free PEB from user WL pool");
ret = -ENOSPC;
goto out;
}
retried = 1;
up_read(&ubi->fm_eba_sem);
goto again;
}
ubi_assert(pool->used < pool->size);
ret = pool->pebs[pool->used++];
prot_queue_add(ubi, ubi->lookuptbl[ret]);
spin_unlock(&ubi->wl_lock);
out:
return ret;
}
/* get_peb_for_wl - returns a PEB to be used internally by the WL sub-system.
*
* @ubi: UBI device description object
*/
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
{
struct ubi_fm_pool *pool = &ubi->fm_wl_pool;
int pnum;
if (pool->used == pool->size) {
/* We cannot update the fastmap here because this
* function is called in atomic context.
* Let's fail here and refill/update it as soon as possible. */
if (!ubi->fm_work_scheduled) {
ubi->fm_work_scheduled = 1;
schedule_work(&ubi->fm_work);
}
return NULL;
}
pnum = pool->pebs[pool->used++];
return ubi->lookuptbl[pnum];
}
/**
* ubi_ensure_anchor_pebs - schedule wear-leveling to produce an anchor PEB.
* @ubi: UBI device description object
*/
int ubi_ensure_anchor_pebs(struct ubi_device *ubi)
{
struct ubi_work *wrk;
spin_lock(&ubi->wl_lock);
if (ubi->wl_scheduled) {
spin_unlock(&ubi->wl_lock);
return 0;
}
ubi->wl_scheduled = 1;
spin_unlock(&ubi->wl_lock);
wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS);
if (!wrk) {
spin_lock(&ubi->wl_lock);
ubi->wl_scheduled = 0;
spin_unlock(&ubi->wl_lock);
return -ENOMEM;
}
wrk->anchor = 1;
wrk->func = &wear_leveling_worker;
schedule_ubi_work(ubi, wrk);
return 0;
}
/**
* ubi_wl_put_fm_peb - returns a PEB used in a fastmap to the wear-leveling
* sub-system.
* see: ubi_wl_put_peb()
*
* @ubi: UBI device description object
* @fm_e: physical eraseblock to return
* @lnum: the last used logical eraseblock number for the PEB
* @torture: if this physical eraseblock has to be tortured
*/
int ubi_wl_put_fm_peb(struct ubi_device *ubi, struct ubi_wl_entry *fm_e,
int lnum, int torture)
{
struct ubi_wl_entry *e;
int vol_id, pnum = fm_e->pnum;
dbg_wl("PEB %d", pnum);
ubi_assert(pnum >= 0);
ubi_assert(pnum < ubi->peb_count);
spin_lock(&ubi->wl_lock);
e = ubi->lookuptbl[pnum];
/* This can happen if we recovered from a fastmap the very
* first time and writing now a new one. In this case the wl system
* has never seen any PEB used by the original fastmap.
*/
if (!e) {
e = fm_e;
ubi_assert(e->ec >= 0);
ubi->lookuptbl[pnum] = e;
}
spin_unlock(&ubi->wl_lock);
vol_id = lnum ? UBI_FM_DATA_VOLUME_ID : UBI_FM_SB_VOLUME_ID;
return schedule_erase(ubi, e, vol_id, lnum, torture);
}
/**
* ubi_is_erase_work - checks whether a work is erase work.
* @wrk: The work object to be checked
*/
int ubi_is_erase_work(struct ubi_work *wrk)
{
return wrk->func == erase_worker;
}
static void ubi_fastmap_close(struct ubi_device *ubi)
{
int i;
flush_work(&ubi->fm_work);
return_unused_pool_pebs(ubi, &ubi->fm_pool);
return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);
if (ubi->fm) {
for (i = 0; i < ubi->fm->used_blocks; i++)
kfree(ubi->fm->e[i]);
}
kfree(ubi->fm);
}
/**
* may_reserve_for_fm - tests whether a PEB shall be reserved for fastmap.
* See find_mean_wl_entry()
*
* @ubi: UBI device description object
* @e: physical eraseblock to return
* @root: RB tree to test against.
*/
static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
struct ubi_wl_entry *e,
struct rb_root *root) {
if (e && !ubi->fm_disabled && !ubi->fm &&
e->pnum < UBI_FM_MAX_START)
e = rb_entry(rb_next(root->rb_node),
struct ubi_wl_entry, u.rb);
return e;
}

449
drivers/mtd/ubi/fastmap.c
View File

@ -1,5 +1,6 @@
/*
* Copyright (c) 2012 Linutronix GmbH
* Copyright (c) 2014 sigma star gmbh
* Author: Richard Weinberger <richard@nod.at>
*
* This program is free software; you can redistribute it and/or modify
@ -16,6 +17,69 @@
#include <linux/crc32.h>
#include "ubi.h"
/**
* init_seen - allocate memory for used for debugging.
* @ubi: UBI device description object
*/
static inline int *init_seen(struct ubi_device *ubi)
{
int *ret;
if (!ubi_dbg_chk_fastmap(ubi))
return NULL;
ret = kcalloc(ubi->peb_count, sizeof(int), GFP_KERNEL);
if (!ret)
return ERR_PTR(-ENOMEM);
return ret;
}
/**
* free_seen - free the seen logic integer array.
* @seen: integer array of @ubi->peb_count size
*/
static inline void free_seen(int *seen)
{
kfree(seen);
}
/**
* set_seen - mark a PEB as seen.
* @ubi: UBI device description object
* @pnum: The PEB to be makred as seen
* @seen: integer array of @ubi->peb_count size
*/
static inline void set_seen(struct ubi_device *ubi, int pnum, int *seen)
{
if (!ubi_dbg_chk_fastmap(ubi) || !seen)
return;
seen[pnum] = 1;
}
/**
* self_check_seen - check whether all PEB have been seen by fastmap.
* @ubi: UBI device description object
* @seen: integer array of @ubi->peb_count size
*/
static int self_check_seen(struct ubi_device *ubi, int *seen)
{
int pnum, ret = 0;
if (!ubi_dbg_chk_fastmap(ubi) || !seen)
return 0;
for (pnum = 0; pnum < ubi->peb_count; pnum++) {
if (!seen[pnum] && ubi->lookuptbl[pnum]) {
ubi_err(ubi, "self-check failed for PEB %d, fastmap didn't see it", pnum);
ret = -EINVAL;
}
}
return ret;
}
/**
* ubi_calc_fm_size - calculates the fastmap size in bytes for an UBI device.
* @ubi: UBI device description object
@ -136,14 +200,15 @@ static struct ubi_ainf_volume *add_vol(struct ubi_attach_info *ai, int vol_id,
if (!av)
goto out;
av->highest_lnum = av->leb_count = 0;
av->highest_lnum = av->leb_count = av->used_ebs = 0;
av->vol_id = vol_id;
av->used_ebs = used_ebs;
av->data_pad = data_pad;
av->last_data_size = last_eb_bytes;
av->compat = 0;
av->vol_type = vol_type;
av->root = RB_ROOT;
if (av->vol_type == UBI_STATIC_VOLUME)
av->used_ebs = used_ebs;
dbg_bld("found volume (ID %i)", vol_id);
@ -362,6 +427,7 @@ static void unmap_peb(struct ubi_attach_info *ai, int pnum)
aeb = rb_entry(node2, struct ubi_ainf_peb, u.rb);
if (aeb->pnum == pnum) {
rb_erase(&aeb->u.rb, &av->root);
av->leb_count--;
kmem_cache_free(ai->aeb_slab_cache, aeb);
return;
}
@ -376,7 +442,6 @@ static void unmap_peb(struct ubi_attach_info *ai, int pnum)
* @pebs: an array of all PEB numbers in the to be scanned pool
* @pool_size: size of the pool (number of entries in @pebs)
* @max_sqnum: pointer to the maximal sequence number
* @eba_orphans: list of PEBs which need to be scanned
* @free: list of PEBs which are most likely free (and go into @ai->free)
*
* Returns 0 on success, if the pool is unusable UBI_BAD_FASTMAP is returned.
@ -384,12 +449,12 @@ static void unmap_peb(struct ubi_attach_info *ai, int pnum)
*/
static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
int *pebs, int pool_size, unsigned long long *max_sqnum,
struct list_head *eba_orphans, struct list_head *free)
struct list_head *free)
{
struct ubi_vid_hdr *vh;
struct ubi_ec_hdr *ech;
struct ubi_ainf_peb *new_aeb, *tmp_aeb;
int i, pnum, err, found_orphan, ret = 0;
struct ubi_ainf_peb *new_aeb;
int i, pnum, err, ret = 0;
ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
if (!ech)
@ -457,18 +522,6 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
if (err == UBI_IO_BITFLIPS)
scrub = 1;
found_orphan = 0;
list_for_each_entry(tmp_aeb, eba_orphans, u.list) {
if (tmp_aeb->pnum == pnum) {
found_orphan = 1;
break;
}
}
if (found_orphan) {
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
}
new_aeb = kmem_cache_alloc(ai->aeb_slab_cache,
GFP_KERNEL);
if (!new_aeb) {
@ -543,10 +596,9 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
struct ubi_attach_info *ai,
struct ubi_fastmap_layout *fm)
{
struct list_head used, eba_orphans, free;
struct list_head used, free;
struct ubi_ainf_volume *av;
struct ubi_ainf_peb *aeb, *tmp_aeb, *_tmp_aeb;
struct ubi_ec_hdr *ech;
struct ubi_fm_sb *fmsb;
struct ubi_fm_hdr *fmhdr;
struct ubi_fm_scan_pool *fmpl1, *fmpl2;
@ -560,22 +612,8 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
INIT_LIST_HEAD(&used);
INIT_LIST_HEAD(&free);
INIT_LIST_HEAD(&eba_orphans);
INIT_LIST_HEAD(&ai->corr);
INIT_LIST_HEAD(&ai->free);
INIT_LIST_HEAD(&ai->erase);
INIT_LIST_HEAD(&ai->alien);
ai->volumes = RB_ROOT;
ai->min_ec = UBI_MAX_ERASECOUNTER;
ai->aeb_slab_cache = kmem_cache_create("ubi_ainf_peb_slab",
sizeof(struct ubi_ainf_peb),
0, 0, NULL);
if (!ai->aeb_slab_cache) {
ret = -ENOMEM;
goto fail;
}
fmsb = (struct ubi_fm_sb *)(fm_raw);
ai->max_sqnum = fmsb->sqnum;
fm_pos += sizeof(struct ubi_fm_sb);
@ -741,28 +779,9 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
}
}
/* This can happen if a PEB is already in an EBA known
* by this fastmap but the PEB itself is not in the used
* list.
* In this case the PEB can be within the fastmap pool
* or while writing the fastmap it was in the protection
* queue.
*/
if (!aeb) {
aeb = kmem_cache_alloc(ai->aeb_slab_cache,
GFP_KERNEL);
if (!aeb) {
ret = -ENOMEM;
goto fail;
}
aeb->lnum = j;
aeb->pnum = be32_to_cpu(fm_eba->pnum[j]);
aeb->ec = -1;
aeb->scrub = aeb->copy_flag = aeb->sqnum = 0;
list_add_tail(&aeb->u.list, &eba_orphans);
continue;
ubi_err(ubi, "PEB %i is in EBA but not in used list", pnum);
goto fail_bad;
}
aeb->lnum = j;
@ -775,49 +794,13 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
dbg_bld("inserting PEB:%i (LEB %i) to vol %i",
aeb->pnum, aeb->lnum, av->vol_id);
}
ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
if (!ech) {
ret = -ENOMEM;
goto fail;
}
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans,
u.list) {
int err;
if (ubi_io_is_bad(ubi, tmp_aeb->pnum)) {
ubi_err(ubi, "bad PEB in fastmap EBA orphan list");
ret = UBI_BAD_FASTMAP;
kfree(ech);
goto fail;
}
err = ubi_io_read_ec_hdr(ubi, tmp_aeb->pnum, ech, 0);
if (err && err != UBI_IO_BITFLIPS) {
ubi_err(ubi, "unable to read EC header! PEB:%i err:%i",
tmp_aeb->pnum, err);
ret = err > 0 ? UBI_BAD_FASTMAP : err;
kfree(ech);
goto fail;
} else if (err == UBI_IO_BITFLIPS)
tmp_aeb->scrub = 1;
tmp_aeb->ec = be64_to_cpu(ech->ec);
assign_aeb_to_av(ai, tmp_aeb, av);
}
kfree(ech);
}
ret = scan_pool(ubi, ai, fmpl1->pebs, pool_size, &max_sqnum,
&eba_orphans, &free);
ret = scan_pool(ubi, ai, fmpl1->pebs, pool_size, &max_sqnum, &free);
if (ret)
goto fail;
ret = scan_pool(ubi, ai, fmpl2->pebs, wl_pool_size, &max_sqnum,
&eba_orphans, &free);
ret = scan_pool(ubi, ai, fmpl2->pebs, wl_pool_size, &max_sqnum, &free);
if (ret)
goto fail;
@ -827,8 +810,9 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list)
list_move_tail(&tmp_aeb->u.list, &ai->free);
ubi_assert(list_empty(&used));
ubi_assert(list_empty(&eba_orphans));
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &used, u.list)
list_move_tail(&tmp_aeb->u.list, &ai->erase);
ubi_assert(list_empty(&free));
/*
@ -850,10 +834,6 @@ fail:
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
}
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &eba_orphans, u.list) {
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
}
list_for_each_entry_safe(tmp_aeb, _tmp_aeb, &free, u.list) {
list_del(&tmp_aeb->u.list);
kmem_cache_free(ai->aeb_slab_cache, tmp_aeb);
@ -884,7 +864,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
__be32 crc, tmp_crc;
unsigned long long sqnum = 0;
mutex_lock(&ubi->fm_mutex);
down_write(&ubi->fm_protect);
memset(ubi->fm_buf, 0, ubi->fm_size);
fmsb = kmalloc(sizeof(*fmsb), GFP_KERNEL);
@ -1075,7 +1055,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
ubi_free_vid_hdr(ubi, vh);
kfree(ech);
out:
mutex_unlock(&ubi->fm_mutex);
up_write(&ubi->fm_protect);
if (ret == UBI_BAD_FASTMAP)
ubi_err(ubi, "Attach by fastmap failed, doing a full scan!");
return ret;
@ -1107,13 +1087,14 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
struct ubi_fm_ec *fec;
struct ubi_fm_volhdr *fvh;
struct ubi_fm_eba *feba;
struct rb_node *node;
struct ubi_wl_entry *wl_e;
struct ubi_volume *vol;
struct ubi_vid_hdr *avhdr, *dvhdr;
struct ubi_work *ubi_wrk;
struct rb_node *tmp_rb;
int ret, i, j, free_peb_count, used_peb_count, vol_count;
int scrub_peb_count, erase_peb_count;
int *seen_pebs = NULL;
fm_raw = ubi->fm_buf;
memset(ubi->fm_buf, 0, ubi->fm_size);
@ -1130,6 +1111,12 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
goto out_kfree;
}
seen_pebs = init_seen(ubi);
if (IS_ERR(seen_pebs)) {
ret = PTR_ERR(seen_pebs);
goto out_kfree;
}
spin_lock(&ubi->volumes_lock);
spin_lock(&ubi->wl_lock);
@ -1160,8 +1147,10 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
fmpl1->size = cpu_to_be16(ubi->fm_pool.size);
fmpl1->max_size = cpu_to_be16(ubi->fm_pool.max_size);
for (i = 0; i < ubi->fm_pool.size; i++)
for (i = 0; i < ubi->fm_pool.size; i++) {
fmpl1->pebs[i] = cpu_to_be32(ubi->fm_pool.pebs[i]);
set_seen(ubi, ubi->fm_pool.pebs[i], seen_pebs);
}
fmpl2 = (struct ubi_fm_scan_pool *)(fm_raw + fm_pos);
fm_pos += sizeof(*fmpl2);
@ -1169,14 +1158,16 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
fmpl2->size = cpu_to_be16(ubi->fm_wl_pool.size);
fmpl2->max_size = cpu_to_be16(ubi->fm_wl_pool.max_size);
for (i = 0; i < ubi->fm_wl_pool.size; i++)
for (i = 0; i < ubi->fm_wl_pool.size; i++) {
fmpl2->pebs[i] = cpu_to_be32(ubi->fm_wl_pool.pebs[i]);
set_seen(ubi, ubi->fm_wl_pool.pebs[i], seen_pebs);
}
for (node = rb_first(&ubi->free); node; node = rb_next(node)) {
wl_e = rb_entry(node, struct ubi_wl_entry, u.rb);
ubi_for_each_free_peb(ubi, wl_e, tmp_rb) {
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
set_seen(ubi, wl_e->pnum, seen_pebs);
fec->ec = cpu_to_be32(wl_e->ec);
free_peb_count++;
@ -1185,11 +1176,11 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
}
fmh->free_peb_count = cpu_to_be32(free_peb_count);
for (node = rb_first(&ubi->used); node; node = rb_next(node)) {
wl_e = rb_entry(node, struct ubi_wl_entry, u.rb);
ubi_for_each_used_peb(ubi, wl_e, tmp_rb) {
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
set_seen(ubi, wl_e->pnum, seen_pebs);
fec->ec = cpu_to_be32(wl_e->ec);
used_peb_count++;
@ -1197,25 +1188,24 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
ubi_assert(fm_pos <= ubi->fm_size);
}
for (i = 0; i < UBI_PROT_QUEUE_LEN; i++) {
list_for_each_entry(wl_e, &ubi->pq[i], u.list) {
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
fec->ec = cpu_to_be32(wl_e->ec);
used_peb_count++;
fm_pos += sizeof(*fec);
ubi_assert(fm_pos <= ubi->fm_size);
}
}
fmh->used_peb_count = cpu_to_be32(used_peb_count);
for (node = rb_first(&ubi->scrub); node; node = rb_next(node)) {
wl_e = rb_entry(node, struct ubi_wl_entry, u.rb);
ubi_for_each_protected_peb(ubi, i, wl_e) {
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
set_seen(ubi, wl_e->pnum, seen_pebs);
fec->ec = cpu_to_be32(wl_e->ec);
used_peb_count++;
fm_pos += sizeof(*fec);
ubi_assert(fm_pos <= ubi->fm_size);
}
fmh->used_peb_count = cpu_to_be32(used_peb_count);
ubi_for_each_scrub_peb(ubi, wl_e, tmp_rb) {
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
set_seen(ubi, wl_e->pnum, seen_pebs);
fec->ec = cpu_to_be32(wl_e->ec);
scrub_peb_count++;
@ -1233,6 +1223,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
fec = (struct ubi_fm_ec *)(fm_raw + fm_pos);
fec->pnum = cpu_to_be32(wl_e->pnum);
set_seen(ubi, wl_e->pnum, seen_pebs);
fec->ec = cpu_to_be32(wl_e->ec);
erase_peb_count++;
@ -1292,6 +1283,7 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
for (i = 0; i < new_fm->used_blocks; i++) {
fmsb->block_loc[i] = cpu_to_be32(new_fm->e[i]->pnum);
set_seen(ubi, new_fm->e[i]->pnum, seen_pebs);
fmsb->block_ec[i] = cpu_to_be32(new_fm->e[i]->ec);
}
@ -1325,11 +1317,13 @@ static int ubi_write_fastmap(struct ubi_device *ubi,
ubi_assert(new_fm);
ubi->fm = new_fm;
ret = self_check_seen(ubi, seen_pebs);
dbg_bld("fastmap written!");
out_kfree:
ubi_free_vid_hdr(ubi, avhdr);
ubi_free_vid_hdr(ubi, dvhdr);
free_seen(seen_pebs);
out:
return ret;
}
@ -1384,31 +1378,87 @@ out:
/**
* invalidate_fastmap - destroys a fastmap.
* @ubi: UBI device object
* @fm: the fastmap to be destroyed
*
* This function ensures that upon next UBI attach a full scan
* is issued. We need this if UBI is about to write a new fastmap
* but is unable to do so. In this case we have two options:
* a) Make sure that the current fastmap will not be usued upon
* attach time and contine or b) fall back to RO mode to have the
* current fastmap in a valid state.
* Returns 0 on success, < 0 indicates an internal error.
*/
static int invalidate_fastmap(struct ubi_device *ubi,
struct ubi_fastmap_layout *fm)
static int invalidate_fastmap(struct ubi_device *ubi)
{
int ret;
struct ubi_vid_hdr *vh;
struct ubi_fastmap_layout *fm;
struct ubi_wl_entry *e;
struct ubi_vid_hdr *vh = NULL;
ret = erase_block(ubi, fm->e[0]->pnum);
if (ret < 0)
return ret;
if (!ubi->fm)
return 0;
ubi->fm = NULL;
ret = -ENOMEM;
fm = kzalloc(sizeof(*fm), GFP_KERNEL);
if (!fm)
goto out;
vh = new_fm_vhdr(ubi, UBI_FM_SB_VOLUME_ID);
if (!vh)
return -ENOMEM;
goto out_free_fm;
/* deleting the current fastmap SB is not enough, an old SB may exist,
* so create a (corrupted) SB such that fastmap will find it and fall
* back to scanning mode in any case */
ret = -ENOSPC;
e = ubi_wl_get_fm_peb(ubi, 1);
if (!e)
goto out_free_fm;
/*
* Create fake fastmap such that UBI will fall back
* to scanning mode.
*/
vh->sqnum = cpu_to_be64(ubi_next_sqnum(ubi));
ret = ubi_io_write_vid_hdr(ubi, fm->e[0]->pnum, vh);
ret = ubi_io_write_vid_hdr(ubi, e->pnum, vh);
if (ret < 0) {
ubi_wl_put_fm_peb(ubi, e, 0, 0);
goto out_free_fm;
}
fm->used_blocks = 1;
fm->e[0] = e;
ubi->fm = fm;
out:
ubi_free_vid_hdr(ubi, vh);
return ret;
out_free_fm:
kfree(fm);
goto out;
}
/**
* return_fm_pebs - returns all PEBs used by a fastmap back to the
* WL sub-system.
* @ubi: UBI device object
* @fm: fastmap layout object
*/
static void return_fm_pebs(struct ubi_device *ubi,
struct ubi_fastmap_layout *fm)
{
int i;
if (!fm)
return;
for (i = 0; i < fm->used_blocks; i++) {
if (fm->e[i]) {
ubi_wl_put_fm_peb(ubi, fm->e[i], i,
fm->to_be_tortured[i]);
fm->e[i] = NULL;
}
}
}
/**
@ -1420,45 +1470,32 @@ static int invalidate_fastmap(struct ubi_device *ubi,
*/
int ubi_update_fastmap(struct ubi_device *ubi)
{
int ret, i;
int ret, i, j;
struct ubi_fastmap_layout *new_fm, *old_fm;
struct ubi_wl_entry *tmp_e;
mutex_lock(&ubi->fm_mutex);
down_write(&ubi->fm_protect);
ubi_refill_pools(ubi);
if (ubi->ro_mode || ubi->fm_disabled) {
mutex_unlock(&ubi->fm_mutex);
up_write(&ubi->fm_protect);
return 0;
}
ret = ubi_ensure_anchor_pebs(ubi);
if (ret) {
mutex_unlock(&ubi->fm_mutex);
up_write(&ubi->fm_protect);
return ret;
}
new_fm = kzalloc(sizeof(*new_fm), GFP_KERNEL);
if (!new_fm) {
mutex_unlock(&ubi->fm_mutex);
up_write(&ubi->fm_protect);
return -ENOMEM;
}
new_fm->used_blocks = ubi->fm_size / ubi->leb_size;
for (i = 0; i < new_fm->used_blocks; i++) {
new_fm->e[i] = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
if (!new_fm->e[i]) {
while (i--)
kfree(new_fm->e[i]);
kfree(new_fm);
mutex_unlock(&ubi->fm_mutex);
return -ENOMEM;
}
}
old_fm = ubi->fm;
ubi->fm = NULL;
@ -1473,37 +1510,49 @@ int ubi_update_fastmap(struct ubi_device *ubi)
tmp_e = ubi_wl_get_fm_peb(ubi, 0);
spin_unlock(&ubi->wl_lock);
if (!tmp_e && !old_fm) {
int j;
ubi_err(ubi, "could not get any free erase block");
if (!tmp_e) {
if (old_fm && old_fm->e[i]) {
ret = erase_block(ubi, old_fm->e[i]->pnum);
if (ret < 0) {
ubi_err(ubi, "could not erase old fastmap PEB");
for (j = 1; j < i; j++)
ubi_wl_put_fm_peb(ubi, new_fm->e[j], j, 0);
for (j = 1; j < i; j++) {
ubi_wl_put_fm_peb(ubi, new_fm->e[j],
j, 0);
new_fm->e[j] = NULL;
}
goto err;
}
new_fm->e[i] = old_fm->e[i];
old_fm->e[i] = NULL;
} else {
ubi_err(ubi, "could not get any free erase block");
ret = -ENOSPC;
goto err;
} else if (!tmp_e && old_fm) {
ret = erase_block(ubi, old_fm->e[i]->pnum);
if (ret < 0) {
int j;
for (j = 1; j < i; j++) {
ubi_wl_put_fm_peb(ubi, new_fm->e[j], j, 0);
new_fm->e[j] = NULL;
}
for (j = 1; j < i; j++)
ubi_wl_put_fm_peb(ubi, new_fm->e[j],
j, 0);
ubi_err(ubi, "could not erase old fastmap PEB");
ret = -ENOSPC;
goto err;
}
new_fm->e[i]->pnum = old_fm->e[i]->pnum;
new_fm->e[i]->ec = old_fm->e[i]->ec;
} else {
new_fm->e[i]->pnum = tmp_e->pnum;
new_fm->e[i]->ec = tmp_e->ec;
new_fm->e[i] = tmp_e;
if (old_fm)
if (old_fm && old_fm->e[i]) {
ubi_wl_put_fm_peb(ubi, old_fm->e[i], i,
old_fm->to_be_tortured[i]);
old_fm->e[i] = NULL;
}
}
}
/* Old fastmap is larger than the new one */
if (old_fm && new_fm->used_blocks < old_fm->used_blocks) {
for (i = new_fm->used_blocks; i < old_fm->used_blocks; i++) {
ubi_wl_put_fm_peb(ubi, old_fm->e[i], i,
old_fm->to_be_tortured[i]);
old_fm->e[i] = NULL;
}
}
@ -1516,67 +1565,67 @@ int ubi_update_fastmap(struct ubi_device *ubi)
if (!tmp_e) {
ret = erase_block(ubi, old_fm->e[0]->pnum);
if (ret < 0) {
int i;
ubi_err(ubi, "could not erase old anchor PEB");
for (i = 1; i < new_fm->used_blocks; i++)
for (i = 1; i < new_fm->used_blocks; i++) {
ubi_wl_put_fm_peb(ubi, new_fm->e[i],
i, 0);
new_fm->e[i] = NULL;
}
goto err;
}
new_fm->e[0]->pnum = old_fm->e[0]->pnum;
new_fm->e[0] = old_fm->e[0];
new_fm->e[0]->ec = ret;
old_fm->e[0] = NULL;
} else {
/* we've got a new anchor PEB, return the old one */
ubi_wl_put_fm_peb(ubi, old_fm->e[0], 0,
old_fm->to_be_tortured[0]);
new_fm->e[0]->pnum = tmp_e->pnum;
new_fm->e[0]->ec = tmp_e->ec;
new_fm->e[0] = tmp_e;
old_fm->e[0] = NULL;
}
} else {
if (!tmp_e) {
int i;
ubi_err(ubi, "could not find any anchor PEB");
for (i = 1; i < new_fm->used_blocks; i++)
for (i = 1; i < new_fm->used_blocks; i++) {
ubi_wl_put_fm_peb(ubi, new_fm->e[i], i, 0);
new_fm->e[i] = NULL;
}
ret = -ENOSPC;
goto err;
}
new_fm->e[0]->pnum = tmp_e->pnum;
new_fm->e[0]->ec = tmp_e->ec;
new_fm->e[0] = tmp_e;
}
down_write(&ubi->work_sem);
down_write(&ubi->fm_sem);
down_write(&ubi->fm_eba_sem);
ret = ubi_write_fastmap(ubi, new_fm);
up_write(&ubi->fm_sem);
up_write(&ubi->fm_eba_sem);
up_write(&ubi->work_sem);
if (ret)
goto err;
out_unlock:
mutex_unlock(&ubi->fm_mutex);
up_write(&ubi->fm_protect);
kfree(old_fm);
return ret;
err:
kfree(new_fm);
ubi_warn(ubi, "Unable to write new fastmap, err=%i", ret);
ret = 0;
if (old_fm) {
ret = invalidate_fastmap(ubi, old_fm);
if (ret < 0)
ubi_err(ubi, "Unable to invalidiate current fastmap!");
else if (ret)
ret = 0;
ret = invalidate_fastmap(ubi);
if (ret < 0) {
ubi_err(ubi, "Unable to invalidiate current fastmap!");
ubi_ro_mode(ubi);
} else {
return_fm_pebs(ubi, old_fm);
return_fm_pebs(ubi, new_fm);
ret = 0;
}
kfree(new_fm);
goto out_unlock;
}

6
drivers/mtd/ubi/io.c
View File

@ -859,6 +859,9 @@ int ubi_io_write_ec_hdr(struct ubi_device *ubi, int pnum,
if (err)
return err;
if (ubi_dbg_power_cut(ubi, POWER_CUT_EC_WRITE))
return -EROFS;
err = ubi_io_write(ubi, ec_hdr, pnum, 0, ubi->ec_hdr_alsize);
return err;
}
@ -1106,6 +1109,9 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum,
if (err)
return err;
if (ubi_dbg_power_cut(ubi, POWER_CUT_VID_WRITE))
return -EROFS;
p = (char *)vid_hdr - ubi->vid_hdr_shift;
err = ubi_io_write(ubi, p, pnum, ubi->vid_hdr_aloffset,
ubi->vid_hdr_alsize);

2
drivers/mtd/ubi/ubi-media.h
View File

@ -403,8 +403,6 @@ struct ubi_vtbl_record {
#define UBI_FM_MIN_POOL_SIZE 8
#define UBI_FM_MAX_POOL_SIZE 256
#define UBI_FM_WL_POOL_SIZE 25
/**
* struct ubi_fm_sb - UBI fastmap super block
* @magic: fastmap super block magic number (%UBI_FM_SB_MAGIC)

85
drivers/mtd/ubi/ubi.h
View File

@ -151,6 +151,17 @@ enum {
UBI_BAD_FASTMAP,
};
/*
* Flags for emulate_power_cut in ubi_debug_info
*
* POWER_CUT_EC_WRITE: Emulate a power cut when writing an EC header
* POWER_CUT_VID_WRITE: Emulate a power cut when writing a VID header
*/
enum {
POWER_CUT_EC_WRITE = 0x01,
POWER_CUT_VID_WRITE = 0x02,
};
/**
* struct ubi_wl_entry - wear-leveling entry.
* @u.rb: link in the corresponding (free/used) RB-tree
@ -356,30 +367,48 @@ struct ubi_wl_entry;
*
* @chk_gen: if UBI general extra checks are enabled
* @chk_io: if UBI I/O extra checks are enabled
* @chk_fastmap: if UBI fastmap extra checks are enabled
* @disable_bgt: disable the background task for testing purposes
* @emulate_bitflips: emulate bit-flips for testing purposes
* @emulate_io_failures: emulate write/erase failures for testing purposes
* @emulate_power_cut: emulate power cut for testing purposes
* @power_cut_counter: count down for writes left until emulated power cut
* @power_cut_min: minimum number of writes before emulating a power cut
* @power_cut_max: maximum number of writes until emulating a power cut
* @dfs_dir_name: name of debugfs directory containing files of this UBI device
* @dfs_dir: direntry object of the UBI device debugfs directory
* @dfs_chk_gen: debugfs knob to enable UBI general extra checks
* @dfs_chk_io: debugfs knob to enable UBI I/O extra checks
* @dfs_chk_fastmap: debugfs knob to enable UBI fastmap extra checks
* @dfs_disable_bgt: debugfs knob to disable the background task
* @dfs_emulate_bitflips: debugfs knob to emulate bit-flips
* @dfs_emulate_io_failures: debugfs knob to emulate write/erase failures
* @dfs_emulate_power_cut: debugfs knob to emulate power cuts
* @dfs_power_cut_min: debugfs knob for minimum writes before power cut
* @dfs_power_cut_max: debugfs knob for maximum writes until power cut
*/
struct ubi_debug_info {
unsigned int chk_gen:1;
unsigned int chk_io:1;
unsigned int chk_fastmap:1;
unsigned int disable_bgt:1;
unsigned int emulate_bitflips:1;
unsigned int emulate_io_failures:1;
unsigned int emulate_power_cut:2;
unsigned int power_cut_counter;
unsigned int power_cut_min;
unsigned int power_cut_max;
char dfs_dir_name[UBI_DFS_DIR_LEN + 1];
struct dentry *dfs_dir;
struct dentry *dfs_chk_gen;
struct dentry *dfs_chk_io;
struct dentry *dfs_chk_fastmap;
struct dentry *dfs_disable_bgt;
struct dentry *dfs_emulate_bitflips;
struct dentry *dfs_emulate_io_failures;
struct dentry *dfs_emulate_power_cut;
struct dentry *dfs_power_cut_min;
struct dentry *dfs_power_cut_max;
};
/**
@ -426,11 +455,13 @@ struct ubi_debug_info {
* @fm_pool: in-memory data structure of the fastmap pool
* @fm_wl_pool: in-memory data structure of the fastmap pool used by the WL
* sub-system
* @fm_mutex: serializes ubi_update_fastmap() and protects @fm_buf
* @fm_protect: serializes ubi_update_fastmap(), protects @fm_buf and makes sure
* that critical sections cannot be interrupted by ubi_update_fastmap()
* @fm_buf: vmalloc()'d buffer which holds the raw fastmap
* @fm_size: fastmap size in bytes
* @fm_sem: allows ubi_update_fastmap() to block EBA table changes
* @fm_eba_sem: allows ubi_update_fastmap() to block EBA table changes
* @fm_work: fastmap work queue
* @fm_work_scheduled: non-zero if fastmap work was scheduled
*
* @used: RB-tree of used physical eraseblocks
* @erroneous: RB-tree of erroneous used physical eraseblocks
@ -442,7 +473,8 @@ struct ubi_debug_info {
* @pq_head: protection queue head
* @wl_lock: protects the @used, @free, @pq, @pq_head, @lookuptbl, @move_from,
* @move_to, @move_to_put @erase_pending, @wl_scheduled, @works,
* @erroneous, and @erroneous_peb_count fields
* @erroneous, @erroneous_peb_count, @fm_work_scheduled, @fm_pool,
* and @fm_wl_pool fields
* @move_mutex: serializes eraseblock moves
* @work_sem: used to wait for all the scheduled works to finish and prevent
* new works from being submitted
@ -479,7 +511,7 @@ struct ubi_debug_info {
* @vid_hdr_offset: starting offset of the volume identifier header (might be
* unaligned)
* @vid_hdr_aloffset: starting offset of the VID header aligned to
* @hdrs_min_io_size
* @hdrs_min_io_size
* @vid_hdr_shift: contains @vid_hdr_offset - @vid_hdr_aloffset
* @bad_allowed: whether the MTD device admits of bad physical eraseblocks or
* not
@ -532,11 +564,12 @@ struct ubi_device {
struct ubi_fastmap_layout *fm;
struct ubi_fm_pool fm_pool;
struct ubi_fm_pool fm_wl_pool;
struct rw_semaphore fm_sem;
struct mutex fm_mutex;
struct rw_semaphore fm_eba_sem;
struct rw_semaphore fm_protect;
void *fm_buf;
size_t fm_size;
struct work_struct fm_work;
int fm_work_scheduled;
/* Wear-leveling sub-system's stuff */
struct rb_root used;
@ -868,10 +901,14 @@ int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
int pnum, const struct ubi_vid_hdr *vid_hdr);
/* fastmap.c */
#ifdef CONFIG_MTD_UBI_FASTMAP
size_t ubi_calc_fm_size(struct ubi_device *ubi);
int ubi_update_fastmap(struct ubi_device *ubi);
int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
int fm_anchor);
#else
static inline int ubi_update_fastmap(struct ubi_device *ubi) { return 0; }
#endif
/* block.c */
#ifdef CONFIG_MTD_UBI_BLOCK
@ -892,6 +929,42 @@ static inline int ubiblock_remove(struct ubi_volume_info *vi)
}
#endif
/*
* ubi_for_each_free_peb - walk the UBI free RB tree.
* @ubi: UBI device description object
* @e: a pointer to a ubi_wl_entry to use as cursor
* @pos: a pointer to RB-tree entry type to use as a loop counter
*/
#define ubi_for_each_free_peb(ubi, e, tmp_rb) \
ubi_rb_for_each_entry((tmp_rb), (e), &(ubi)->free, u.rb)
/*
* ubi_for_each_used_peb - walk the UBI used RB tree.
* @ubi: UBI device description object
* @e: a pointer to a ubi_wl_entry to use as cursor
* @pos: a pointer to RB-tree entry type to use as a loop counter
*/
#define ubi_for_each_used_peb(ubi, e, tmp_rb) \
ubi_rb_for_each_entry((tmp_rb), (e), &(ubi)->used, u.rb)
/*
* ubi_for_each_scub_peb - walk the UBI scub RB tree.
* @ubi: UBI device description object
* @e: a pointer to a ubi_wl_entry to use as cursor
* @pos: a pointer to RB-tree entry type to use as a loop counter
*/
#define ubi_for_each_scrub_peb(ubi, e, tmp_rb) \
ubi_rb_for_each_entry((tmp_rb), (e), &(ubi)->scrub, u.rb)
/*
* ubi_for_each_protected_peb - walk the UBI protection queue.
* @ubi: UBI device description object
* @i: a integer used as counter
* @e: a pointer to a ubi_wl_entry to use as cursor
*/
#define ubi_for_each_protected_peb(ubi, i, e) \
for ((i) = 0; (i) < UBI_PROT_QUEUE_LEN; (i)++) \
list_for_each_entry((e), &(ubi->pq[(i)]), u.list)
/*
* ubi_rb_for_each_entry - walk an RB-tree.

587
drivers/mtd/ubi/wl.c
View File

@ -103,6 +103,7 @@
#include <linux/freezer.h>
#include <linux/kthread.h>
#include "ubi.h"
#include "wl.h"
/* Number of physical eraseblocks reserved for wear-leveling purposes */
#define WL_RESERVED_PEBS 1
@ -140,42 +141,6 @@ static int self_check_in_wl_tree(const struct ubi_device *ubi,
static int self_check_in_pq(const struct ubi_device *ubi,
struct ubi_wl_entry *e);
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* update_fastmap_work_fn - calls ubi_update_fastmap from a work queue
* @wrk: the work description object
*/
static void update_fastmap_work_fn(struct work_struct *wrk)
{
struct ubi_device *ubi = container_of(wrk, struct ubi_device, fm_work);
ubi_update_fastmap(ubi);
}
/**
* ubi_ubi_is_fm_block - returns 1 if a PEB is currently used in a fastmap.
* @ubi: UBI device description object
* @pnum: the to be checked PEB
*/
static int ubi_is_fm_block(struct ubi_device *ubi, int pnum)
{
int i;
if (!ubi->fm)
return 0;
for (i = 0; i < ubi->fm->used_blocks; i++)
if (ubi->fm->e[i]->pnum == pnum)
return 1;
return 0;
}
#else
static int ubi_is_fm_block(struct ubi_device *ubi, int pnum)
{
return 0;
}
#endif
/**
* wl_tree_add - add a wear-leveling entry to a WL RB-tree.
* @e: the wear-leveling entry to add
@ -212,6 +177,20 @@ static void wl_tree_add(struct ubi_wl_entry *e, struct rb_root *root)
rb_insert_color(&e->u.rb, root);
}
/**
* wl_tree_destroy - destroy a wear-leveling entry.
* @ubi: UBI device description object
* @e: the wear-leveling entry to add
*
* This function destroys a wear leveling entry and removes
* the reference from the lookup table.
*/
static void wl_entry_destroy(struct ubi_device *ubi, struct ubi_wl_entry *e)
{
ubi->lookuptbl[e->pnum] = NULL;
kmem_cache_free(ubi_wl_entry_slab, e);
}
/**
* do_work - do one pending work.
* @ubi: UBI device description object
@ -259,33 +238,6 @@ static int do_work(struct ubi_device *ubi)
return err;
}
/**
* produce_free_peb - produce a free physical eraseblock.
* @ubi: UBI device description object
*
* This function tries to make a free PEB by means of synchronous execution of
* pending works. This may be needed if, for example the background thread is
* disabled. Returns zero in case of success and a negative error code in case
* of failure.
*/
static int produce_free_peb(struct ubi_device *ubi)
{
int err;
while (!ubi->free.rb_node && ubi->works_count) {
spin_unlock(&ubi->wl_lock);
dbg_wl("do one work synchronously");
err = do_work(ubi);
spin_lock(&ubi->wl_lock);
if (err)
return err;
}
return 0;
}
/**
* in_wl_tree - check if wear-leveling entry is present in a WL RB-tree.
* @e: the wear-leveling entry to check
@ -409,119 +361,32 @@ static struct ubi_wl_entry *find_mean_wl_entry(struct ubi_device *ubi,
if (last->ec - first->ec < WL_FREE_MAX_DIFF) {
e = rb_entry(root->rb_node, struct ubi_wl_entry, u.rb);
#ifdef CONFIG_MTD_UBI_FASTMAP
/* If no fastmap has been written and this WL entry can be used
* as anchor PEB, hold it back and return the second best
* WL entry such that fastmap can use the anchor PEB later. */
if (e && !ubi->fm_disabled && !ubi->fm &&
e->pnum < UBI_FM_MAX_START)
e = rb_entry(rb_next(root->rb_node),
struct ubi_wl_entry, u.rb);
#endif
e = may_reserve_for_fm(ubi, e, root);
} else
e = find_wl_entry(ubi, root, WL_FREE_MAX_DIFF/2);
return e;
}
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* find_anchor_wl_entry - find wear-leveling entry to used as anchor PEB.
* @root: the RB-tree where to look for
*/
static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root)
{
struct rb_node *p;
struct ubi_wl_entry *e, *victim = NULL;
int max_ec = UBI_MAX_ERASECOUNTER;
ubi_rb_for_each_entry(p, e, root, u.rb) {
if (e->pnum < UBI_FM_MAX_START && e->ec < max_ec) {
victim = e;
max_ec = e->ec;
}
}
return victim;
}
static int anchor_pebs_avalible(struct rb_root *root)
{
struct rb_node *p;
struct ubi_wl_entry *e;
ubi_rb_for_each_entry(p, e, root, u.rb)
if (e->pnum < UBI_FM_MAX_START)
return 1;
return 0;
}
/**
* ubi_wl_get_fm_peb - find a physical erase block with a given maximal number.
* @ubi: UBI device description object
* @anchor: This PEB will be used as anchor PEB by fastmap
*
* The function returns a physical erase block with a given maximal number
* and removes it from the wl subsystem.
* Must be called with wl_lock held!
*/
struct ubi_wl_entry *ubi_wl_get_fm_peb(struct ubi_device *ubi, int anchor)
{
struct ubi_wl_entry *e = NULL;
if (!ubi->free.rb_node || (ubi->free_count - ubi->beb_rsvd_pebs < 1))
goto out;
if (anchor)
e = find_anchor_wl_entry(&ubi->free);
else
e = find_mean_wl_entry(ubi, &ubi->free);
if (!e)
goto out;
self_check_in_wl_tree(ubi, e, &ubi->free);
/* remove it from the free list,
* the wl subsystem does no longer know this erase block */
rb_erase(&e->u.rb, &ubi->free);
ubi->free_count--;
out:
return e;
}
#endif
/**
* __wl_get_peb - get a physical eraseblock.
* wl_get_wle - get a mean wl entry to be used by ubi_wl_get_peb() or
* refill_wl_user_pool().
* @ubi: UBI device description object
*
* This function returns a physical eraseblock in case of success and a
* negative error code in case of failure.
* This function returns a a wear leveling entry in case of success and
* NULL in case of failure.
*/
static int __wl_get_peb(struct ubi_device *ubi)
static struct ubi_wl_entry *wl_get_wle(struct ubi_device *ubi)
{
int err;
struct ubi_wl_entry *e;
retry:
if (!ubi->free.rb_node) {
if (ubi->works_count == 0) {
ubi_err(ubi, "no free eraseblocks");
ubi_assert(list_empty(&ubi->works));
return -ENOSPC;
}
err = produce_free_peb(ubi);
if (err < 0)
return err;
goto retry;
}
e = find_mean_wl_entry(ubi, &ubi->free);
if (!e) {
ubi_err(ubi, "no free eraseblocks");
return -ENOSPC;
return NULL;
}
self_check_in_wl_tree(ubi, e, &ubi->free);
@ -533,174 +398,10 @@ retry:
rb_erase(&e->u.rb, &ubi->free);
ubi->free_count--;
dbg_wl("PEB %d EC %d", e->pnum, e->ec);
#ifndef CONFIG_MTD_UBI_FASTMAP
/* We have to enqueue e only if fastmap is disabled,
* is fastmap enabled prot_queue_add() will be called by
* ubi_wl_get_peb() after removing e from the pool. */
prot_queue_add(ubi, e);
#endif
return e->pnum;
}
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* return_unused_pool_pebs - returns unused PEB to the free tree.
* @ubi: UBI device description object
* @pool: fastmap pool description object
*/
static void return_unused_pool_pebs(struct ubi_device *ubi,
struct ubi_fm_pool *pool)
{
int i;
struct ubi_wl_entry *e;
for (i = pool->used; i < pool->size; i++) {
e = ubi->lookuptbl[pool->pebs[i]];
wl_tree_add(e, &ubi->free);
ubi->free_count++;
}
}
/**
* refill_wl_pool - refills all the fastmap pool used by the
* WL sub-system.
* @ubi: UBI device description object
*/
static void refill_wl_pool(struct ubi_device *ubi)
{
struct ubi_wl_entry *e;
struct ubi_fm_pool *pool = &ubi->fm_wl_pool;
return_unused_pool_pebs(ubi, pool);
for (pool->size = 0; pool->size < pool->max_size; pool->size++) {
if (!ubi->free.rb_node ||
(ubi->free_count - ubi->beb_rsvd_pebs < 5))
break;
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
rb_erase(&e->u.rb, &ubi->free);
ubi->free_count--;
pool->pebs[pool->size] = e->pnum;
}
pool->used = 0;
}
/**
* refill_wl_user_pool - refills all the fastmap pool used by ubi_wl_get_peb.
* @ubi: UBI device description object
*/
static void refill_wl_user_pool(struct ubi_device *ubi)
{
struct ubi_fm_pool *pool = &ubi->fm_pool;
return_unused_pool_pebs(ubi, pool);
for (pool->size = 0; pool->size < pool->max_size; pool->size++) {
pool->pebs[pool->size] = __wl_get_peb(ubi);
if (pool->pebs[pool->size] < 0)
break;
}
pool->used = 0;
}
/**
* ubi_refill_pools - refills all fastmap PEB pools.
* @ubi: UBI device description object
*/
void ubi_refill_pools(struct ubi_device *ubi)
{
spin_lock(&ubi->wl_lock);
refill_wl_pool(ubi);
refill_wl_user_pool(ubi);
spin_unlock(&ubi->wl_lock);
}
/* ubi_wl_get_peb - works exaclty like __wl_get_peb but keeps track of
* the fastmap pool.
*/
int ubi_wl_get_peb(struct ubi_device *ubi)
{
int ret;
struct ubi_fm_pool *pool = &ubi->fm_pool;
struct ubi_fm_pool *wl_pool = &ubi->fm_wl_pool;
if (!pool->size || !wl_pool->size || pool->used == pool->size ||
wl_pool->used == wl_pool->size)
ubi_update_fastmap(ubi);
/* we got not a single free PEB */
if (!pool->size)
ret = -ENOSPC;
else {
spin_lock(&ubi->wl_lock);
ret = pool->pebs[pool->used++];
prot_queue_add(ubi, ubi->lookuptbl[ret]);
spin_unlock(&ubi->wl_lock);
}
return ret;
}
/* get_peb_for_wl - returns a PEB to be used internally by the WL sub-system.
*
* @ubi: UBI device description object
*/
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
{
struct ubi_fm_pool *pool = &ubi->fm_wl_pool;
int pnum;
if (pool->used == pool->size || !pool->size) {
/* We cannot update the fastmap here because this
* function is called in atomic context.
* Let's fail here and refill/update it as soon as possible. */
schedule_work(&ubi->fm_work);
return NULL;
} else {
pnum = pool->pebs[pool->used++];
return ubi->lookuptbl[pnum];
}
}
#else
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
{
struct ubi_wl_entry *e;
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
ubi->free_count--;
ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
}
int ubi_wl_get_peb(struct ubi_device *ubi)
{
int peb, err;
spin_lock(&ubi->wl_lock);
peb = __wl_get_peb(ubi);
spin_unlock(&ubi->wl_lock);
if (peb < 0)
return peb;
err = ubi_self_check_all_ff(ubi, peb, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
ubi_err(ubi, "new PEB %d does not contain all 0xFF bytes",
peb);
return err;
}
return peb;
}
#endif
/**
* prot_queue_del - remove a physical eraseblock from the protection queue.
* @ubi: UBI device description object
@ -867,17 +568,6 @@ static void schedule_ubi_work(struct ubi_device *ubi, struct ubi_work *wrk)
static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
int shutdown);
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* ubi_is_erase_work - checks whether a work is erase work.
* @wrk: The work object to be checked
*/
int ubi_is_erase_work(struct ubi_work *wrk)
{
return wrk->func == erase_worker;
}
#endif
/**
* schedule_erase - schedule an erase work.
* @ubi: UBI device description object
@ -895,7 +585,6 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
struct ubi_work *wl_wrk;
ubi_assert(e);
ubi_assert(!ubi_is_fm_block(ubi, e->pnum));
dbg_wl("schedule erasure of PEB %d, EC %d, torture %d",
e->pnum, e->ec, torture);
@ -942,51 +631,6 @@ static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
return erase_worker(ubi, wl_wrk, 0);
}
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* ubi_wl_put_fm_peb - returns a PEB used in a fastmap to the wear-leveling
* sub-system.
* see: ubi_wl_put_peb()
*
* @ubi: UBI device description object
* @fm_e: physical eraseblock to return
* @lnum: the last used logical eraseblock number for the PEB
* @torture: if this physical eraseblock has to be tortured
*/
int ubi_wl_put_fm_peb(struct ubi_device *ubi, struct ubi_wl_entry *fm_e,
int lnum, int torture)
{
struct ubi_wl_entry *e;
int vol_id, pnum = fm_e->pnum;
dbg_wl("PEB %d", pnum);
ubi_assert(pnum >= 0);
ubi_assert(pnum < ubi->peb_count);
spin_lock(&ubi->wl_lock);
e = ubi->lookuptbl[pnum];
/* This can happen if we recovered from a fastmap the very
* first time and writing now a new one. In this case the wl system
* has never seen any PEB used by the original fastmap.
*/
if (!e) {
e = fm_e;
ubi_assert(e->ec >= 0);
ubi->lookuptbl[pnum] = e;
} else {
e->ec = fm_e->ec;
kfree(fm_e);
}
spin_unlock(&ubi->wl_lock);
vol_id = lnum ? UBI_FM_DATA_VOLUME_ID : UBI_FM_SB_VOLUME_ID;
return schedule_erase(ubi, e, vol_id, lnum, torture);
}
#endif
/**
* wear_leveling_worker - wear-leveling worker function.
* @ubi: UBI device description object
@ -1002,7 +646,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
int shutdown)
{
int err, scrubbing = 0, torture = 0, protect = 0, erroneous = 0;
int vol_id = -1, uninitialized_var(lnum);
int vol_id = -1, lnum = -1;
#ifdef CONFIG_MTD_UBI_FASTMAP
int anchor = wrk->anchor;
#endif
@ -1214,7 +858,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
err = do_sync_erase(ubi, e1, vol_id, lnum, 0);
if (err) {
if (e2)
kmem_cache_free(ubi_wl_entry_slab, e2);
wl_entry_destroy(ubi, e2);
goto out_ro;
}
@ -1282,8 +926,8 @@ out_error:
spin_unlock(&ubi->wl_lock);
ubi_free_vid_hdr(ubi, vid_hdr);
kmem_cache_free(ubi_wl_entry_slab, e1);
kmem_cache_free(ubi_wl_entry_slab, e2);
wl_entry_destroy(ubi, e1);
wl_entry_destroy(ubi, e2);
out_ro:
ubi_ro_mode(ubi);
@ -1369,38 +1013,6 @@ out_unlock:
return err;
}
#ifdef CONFIG_MTD_UBI_FASTMAP
/**
* ubi_ensure_anchor_pebs - schedule wear-leveling to produce an anchor PEB.
* @ubi: UBI device description object
*/
int ubi_ensure_anchor_pebs(struct ubi_device *ubi)
{
struct ubi_work *wrk;
spin_lock(&ubi->wl_lock);
if (ubi->wl_scheduled) {
spin_unlock(&ubi->wl_lock);
return 0;
}
ubi->wl_scheduled = 1;
spin_unlock(&ubi->wl_lock);
wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS);
if (!wrk) {
spin_lock(&ubi->wl_lock);
ubi->wl_scheduled = 0;
spin_unlock(&ubi->wl_lock);
return -ENOMEM;
}
wrk->anchor = 1;
wrk->func = &wear_leveling_worker;
schedule_ubi_work(ubi, wrk);
return 0;
}
#endif
/**
* erase_worker - physical eraseblock erase worker function.
* @ubi: UBI device description object
@ -1425,15 +1037,13 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
if (shutdown) {
dbg_wl("cancel erasure of PEB %d EC %d", pnum, e->ec);
kfree(wl_wrk);
kmem_cache_free(ubi_wl_entry_slab, e);
wl_entry_destroy(ubi, e);
return 0;
}
dbg_wl("erase PEB %d EC %d LEB %d:%d",
pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum);
ubi_assert(!ubi_is_fm_block(ubi, e->pnum));
err = sync_erase(ubi, e, wl_wrk->torture);
if (!err) {
/* Fine, we've erased it successfully */
@ -1471,7 +1081,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
return err;
}
kmem_cache_free(ubi_wl_entry_slab, e);
wl_entry_destroy(ubi, e);
if (err != -EIO)
/*
* If this is not %-EIO, we have no idea what to do. Scheduling
@ -1563,6 +1173,8 @@ int ubi_wl_put_peb(struct ubi_device *ubi, int vol_id, int lnum,
ubi_assert(pnum >= 0);
ubi_assert(pnum < ubi->peb_count);
down_read(&ubi->fm_protect);
retry:
spin_lock(&ubi->wl_lock);
e = ubi->lookuptbl[pnum];
@ -1593,6 +1205,7 @@ retry:
ubi_assert(!ubi->move_to_put);
ubi->move_to_put = 1;
spin_unlock(&ubi->wl_lock);
up_read(&ubi->fm_protect);
return 0;
} else {
if (in_wl_tree(e, &ubi->used)) {
@ -1614,6 +1227,7 @@ retry:
ubi_err(ubi, "PEB %d not found", pnum);
ubi_ro_mode(ubi);
spin_unlock(&ubi->wl_lock);
up_read(&ubi->fm_protect);
return err;
}
}
@ -1627,6 +1241,7 @@ retry:
spin_unlock(&ubi->wl_lock);
}
up_read(&ubi->fm_protect);
return err;
}
@ -1758,9 +1373,10 @@ int ubi_wl_flush(struct ubi_device *ubi, int vol_id, int lnum)
/**
* tree_destroy - destroy an RB-tree.
* @ubi: UBI device description object
* @root: the root of the tree to destroy
*/
static void tree_destroy(struct rb_root *root)
static void tree_destroy(struct ubi_device *ubi, struct rb_root *root)
{
struct rb_node *rb;
struct ubi_wl_entry *e;
@ -1782,7 +1398,7 @@ static void tree_destroy(struct rb_root *root)
rb->rb_right = NULL;
}
kmem_cache_free(ubi_wl_entry_slab, e);
wl_entry_destroy(ubi, e);
}
}
}
@ -1850,6 +1466,9 @@ int ubi_thread(void *u)
*/
static void shutdown_work(struct ubi_device *ubi)
{
#ifdef CONFIG_MTD_UBI_FASTMAP
flush_work(&ubi->fm_work);
#endif
while (!list_empty(&ubi->works)) {
struct ubi_work *wrk;
@ -1883,9 +1502,6 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
init_rwsem(&ubi->work_sem);
ubi->max_ec = ai->max_ec;
INIT_LIST_HEAD(&ubi->works);
#ifdef CONFIG_MTD_UBI_FASTMAP
INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
#endif
sprintf(ubi->bgt_name, UBI_BGT_NAME_PATTERN, ubi->ubi_num);
@ -1907,10 +1523,9 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
e->pnum = aeb->pnum;
e->ec = aeb->ec;
ubi_assert(!ubi_is_fm_block(ubi, e->pnum));
ubi->lookuptbl[e->pnum] = e;
if (schedule_erase(ubi, e, aeb->vol_id, aeb->lnum, 0)) {
kmem_cache_free(ubi_wl_entry_slab, e);
wl_entry_destroy(ubi, e);
goto out_free;
}
@ -1928,7 +1543,6 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
e->pnum = aeb->pnum;
e->ec = aeb->ec;
ubi_assert(e->ec >= 0);
ubi_assert(!ubi_is_fm_block(ubi, e->pnum));
wl_tree_add(e, &ubi->free);
ubi->free_count++;
@ -1966,17 +1580,20 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
dbg_wl("found %i PEBs", found_pebs);
if (ubi->fm)
if (ubi->fm) {
ubi_assert(ubi->good_peb_count == \
found_pebs + ubi->fm->used_blocks);
for (i = 0; i < ubi->fm->used_blocks; i++) {
e = ubi->fm->e[i];
ubi->lookuptbl[e->pnum] = e;
}
}
else
ubi_assert(ubi->good_peb_count == found_pebs);
reserved_pebs = WL_RESERVED_PEBS;
#ifdef CONFIG_MTD_UBI_FASTMAP
/* Reserve enough LEBs to store two fastmaps. */
reserved_pebs += (ubi->fm_size / ubi->leb_size) * 2;
#endif
ubi_fastmap_init(ubi, &reserved_pebs);
if (ubi->avail_pebs < reserved_pebs) {
ubi_err(ubi, "no enough physical eraseblocks (%d, need %d)",
@ -1998,9 +1615,9 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
out_free:
shutdown_work(ubi);
tree_destroy(&ubi->used);
tree_destroy(&ubi->free);
tree_destroy(&ubi->scrub);
tree_destroy(ubi, &ubi->used);
tree_destroy(ubi, &ubi->free);
tree_destroy(ubi, &ubi->scrub);
kfree(ubi->lookuptbl);
return err;
}
@ -2017,7 +1634,7 @@ static void protection_queue_destroy(struct ubi_device *ubi)
for (i = 0; i < UBI_PROT_QUEUE_LEN; ++i) {
list_for_each_entry_safe(e, tmp, &ubi->pq[i], u.list) {
list_del(&e->u.list);
kmem_cache_free(ubi_wl_entry_slab, e);
wl_entry_destroy(ubi, e);
}
}
}
@ -2029,12 +1646,13 @@ static void protection_queue_destroy(struct ubi_device *ubi)
void ubi_wl_close(struct ubi_device *ubi)
{
dbg_wl("close the WL sub-system");
ubi_fastmap_close(ubi);
shutdown_work(ubi);
protection_queue_destroy(ubi);
tree_destroy(&ubi->used);
tree_destroy(&ubi->erroneous);
tree_destroy(&ubi->free);
tree_destroy(&ubi->scrub);
tree_destroy(ubi, &ubi->used);
tree_destroy(ubi, &ubi->erroneous);
tree_destroy(ubi, &ubi->free);
tree_destroy(ubi, &ubi->scrub);
kfree(ubi->lookuptbl);
}
@ -2133,3 +1751,94 @@ static int self_check_in_pq(const struct ubi_device *ubi,
dump_stack();
return -EINVAL;
}
#ifndef CONFIG_MTD_UBI_FASTMAP
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
{
struct ubi_wl_entry *e;
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
ubi->free_count--;
ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
}
/**
* produce_free_peb - produce a free physical eraseblock.
* @ubi: UBI device description object
*
* This function tries to make a free PEB by means of synchronous execution of
* pending works. This may be needed if, for example the background thread is
* disabled. Returns zero in case of success and a negative error code in case
* of failure.
*/
static int produce_free_peb(struct ubi_device *ubi)
{
int err;
while (!ubi->free.rb_node && ubi->works_count) {
spin_unlock(&ubi->wl_lock);
dbg_wl("do one work synchronously");
err = do_work(ubi);
spin_lock(&ubi->wl_lock);
if (err)
return err;
}
return 0;
}
/**
* ubi_wl_get_peb - get a physical eraseblock.
* @ubi: UBI device description object
*
* This function returns a physical eraseblock in case of success and a
* negative error code in case of failure.
* Returns with ubi->fm_eba_sem held in read mode!
*/
int ubi_wl_get_peb(struct ubi_device *ubi)
{
int err;
struct ubi_wl_entry *e;
retry:
down_read(&ubi->fm_eba_sem);
spin_lock(&ubi->wl_lock);
if (!ubi->free.rb_node) {
if (ubi->works_count == 0) {
ubi_err(ubi, "no free eraseblocks");
ubi_assert(list_empty(&ubi->works));
spin_unlock(&ubi->wl_lock);
return -ENOSPC;
}
err = produce_free_peb(ubi);
if (err < 0) {
spin_unlock(&ubi->wl_lock);
return err;
}
spin_unlock(&ubi->wl_lock);
up_read(&ubi->fm_eba_sem);
goto retry;
}
e = wl_get_wle(ubi);
prot_queue_add(ubi, e);
spin_unlock(&ubi->wl_lock);
err = ubi_self_check_all_ff(ubi, e->pnum, ubi->vid_hdr_aloffset,
ubi->peb_size - ubi->vid_hdr_aloffset);
if (err) {
ubi_err(ubi, "new PEB %d does not contain all 0xFF bytes", e->pnum);
return err;
}
return e->pnum;
}
#else
#include "fastmap-wl.c"
#endif

28
drivers/mtd/ubi/wl.h Normal file
View File

@ -0,0 +1,28 @@
#ifndef UBI_WL_H
#define UBI_WL_H
#ifdef CONFIG_MTD_UBI_FASTMAP
static int anchor_pebs_avalible(struct rb_root *root);
static void update_fastmap_work_fn(struct work_struct *wrk);
static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
static void ubi_fastmap_close(struct ubi_device *ubi);
static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count)
{
/* Reserve enough LEBs to store two fastmaps. */
*count += (ubi->fm_size / ubi->leb_size) * 2;
INIT_WORK(&ubi->fm_work, update_fastmap_work_fn);
}
static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
struct ubi_wl_entry *e,
struct rb_root *root);
#else /* !CONFIG_MTD_UBI_FASTMAP */
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
static inline void ubi_fastmap_close(struct ubi_device *ubi) { }
static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { }
static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
struct ubi_wl_entry *e,
struct rb_root *root) {
return e;
}
#endif /* CONFIG_MTD_UBI_FASTMAP */
#endif /* UBI_WL_H */

2
fs/ubifs/budget.c
View File

@ -509,7 +509,7 @@ again:
c->bi.nospace_rp = 1;
smp_wmb();
} else
ubifs_err("cannot budget space, error %d", err);
ubifs_err(c, "cannot budget space, error %d", err);
return err;
}

12
fs/ubifs/commit.c
View File

@ -225,7 +225,7 @@ out_cancel:
out_up:
up_write(&c->commit_sem);
out:
ubifs_err("commit failed, error %d", err);
ubifs_err(c, "commit failed, error %d", err);
spin_lock(&c->cs_lock);
c->cmt_state = COMMIT_BROKEN;
wake_up(&c->cmt_wq);
@ -289,7 +289,7 @@ int ubifs_bg_thread(void *info)
int err;
struct ubifs_info *c = info;
ubifs_msg("background thread \"%s\" started, PID %d",
ubifs_msg(c, "background thread \"%s\" started, PID %d",
c->bgt_name, current->pid);
set_freezable();
@ -324,7 +324,7 @@ int ubifs_bg_thread(void *info)
cond_resched();
}
ubifs_msg("background thread \"%s\" stops", c->bgt_name);
ubifs_msg(c, "background thread \"%s\" stops", c->bgt_name);
return 0;
}
@ -712,13 +712,13 @@ out:
return 0;
out_dump:
ubifs_err("dumping index node (iip=%d)", i->iip);
ubifs_err(c, "dumping index node (iip=%d)", i->iip);
ubifs_dump_node(c, idx);
list_del(&i->list);
kfree(i);
if (!list_empty(&list)) {
i = list_entry(list.prev, struct idx_node, list);
ubifs_err("dumping parent index node");
ubifs_err(c, "dumping parent index node");
ubifs_dump_node(c, &i->idx);
}
out_free:
@ -727,7 +727,7 @@ out_free:
list_del(&i->list);
kfree(i);
}
ubifs_err("failed, error %d", err);
ubifs_err(c, "failed, error %d", err);
if (err > 0)
err = -EINVAL;
return err;

22
fs/ubifs/compress.c
View File

@ -92,8 +92,8 @@ struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
* Note, if the input buffer was not compressed, it is copied to the output
* buffer and %UBIFS_COMPR_NONE is returned in @compr_type.
*/
void ubifs_compress(const void *in_buf, int in_len, void *out_buf, int *out_len,
int *compr_type)
void ubifs_compress(const struct ubifs_info *c, const void *in_buf,
int in_len, void *out_buf, int *out_len, int *compr_type)
{
int err;
struct ubifs_compressor *compr = ubifs_compressors[*compr_type];
@ -112,9 +112,9 @@ void ubifs_compress(const void *in_buf, int in_len, void *out_buf, int *out_len,
if (compr->comp_mutex)
mutex_unlock(compr->comp_mutex);
if (unlikely(err)) {
ubifs_warn("cannot compress %d bytes, compressor %s, error %d, leave data uncompressed",
ubifs_warn(c, "cannot compress %d bytes, compressor %s, error %d, leave data uncompressed",
in_len, compr->name, err);
goto no_compr;
goto no_compr;
}
/*
@ -144,21 +144,21 @@ no_compr:
* The length of the uncompressed data is returned in @out_len. This functions
* returns %0 on success or a negative error code on failure.
*/
int ubifs_decompress(const void *in_buf, int in_len, void *out_buf,
int *out_len, int compr_type)
int ubifs_decompress(const struct ubifs_info *c, const void *in_buf,
int in_len, void *out_buf, int *out_len, int compr_type)
{
int err;
struct ubifs_compressor *compr;
if (unlikely(compr_type < 0 || compr_type >= UBIFS_COMPR_TYPES_CNT)) {
ubifs_err("invalid compression type %d", compr_type);
ubifs_err(c, "invalid compression type %d", compr_type);
return -EINVAL;
}
compr = ubifs_compressors[compr_type];
if (unlikely(!compr->capi_name)) {
ubifs_err("%s compression is not compiled in", compr->name);
ubifs_err(c, "%s compression is not compiled in", compr->name);
return -EINVAL;
}
@ -175,7 +175,7 @@ int ubifs_decompress(const void *in_buf, int in_len, void *out_buf,
if (compr->decomp_mutex)
mutex_unlock(compr->decomp_mutex);
if (err)
ubifs_err("cannot decompress %d bytes, compressor %s, error %d",
ubifs_err(c, "cannot decompress %d bytes, compressor %s, error %d",
in_len, compr->name, err);
return err;
@ -193,8 +193,8 @@ static int __init compr_init(struct ubifs_compressor *compr)
if (compr->capi_name) {
compr->cc = crypto_alloc_comp(compr->capi_name, 0, 0);
if (IS_ERR(compr->cc)) {
ubifs_err("cannot initialize compressor %s, error %ld",
compr->name, PTR_ERR(compr->cc));
pr_err("UBIFS error (pid %d): cannot initialize compressor %s, error %ld",
current->pid, compr->name, PTR_ERR(compr->cc));
return PTR_ERR(compr->cc);
}
}

186
fs/ubifs/debug.c
View File

@ -746,7 +746,7 @@ void ubifs_dump_lprops(struct ubifs_info *c)
for (lnum = c->main_first; lnum < c->leb_cnt; lnum++) {
err = ubifs_read_one_lp(c, lnum, &lp);
if (err) {
ubifs_err("cannot read lprops for LEB %d", lnum);
ubifs_err(c, "cannot read lprops for LEB %d", lnum);
continue;
}
@ -819,13 +819,13 @@ void ubifs_dump_leb(const struct ubifs_info *c, int lnum)
buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory for dumping LEB %d", lnum);
ubifs_err(c, "cannot allocate memory for dumping LEB %d", lnum);
return;
}
sleb = ubifs_scan(c, lnum, 0, buf, 0);
if (IS_ERR(sleb)) {
ubifs_err("scan error %d", (int)PTR_ERR(sleb));
ubifs_err(c, "scan error %d", (int)PTR_ERR(sleb));
goto out;
}
@ -1032,7 +1032,7 @@ int dbg_check_space_info(struct ubifs_info *c)
spin_unlock(&c->space_lock);
if (free != d->saved_free) {
ubifs_err("free space changed from %lld to %lld",
ubifs_err(c, "free space changed from %lld to %lld",
d->saved_free, free);
goto out;
}
@ -1040,15 +1040,15 @@ int dbg_check_space_info(struct ubifs_info *c)
return 0;
out:
ubifs_msg("saved lprops statistics dump");
ubifs_msg(c, "saved lprops statistics dump");
ubifs_dump_lstats(&d->saved_lst);
ubifs_msg("saved budgeting info dump");
ubifs_msg(c, "saved budgeting info dump");
ubifs_dump_budg(c, &d->saved_bi);
ubifs_msg("saved idx_gc_cnt %d", d->saved_idx_gc_cnt);
ubifs_msg("current lprops statistics dump");
ubifs_msg(c, "saved idx_gc_cnt %d", d->saved_idx_gc_cnt);
ubifs_msg(c, "current lprops statistics dump");
ubifs_get_lp_stats(c, &lst);
ubifs_dump_lstats(&lst);
ubifs_msg("current budgeting info dump");
ubifs_msg(c, "current budgeting info dump");
ubifs_dump_budg(c, &c->bi);
dump_stack();
return -EINVAL;
@ -1077,9 +1077,9 @@ int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode)
mutex_lock(&ui->ui_mutex);
spin_lock(&ui->ui_lock);
if (ui->ui_size != ui->synced_i_size && !ui->dirty) {
ubifs_err("ui_size is %lld, synced_i_size is %lld, but inode is clean",
ubifs_err(c, "ui_size is %lld, synced_i_size is %lld, but inode is clean",
ui->ui_size, ui->synced_i_size);
ubifs_err("i_ino %lu, i_mode %#x, i_size %lld", inode->i_ino,
ubifs_err(c, "i_ino %lu, i_mode %#x, i_size %lld", inode->i_ino,
inode->i_mode, i_size_read(inode));
dump_stack();
err = -EINVAL;
@ -1140,7 +1140,7 @@ int dbg_check_dir(struct ubifs_info *c, const struct inode *dir)
kfree(pdent);
if (i_size_read(dir) != size) {
ubifs_err("directory inode %lu has size %llu, but calculated size is %llu",
ubifs_err(c, "directory inode %lu has size %llu, but calculated size is %llu",
dir->i_ino, (unsigned long long)i_size_read(dir),
(unsigned long long)size);
ubifs_dump_inode(c, dir);
@ -1148,7 +1148,7 @@ int dbg_check_dir(struct ubifs_info *c, const struct inode *dir)
return -EINVAL;
}
if (dir->i_nlink != nlink) {
ubifs_err("directory inode %lu has nlink %u, but calculated nlink is %u",
ubifs_err(c, "directory inode %lu has nlink %u, but calculated nlink is %u",
dir->i_ino, dir->i_nlink, nlink);
ubifs_dump_inode(c, dir);
dump_stack();
@ -1207,10 +1207,10 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
err = 1;
key_read(c, &dent1->key, &key);
if (keys_cmp(c, &zbr1->key, &key)) {
ubifs_err("1st entry at %d:%d has key %s", zbr1->lnum,
ubifs_err(c, "1st entry at %d:%d has key %s", zbr1->lnum,
zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
DBG_KEY_BUF_LEN));
ubifs_err("but it should have key %s according to tnc",
ubifs_err(c, "but it should have key %s according to tnc",
dbg_snprintf_key(c, &zbr1->key, key_buf,
DBG_KEY_BUF_LEN));
ubifs_dump_node(c, dent1);
@ -1219,10 +1219,10 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
key_read(c, &dent2->key, &key);
if (keys_cmp(c, &zbr2->key, &key)) {
ubifs_err("2nd entry at %d:%d has key %s", zbr1->lnum,
ubifs_err(c, "2nd entry at %d:%d has key %s", zbr1->lnum,
zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
DBG_KEY_BUF_LEN));
ubifs_err("but it should have key %s according to tnc",
ubifs_err(c, "but it should have key %s according to tnc",
dbg_snprintf_key(c, &zbr2->key, key_buf,
DBG_KEY_BUF_LEN));
ubifs_dump_node(c, dent2);
@ -1238,14 +1238,14 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
goto out_free;
}
if (cmp == 0 && nlen1 == nlen2)
ubifs_err("2 xent/dent nodes with the same name");
ubifs_err(c, "2 xent/dent nodes with the same name");
else
ubifs_err("bad order of colliding key %s",
ubifs_err(c, "bad order of colliding key %s",
dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
ubifs_msg("first node at %d:%d\n", zbr1->lnum, zbr1->offs);
ubifs_msg(c, "first node at %d:%d\n", zbr1->lnum, zbr1->offs);
ubifs_dump_node(c, dent1);
ubifs_msg("second node at %d:%d\n", zbr2->lnum, zbr2->offs);
ubifs_msg(c, "second node at %d:%d\n", zbr2->lnum, zbr2->offs);
ubifs_dump_node(c, dent2);
out_free:
@ -1447,11 +1447,11 @@ static int dbg_check_znode(struct ubifs_info *c, struct ubifs_zbranch *zbr)
return 0;
out:
ubifs_err("failed, error %d", err);
ubifs_msg("dump of the znode");
ubifs_err(c, "failed, error %d", err);
ubifs_msg(c, "dump of the znode");
ubifs_dump_znode(c, znode);
if (zp) {
ubifs_msg("dump of the parent znode");
ubifs_msg(c, "dump of the parent znode");
ubifs_dump_znode(c, zp);
}
dump_stack();
@ -1518,9 +1518,9 @@ int dbg_check_tnc(struct ubifs_info *c, int extra)
if (err < 0)
return err;
if (err) {
ubifs_msg("first znode");
ubifs_msg(c, "first znode");
ubifs_dump_znode(c, prev);
ubifs_msg("second znode");
ubifs_msg(c, "second znode");
ubifs_dump_znode(c, znode);
return -EINVAL;
}
@ -1529,13 +1529,13 @@ int dbg_check_tnc(struct ubifs_info *c, int extra)
if (extra) {
if (clean_cnt != atomic_long_read(&c->clean_zn_cnt)) {
ubifs_err("incorrect clean_zn_cnt %ld, calculated %ld",
ubifs_err(c, "incorrect clean_zn_cnt %ld, calculated %ld",
atomic_long_read(&c->clean_zn_cnt),
clean_cnt);
return -EINVAL;
}
if (dirty_cnt != atomic_long_read(&c->dirty_zn_cnt)) {
ubifs_err("incorrect dirty_zn_cnt %ld, calculated %ld",
ubifs_err(c, "incorrect dirty_zn_cnt %ld, calculated %ld",
atomic_long_read(&c->dirty_zn_cnt),
dirty_cnt);
return -EINVAL;
@ -1608,7 +1608,7 @@ int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
if (znode_cb) {
err = znode_cb(c, znode, priv);
if (err) {
ubifs_err("znode checking function returned error %d",
ubifs_err(c, "znode checking function returned error %d",
err);
ubifs_dump_znode(c, znode);
goto out_dump;
@ -1619,7 +1619,7 @@ int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
zbr = &znode->zbranch[idx];
err = leaf_cb(c, zbr, priv);
if (err) {
ubifs_err("leaf checking function returned error %d, for leaf at LEB %d:%d",
ubifs_err(c, "leaf checking function returned error %d, for leaf at LEB %d:%d",
err, zbr->lnum, zbr->offs);
goto out_dump;
}
@ -1675,7 +1675,7 @@ out_dump:
zbr = &znode->parent->zbranch[znode->iip];
else
zbr = &c->zroot;
ubifs_msg("dump of znode at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_msg(c, "dump of znode at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_dump_znode(c, znode);
out_unlock:
mutex_unlock(&c->tnc_mutex);
@ -1722,12 +1722,12 @@ int dbg_check_idx_size(struct ubifs_info *c, long long idx_size)
err = dbg_walk_index(c, NULL, add_size, &calc);
if (err) {
ubifs_err("error %d while walking the index", err);
ubifs_err(c, "error %d while walking the index", err);
return err;
}
if (calc != idx_size) {
ubifs_err("index size check failed: calculated size is %lld, should be %lld",
ubifs_err(c, "index size check failed: calculated size is %lld, should be %lld",
calc, idx_size);
dump_stack();
return -EINVAL;
@ -1814,7 +1814,7 @@ static struct fsck_inode *add_inode(struct ubifs_info *c,
}
if (inum > c->highest_inum) {
ubifs_err("too high inode number, max. is %lu",
ubifs_err(c, "too high inode number, max. is %lu",
(unsigned long)c->highest_inum);
return ERR_PTR(-EINVAL);
}
@ -1921,17 +1921,17 @@ static struct fsck_inode *read_add_inode(struct ubifs_info *c,
ino_key_init(c, &key, inum);
err = ubifs_lookup_level0(c, &key, &znode, &n);
if (!err) {
ubifs_err("inode %lu not found in index", (unsigned long)inum);
ubifs_err(c, "inode %lu not found in index", (unsigned long)inum);
return ERR_PTR(-ENOENT);
} else if (err < 0) {
ubifs_err("error %d while looking up inode %lu",
ubifs_err(c, "error %d while looking up inode %lu",
err, (unsigned long)inum);
return ERR_PTR(err);
}
zbr = &znode->zbranch[n];
if (zbr->len < UBIFS_INO_NODE_SZ) {
ubifs_err("bad node %lu node length %d",
ubifs_err(c, "bad node %lu node length %d",
(unsigned long)inum, zbr->len);
return ERR_PTR(-EINVAL);
}
@ -1942,7 +1942,7 @@ static struct fsck_inode *read_add_inode(struct ubifs_info *c,
err = ubifs_tnc_read_node(c, zbr, ino);
if (err) {
ubifs_err("cannot read inode node at LEB %d:%d, error %d",
ubifs_err(c, "cannot read inode node at LEB %d:%d, error %d",
zbr->lnum, zbr->offs, err);
kfree(ino);
return ERR_PTR(err);
@ -1951,7 +1951,7 @@ static struct fsck_inode *read_add_inode(struct ubifs_info *c,
fscki = add_inode(c, fsckd, ino);
kfree(ino);
if (IS_ERR(fscki)) {
ubifs_err("error %ld while adding inode %lu node",
ubifs_err(c, "error %ld while adding inode %lu node",
PTR_ERR(fscki), (unsigned long)inum);
return fscki;
}
@ -1985,7 +1985,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
struct fsck_inode *fscki;
if (zbr->len < UBIFS_CH_SZ) {
ubifs_err("bad leaf length %d (LEB %d:%d)",
ubifs_err(c, "bad leaf length %d (LEB %d:%d)",
zbr->len, zbr->lnum, zbr->offs);
return -EINVAL;
}
@ -1996,7 +1996,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
err = ubifs_tnc_read_node(c, zbr, node);
if (err) {
ubifs_err("cannot read leaf node at LEB %d:%d, error %d",
ubifs_err(c, "cannot read leaf node at LEB %d:%d, error %d",
zbr->lnum, zbr->offs, err);
goto out_free;
}
@ -2006,7 +2006,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
fscki = add_inode(c, priv, node);
if (IS_ERR(fscki)) {
err = PTR_ERR(fscki);
ubifs_err("error %d while adding inode node", err);
ubifs_err(c, "error %d while adding inode node", err);
goto out_dump;
}
goto out;
@ -2014,7 +2014,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
if (type != UBIFS_DENT_KEY && type != UBIFS_XENT_KEY &&
type != UBIFS_DATA_KEY) {
ubifs_err("unexpected node type %d at LEB %d:%d",
ubifs_err(c, "unexpected node type %d at LEB %d:%d",
type, zbr->lnum, zbr->offs);
err = -EINVAL;
goto out_free;
@ -2022,7 +2022,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
ch = node;
if (le64_to_cpu(ch->sqnum) > c->max_sqnum) {
ubifs_err("too high sequence number, max. is %llu",
ubifs_err(c, "too high sequence number, max. is %llu",
c->max_sqnum);
err = -EINVAL;
goto out_dump;
@ -2042,7 +2042,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
fscki = read_add_inode(c, priv, inum);
if (IS_ERR(fscki)) {
err = PTR_ERR(fscki);
ubifs_err("error %d while processing data node and trying to find inode node %lu",
ubifs_err(c, "error %d while processing data node and trying to find inode node %lu",
err, (unsigned long)inum);
goto out_dump;
}
@ -2052,7 +2052,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
blk_offs <<= UBIFS_BLOCK_SHIFT;
blk_offs += le32_to_cpu(dn->size);
if (blk_offs > fscki->size) {
ubifs_err("data node at LEB %d:%d is not within inode size %lld",
ubifs_err(c, "data node at LEB %d:%d is not within inode size %lld",
zbr->lnum, zbr->offs, fscki->size);
err = -EINVAL;
goto out_dump;
@ -2076,7 +2076,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
fscki = read_add_inode(c, priv, inum);
if (IS_ERR(fscki)) {
err = PTR_ERR(fscki);
ubifs_err("error %d while processing entry node and trying to find inode node %lu",
ubifs_err(c, "error %d while processing entry node and trying to find inode node %lu",
err, (unsigned long)inum);
goto out_dump;
}
@ -2088,7 +2088,7 @@ static int check_leaf(struct ubifs_info *c, struct ubifs_zbranch *zbr,
fscki1 = read_add_inode(c, priv, inum);
if (IS_ERR(fscki1)) {
err = PTR_ERR(fscki1);
ubifs_err("error %d while processing entry node and trying to find parent inode node %lu",
ubifs_err(c, "error %d while processing entry node and trying to find parent inode node %lu",
err, (unsigned long)inum);
goto out_dump;
}
@ -2111,7 +2111,7 @@ out:
return 0;
out_dump:
ubifs_msg("dump of node at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_msg(c, "dump of node at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_dump_node(c, node);
out_free:
kfree(node);
@ -2162,52 +2162,52 @@ static int check_inodes(struct ubifs_info *c, struct fsck_data *fsckd)
*/
if (fscki->inum != UBIFS_ROOT_INO &&
fscki->references != 1) {
ubifs_err("directory inode %lu has %d direntries which refer it, but should be 1",
ubifs_err(c, "directory inode %lu has %d direntries which refer it, but should be 1",
(unsigned long)fscki->inum,
fscki->references);
goto out_dump;
}
if (fscki->inum == UBIFS_ROOT_INO &&
fscki->references != 0) {
ubifs_err("root inode %lu has non-zero (%d) direntries which refer it",
ubifs_err(c, "root inode %lu has non-zero (%d) direntries which refer it",
(unsigned long)fscki->inum,
fscki->references);
goto out_dump;
}
if (fscki->calc_sz != fscki->size) {
ubifs_err("directory inode %lu size is %lld, but calculated size is %lld",
ubifs_err(c, "directory inode %lu size is %lld, but calculated size is %lld",
(unsigned long)fscki->inum,
fscki->size, fscki->calc_sz);
goto out_dump;
}
if (fscki->calc_cnt != fscki->nlink) {
ubifs_err("directory inode %lu nlink is %d, but calculated nlink is %d",
ubifs_err(c, "directory inode %lu nlink is %d, but calculated nlink is %d",
(unsigned long)fscki->inum,
fscki->nlink, fscki->calc_cnt);
goto out_dump;
}
} else {
if (fscki->references != fscki->nlink) {
ubifs_err("inode %lu nlink is %d, but calculated nlink is %d",
ubifs_err(c, "inode %lu nlink is %d, but calculated nlink is %d",
(unsigned long)fscki->inum,
fscki->nlink, fscki->references);
goto out_dump;
}
}
if (fscki->xattr_sz != fscki->calc_xsz) {
ubifs_err("inode %lu has xattr size %u, but calculated size is %lld",
ubifs_err(c, "inode %lu has xattr size %u, but calculated size is %lld",
(unsigned long)fscki->inum, fscki->xattr_sz,
fscki->calc_xsz);
goto out_dump;
}
if (fscki->xattr_cnt != fscki->calc_xcnt) {
ubifs_err("inode %lu has %u xattrs, but calculated count is %lld",
ubifs_err(c, "inode %lu has %u xattrs, but calculated count is %lld",
(unsigned long)fscki->inum,
fscki->xattr_cnt, fscki->calc_xcnt);
goto out_dump;
}
if (fscki->xattr_nms != fscki->calc_xnms) {
ubifs_err("inode %lu has xattr names' size %u, but calculated names' size is %lld",
ubifs_err(c, "inode %lu has xattr names' size %u, but calculated names' size is %lld",
(unsigned long)fscki->inum, fscki->xattr_nms,
fscki->calc_xnms);
goto out_dump;
@ -2221,11 +2221,11 @@ out_dump:
ino_key_init(c, &key, fscki->inum);
err = ubifs_lookup_level0(c, &key, &znode, &n);
if (!err) {
ubifs_err("inode %lu not found in index",
ubifs_err(c, "inode %lu not found in index",
(unsigned long)fscki->inum);
return -ENOENT;
} else if (err < 0) {
ubifs_err("error %d while looking up inode %lu",
ubifs_err(c, "error %d while looking up inode %lu",
err, (unsigned long)fscki->inum);
return err;
}
@ -2237,13 +2237,13 @@ out_dump:
err = ubifs_tnc_read_node(c, zbr, ino);
if (err) {
ubifs_err("cannot read inode node at LEB %d:%d, error %d",
ubifs_err(c, "cannot read inode node at LEB %d:%d, error %d",
zbr->lnum, zbr->offs, err);
kfree(ino);
return err;
}
ubifs_msg("dump of the inode %lu sitting in LEB %d:%d",
ubifs_msg(c, "dump of the inode %lu sitting in LEB %d:%d",
(unsigned long)fscki->inum, zbr->lnum, zbr->offs);
ubifs_dump_node(c, ino);
kfree(ino);
@ -2284,7 +2284,7 @@ int dbg_check_filesystem(struct ubifs_info *c)
return 0;
out_free:
ubifs_err("file-system check failed with error %d", err);
ubifs_err(c, "file-system check failed with error %d", err);
dump_stack();
free_inodes(&fsckd);
return err;
@ -2315,12 +2315,12 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head)
sb = container_of(cur->next, struct ubifs_scan_node, list);
if (sa->type != UBIFS_DATA_NODE) {
ubifs_err("bad node type %d", sa->type);
ubifs_err(c, "bad node type %d", sa->type);
ubifs_dump_node(c, sa->node);
return -EINVAL;
}
if (sb->type != UBIFS_DATA_NODE) {
ubifs_err("bad node type %d", sb->type);
ubifs_err(c, "bad node type %d", sb->type);
ubifs_dump_node(c, sb->node);
return -EINVAL;
}
@ -2331,7 +2331,7 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head)
if (inuma < inumb)
continue;
if (inuma > inumb) {
ubifs_err("larger inum %lu goes before inum %lu",
ubifs_err(c, "larger inum %lu goes before inum %lu",
(unsigned long)inuma, (unsigned long)inumb);
goto error_dump;
}
@ -2340,11 +2340,11 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head)
blkb = key_block(c, &sb->key);
if (blka > blkb) {
ubifs_err("larger block %u goes before %u", blka, blkb);
ubifs_err(c, "larger block %u goes before %u", blka, blkb);
goto error_dump;
}
if (blka == blkb) {
ubifs_err("two data nodes for the same block");
ubifs_err(c, "two data nodes for the same block");
goto error_dump;
}
}
@ -2383,19 +2383,19 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
if (sa->type != UBIFS_INO_NODE && sa->type != UBIFS_DENT_NODE &&
sa->type != UBIFS_XENT_NODE) {
ubifs_err("bad node type %d", sa->type);
ubifs_err(c, "bad node type %d", sa->type);
ubifs_dump_node(c, sa->node);
return -EINVAL;
}
if (sa->type != UBIFS_INO_NODE && sa->type != UBIFS_DENT_NODE &&
sa->type != UBIFS_XENT_NODE) {
ubifs_err("bad node type %d", sb->type);
ubifs_err(c, "bad node type %d", sb->type);
ubifs_dump_node(c, sb->node);
return -EINVAL;
}
if (sa->type != UBIFS_INO_NODE && sb->type == UBIFS_INO_NODE) {
ubifs_err("non-inode node goes before inode node");
ubifs_err(c, "non-inode node goes before inode node");
goto error_dump;
}
@ -2405,7 +2405,7 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
if (sa->type == UBIFS_INO_NODE && sb->type == UBIFS_INO_NODE) {
/* Inode nodes are sorted in descending size order */
if (sa->len < sb->len) {
ubifs_err("smaller inode node goes first");
ubifs_err(c, "smaller inode node goes first");
goto error_dump;
}
continue;
@ -2421,7 +2421,7 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
if (inuma < inumb)
continue;
if (inuma > inumb) {
ubifs_err("larger inum %lu goes before inum %lu",
ubifs_err(c, "larger inum %lu goes before inum %lu",
(unsigned long)inuma, (unsigned long)inumb);
goto error_dump;
}
@ -2430,7 +2430,7 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
hashb = key_block(c, &sb->key);
if (hasha > hashb) {
ubifs_err("larger hash %u goes before %u",
ubifs_err(c, "larger hash %u goes before %u",
hasha, hashb);
goto error_dump;
}
@ -2439,9 +2439,9 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
return 0;
error_dump:
ubifs_msg("dumping first node");
ubifs_msg(c, "dumping first node");
ubifs_dump_node(c, sa->node);
ubifs_msg("dumping second node");
ubifs_msg(c, "dumping second node");
ubifs_dump_node(c, sb->node);
return -EINVAL;
return 0;
@ -2470,13 +2470,13 @@ static int power_cut_emulated(struct ubifs_info *c, int lnum, int write)
delay = prandom_u32() % 60000;
d->pc_timeout = jiffies;
d->pc_timeout += msecs_to_jiffies(delay);
ubifs_warn("failing after %lums", delay);
ubifs_warn(c, "failing after %lums", delay);
} else {
d->pc_delay = 2;
delay = prandom_u32() % 10000;
/* Fail within 10000 operations */
d->pc_cnt_max = delay;
ubifs_warn("failing after %lu calls", delay);
ubifs_warn(c, "failing after %lu calls", delay);
}
}
@ -2494,55 +2494,55 @@ static int power_cut_emulated(struct ubifs_info *c, int lnum, int write)
return 0;
if (chance(19, 20))
return 0;
ubifs_warn("failing in super block LEB %d", lnum);
ubifs_warn(c, "failing in super block LEB %d", lnum);
} else if (lnum == UBIFS_MST_LNUM || lnum == UBIFS_MST_LNUM + 1) {
if (chance(19, 20))
return 0;
ubifs_warn("failing in master LEB %d", lnum);
ubifs_warn(c, "failing in master LEB %d", lnum);
} else if (lnum >= UBIFS_LOG_LNUM && lnum <= c->log_last) {
if (write && chance(99, 100))
return 0;
if (chance(399, 400))
return 0;
ubifs_warn("failing in log LEB %d", lnum);
ubifs_warn(c, "failing in log LEB %d", lnum);
} else if (lnum >= c->lpt_first && lnum <= c->lpt_last) {
if (write && chance(7, 8))
return 0;
if (chance(19, 20))
return 0;
ubifs_warn("failing in LPT LEB %d", lnum);
ubifs_warn(c, "failing in LPT LEB %d", lnum);
} else if (lnum >= c->orph_first && lnum <= c->orph_last) {
if (write && chance(1, 2))
return 0;
if (chance(9, 10))
return 0;
ubifs_warn("failing in orphan LEB %d", lnum);
ubifs_warn(c, "failing in orphan LEB %d", lnum);
} else if (lnum == c->ihead_lnum) {
if (chance(99, 100))
return 0;
ubifs_warn("failing in index head LEB %d", lnum);
ubifs_warn(c, "failing in index head LEB %d", lnum);
} else if (c->jheads && lnum == c->jheads[GCHD].wbuf.lnum) {
if (chance(9, 10))
return 0;
ubifs_warn("failing in GC head LEB %d", lnum);
ubifs_warn(c, "failing in GC head LEB %d", lnum);
} else if (write && !RB_EMPTY_ROOT(&c->buds) &&
!ubifs_search_bud(c, lnum)) {
if (chance(19, 20))
return 0;
ubifs_warn("failing in non-bud LEB %d", lnum);
ubifs_warn(c, "failing in non-bud LEB %d", lnum);
} else if (c->cmt_state == COMMIT_RUNNING_BACKGROUND ||
c->cmt_state == COMMIT_RUNNING_REQUIRED) {
if (chance(999, 1000))
return 0;
ubifs_warn("failing in bud LEB %d commit running", lnum);
ubifs_warn(c, "failing in bud LEB %d commit running", lnum);
} else {
if (chance(9999, 10000))
return 0;
ubifs_warn("failing in bud LEB %d commit not running", lnum);
ubifs_warn(c, "failing in bud LEB %d commit not running", lnum);
}
d->pc_happened = 1;
ubifs_warn("========== Power cut emulated ==========");
ubifs_warn(c, "========== Power cut emulated ==========");
dump_stack();
return 1;
}
@ -2557,7 +2557,7 @@ static int corrupt_data(const struct ubifs_info *c, const void *buf,
/* Corruption span max to end of write unit */
to = min(len, ALIGN(from + 1, c->max_write_size));
ubifs_warn("filled bytes %u-%u with %s", from, to - 1,
ubifs_warn(c, "filled bytes %u-%u with %s", from, to - 1,
ffs ? "0xFFs" : "random data");
if (ffs)
@ -2579,7 +2579,7 @@ int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
failing = power_cut_emulated(c, lnum, 1);
if (failing) {
len = corrupt_data(c, buf, len);
ubifs_warn("actually write %d bytes to LEB %d:%d (the buffer was corrupted)",
ubifs_warn(c, "actually write %d bytes to LEB %d:%d (the buffer was corrupted)",
len, lnum, offs);
}
err = ubi_leb_write(c->ubi, lnum, buf, offs, len);
@ -2909,7 +2909,7 @@ out_remove:
debugfs_remove_recursive(d->dfs_dir);
out:
err = dent ? PTR_ERR(dent) : -ENODEV;
ubifs_err("cannot create \"%s\" debugfs file or directory, error %d\n",
ubifs_err(c, "cannot create \"%s\" debugfs file or directory, error %d\n",
fname, err);
return err;
}
@ -3063,8 +3063,8 @@ out_remove:
debugfs_remove_recursive(dfs_rootdir);
out:
err = dent ? PTR_ERR(dent) : -ENODEV;
ubifs_err("cannot create \"%s\" debugfs file or directory, error %d\n",
fname, err);
pr_err("UBIFS error (pid %d): cannot create \"%s\" debugfs file or directory, error %d\n",
current->pid, fname, err);
return err;
}

23
fs/ubifs/dir.c
View File

@ -146,12 +146,12 @@ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir,
if (c->highest_inum >= INUM_WARN_WATERMARK) {
if (c->highest_inum >= INUM_WATERMARK) {
spin_unlock(&c->cnt_lock);
ubifs_err("out of inode numbers");
ubifs_err(c, "out of inode numbers");
make_bad_inode(inode);
iput(inode);
return ERR_PTR(-EINVAL);
}
ubifs_warn("running out of inode numbers (current %lu, max %d)",
ubifs_warn(c, "running out of inode numbers (current %lu, max %u)",
(unsigned long)c->highest_inum, INUM_WATERMARK);
}
@ -222,7 +222,7 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,
* checking.
*/
err = PTR_ERR(inode);
ubifs_err("dead directory entry '%pd', error %d",
ubifs_err(c, "dead directory entry '%pd', error %d",
dentry, err);
ubifs_ro_mode(c, err);
goto out;
@ -272,7 +272,7 @@ static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
err = ubifs_init_security(dir, inode, &dentry->d_name);
if (err)
goto out_cancel;
goto out_inode;
mutex_lock(&dir_ui->ui_mutex);
dir->i_size += sz_change;
@ -292,11 +292,12 @@ out_cancel:
dir->i_size -= sz_change;
dir_ui->ui_size = dir->i_size;
mutex_unlock(&dir_ui->ui_mutex);
out_inode:
make_bad_inode(inode);
iput(inode);
out_budg:
ubifs_release_budget(c, &req);
ubifs_err("cannot create regular file, error %d", err);
ubifs_err(c, "cannot create regular file, error %d", err);
return err;
}
@ -449,7 +450,7 @@ static int ubifs_readdir(struct file *file, struct dir_context *ctx)
out:
if (err != -ENOENT) {
ubifs_err("cannot find next direntry, error %d", err);
ubifs_err(c, "cannot find next direntry, error %d", err);
return err;
}
@ -732,7 +733,7 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
err = ubifs_init_security(dir, inode, &dentry->d_name);
if (err)
goto out_cancel;
goto out_inode;
mutex_lock(&dir_ui->ui_mutex);
insert_inode_hash(inode);
@ -743,7 +744,7 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
dir->i_mtime = dir->i_ctime = inode->i_ctime;
err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 0, 0);
if (err) {
ubifs_err("cannot create directory, error %d", err);
ubifs_err(c, "cannot create directory, error %d", err);
goto out_cancel;
}
mutex_unlock(&dir_ui->ui_mutex);
@ -757,6 +758,7 @@ out_cancel:
dir_ui->ui_size = dir->i_size;
drop_nlink(dir);
mutex_unlock(&dir_ui->ui_mutex);
out_inode:
make_bad_inode(inode);
iput(inode);
out_budg:
@ -816,7 +818,7 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
err = ubifs_init_security(dir, inode, &dentry->d_name);
if (err)
goto out_cancel;
goto out_inode;
mutex_lock(&dir_ui->ui_mutex);
dir->i_size += sz_change;
@ -836,6 +838,7 @@ out_cancel:
dir->i_size -= sz_change;
dir_ui->ui_size = dir->i_size;
mutex_unlock(&dir_ui->ui_mutex);
out_inode:
make_bad_inode(inode);
iput(inode);
out_budg:
@ -896,7 +899,7 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry,
err = ubifs_init_security(dir, inode, &dentry->d_name);
if (err)
goto out_cancel;
goto out_inode;
mutex_lock(&dir_ui->ui_mutex);
dir->i_size += sz_change;

17
fs/ubifs/file.c
View File

@ -79,7 +79,7 @@ static int read_block(struct inode *inode, void *addr, unsigned int block,
dlen = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;
out_len = UBIFS_BLOCK_SIZE;
err = ubifs_decompress(&dn->data, dlen, addr, &out_len,
err = ubifs_decompress(c, &dn->data, dlen, addr, &out_len,
le16_to_cpu(dn->compr_type));
if (err || len != out_len)
goto dump;
@ -95,7 +95,7 @@ static int read_block(struct inode *inode, void *addr, unsigned int block,
return 0;
dump:
ubifs_err("bad data node (block %u, inode %lu)",
ubifs_err(c, "bad data node (block %u, inode %lu)",
block, inode->i_ino);
ubifs_dump_node(c, dn);
return -EINVAL;
@ -160,13 +160,14 @@ static int do_readpage(struct page *page)
addr += UBIFS_BLOCK_SIZE;
}
if (err) {
struct ubifs_info *c = inode->i_sb->s_fs_info;
if (err == -ENOENT) {
/* Not found, so it must be a hole */
SetPageChecked(page);
dbg_gen("hole");
goto out_free;
}
ubifs_err("cannot read page %lu of inode %lu, error %d",
ubifs_err(c, "cannot read page %lu of inode %lu, error %d",
page->index, inode->i_ino, err);
goto error;
}
@ -649,7 +650,7 @@ static int populate_page(struct ubifs_info *c, struct page *page,
dlen = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;
out_len = UBIFS_BLOCK_SIZE;
err = ubifs_decompress(&dn->data, dlen, addr, &out_len,
err = ubifs_decompress(c, &dn->data, dlen, addr, &out_len,
le16_to_cpu(dn->compr_type));
if (err || len != out_len)
goto out_err;
@ -697,7 +698,7 @@ out_err:
SetPageError(page);
flush_dcache_page(page);
kunmap(page);
ubifs_err("bad data node (block %u, inode %lu)",
ubifs_err(c, "bad data node (block %u, inode %lu)",
page_block, inode->i_ino);
return -EINVAL;
}
@ -801,7 +802,7 @@ out_free:
return ret;
out_warn:
ubifs_warn("ignoring error %d and skipping bulk-read", err);
ubifs_warn(c, "ignoring error %d and skipping bulk-read", err);
goto out_free;
out_bu_off:
@ -929,7 +930,7 @@ static int do_writepage(struct page *page, int len)
}
if (err) {
SetPageError(page);
ubifs_err("cannot write page %lu of inode %lu, error %d",
ubifs_err(c, "cannot write page %lu of inode %lu, error %d",
page->index, inode->i_ino, err);
ubifs_ro_mode(c, err);
}
@ -1484,7 +1485,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma,
err = ubifs_budget_space(c, &req);
if (unlikely(err)) {
if (err == -ENOSPC)
ubifs_warn("out of space for mmapped file (inode number %lu)",
ubifs_warn(c, "out of space for mmapped file (inode number %lu)",
inode->i_ino);
return VM_FAULT_SIGBUS;
}

40
fs/ubifs/io.c
View File

@ -85,7 +85,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
c->ro_error = 1;
c->no_chk_data_crc = 0;
c->vfs_sb->s_flags |= MS_RDONLY;
ubifs_warn("switched to read-only mode, error %d", err);
ubifs_warn(c, "switched to read-only mode, error %d", err);
dump_stack();
}
}
@ -107,7 +107,7 @@ int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,
* @even_ebadmsg is true.
*/
if (err && (err != -EBADMSG || even_ebadmsg)) {
ubifs_err("reading %d bytes from LEB %d:%d failed, error %d",
ubifs_err(c, "reading %d bytes from LEB %d:%d failed, error %d",
len, lnum, offs, err);
dump_stack();
}
@ -127,7 +127,7 @@ int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,
else
err = dbg_leb_write(c, lnum, buf, offs, len);
if (err) {
ubifs_err("writing %d bytes to LEB %d:%d failed, error %d",
ubifs_err(c, "writing %d bytes to LEB %d:%d failed, error %d",
len, lnum, offs, err);
ubifs_ro_mode(c, err);
dump_stack();
@ -147,7 +147,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len)
else
err = dbg_leb_change(c, lnum, buf, len);
if (err) {
ubifs_err("changing %d bytes in LEB %d failed, error %d",
ubifs_err(c, "changing %d bytes in LEB %d failed, error %d",
len, lnum, err);
ubifs_ro_mode(c, err);
dump_stack();
@ -167,7 +167,7 @@ int ubifs_leb_unmap(struct ubifs_info *c, int lnum)
else
err = dbg_leb_unmap(c, lnum);
if (err) {
ubifs_err("unmap LEB %d failed, error %d", lnum, err);
ubifs_err(c, "unmap LEB %d failed, error %d", lnum, err);
ubifs_ro_mode(c, err);
dump_stack();
}
@ -186,7 +186,7 @@ int ubifs_leb_map(struct ubifs_info *c, int lnum)
else
err = dbg_leb_map(c, lnum);
if (err) {
ubifs_err("mapping LEB %d failed, error %d", lnum, err);
ubifs_err(c, "mapping LEB %d failed, error %d", lnum, err);
ubifs_ro_mode(c, err);
dump_stack();
}
@ -199,7 +199,7 @@ int ubifs_is_mapped(const struct ubifs_info *c, int lnum)
err = ubi_is_mapped(c->ubi, lnum);
if (err < 0) {
ubifs_err("ubi_is_mapped failed for LEB %d, error %d",
ubifs_err(c, "ubi_is_mapped failed for LEB %d, error %d",
lnum, err);
dump_stack();
}
@ -247,7 +247,7 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
magic = le32_to_cpu(ch->magic);
if (magic != UBIFS_NODE_MAGIC) {
if (!quiet)
ubifs_err("bad magic %#08x, expected %#08x",
ubifs_err(c, "bad magic %#08x, expected %#08x",
magic, UBIFS_NODE_MAGIC);
err = -EUCLEAN;
goto out;
@ -256,7 +256,7 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
type = ch->node_type;
if (type < 0 || type >= UBIFS_NODE_TYPES_CNT) {
if (!quiet)
ubifs_err("bad node type %d", type);
ubifs_err(c, "bad node type %d", type);
goto out;
}
@ -279,7 +279,7 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
node_crc = le32_to_cpu(ch->crc);
if (crc != node_crc) {
if (!quiet)
ubifs_err("bad CRC: calculated %#08x, read %#08x",
ubifs_err(c, "bad CRC: calculated %#08x, read %#08x",
crc, node_crc);
err = -EUCLEAN;
goto out;
@ -289,10 +289,10 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
out_len:
if (!quiet)
ubifs_err("bad node length %d", node_len);
ubifs_err(c, "bad node length %d", node_len);
out:
if (!quiet) {
ubifs_err("bad node at LEB %d:%d", lnum, offs);
ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);
ubifs_dump_node(c, buf);
dump_stack();
}
@ -355,11 +355,11 @@ static unsigned long long next_sqnum(struct ubifs_info *c)
if (unlikely(sqnum >= SQNUM_WARN_WATERMARK)) {
if (sqnum >= SQNUM_WATERMARK) {
ubifs_err("sequence number overflow %llu, end of life",
ubifs_err(c, "sequence number overflow %llu, end of life",
sqnum);
ubifs_ro_mode(c, -EINVAL);
}
ubifs_warn("running out of sequence numbers, end of life soon");
ubifs_warn(c, "running out of sequence numbers, end of life soon");
}
return sqnum;
@ -636,7 +636,7 @@ int ubifs_bg_wbufs_sync(struct ubifs_info *c)
err = ubifs_wbuf_sync_nolock(wbuf);
mutex_unlock(&wbuf->io_mutex);
if (err) {
ubifs_err("cannot sync write-buffer, error %d", err);
ubifs_err(c, "cannot sync write-buffer, error %d", err);
ubifs_ro_mode(c, err);
goto out_timers;
}
@ -833,7 +833,7 @@ exit:
return 0;
out:
ubifs_err("cannot write %d bytes to LEB %d:%d, error %d",
ubifs_err(c, "cannot write %d bytes to LEB %d:%d, error %d",
len, wbuf->lnum, wbuf->offs, err);
ubifs_dump_node(c, buf);
dump_stack();
@ -932,27 +932,27 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
}
if (type != ch->node_type) {
ubifs_err("bad node type (%d but expected %d)",
ubifs_err(c, "bad node type (%d but expected %d)",
ch->node_type, type);
goto out;
}
err = ubifs_check_node(c, buf, lnum, offs, 0, 0);
if (err) {
ubifs_err("expected node type %d", type);
ubifs_err(c, "expected node type %d", type);
return err;
}
rlen = le32_to_cpu(ch->len);
if (rlen != len) {
ubifs_err("bad node length %d, expected %d", rlen, len);
ubifs_err(c, "bad node length %d, expected %d", rlen, len);
goto out;
}
return 0;
out:
ubifs_err("bad node at LEB %d:%d", lnum, offs);
ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);
ubifs_dump_node(c, buf);
dump_stack();
return -EINVAL;

2
fs/ubifs/ioctl.c
View File

@ -138,7 +138,7 @@ static int setflags(struct inode *inode, int flags)
return err;
out_unlock:
ubifs_err("can't modify inode %lu attributes", inode->i_ino);
ubifs_err(c, "can't modify inode %lu attributes", inode->i_ino);
mutex_unlock(&ui->ui_mutex);
ubifs_release_budget(c, &req);
return err;

17
fs/ubifs/journal.c
View File

@ -363,11 +363,11 @@ again:
* This should not happen unless the journal size limitations
* are too tough.
*/
ubifs_err("stuck in space allocation");
ubifs_err(c, "stuck in space allocation");
err = -ENOSPC;
goto out;
} else if (cmt_retries > 32)
ubifs_warn("too many space allocation re-tries (%d)",
ubifs_warn(c, "too many space allocation re-tries (%d)",
cmt_retries);
dbg_jnl("-EAGAIN, commit and retry (retried %d times)",
@ -380,7 +380,7 @@ again:
goto again;
out:
ubifs_err("cannot reserve %d bytes in jhead %d, error %d",
ubifs_err(c, "cannot reserve %d bytes in jhead %d, error %d",
len, jhead, err);
if (err == -ENOSPC) {
/* This are some budgeting problems, print useful information */
@ -731,7 +731,7 @@ int ubifs_jnl_write_data(struct ubifs_info *c, const struct inode *inode,
compr_type = ui->compr_type;
out_len = dlen - UBIFS_DATA_NODE_SZ;
ubifs_compress(buf, len, &data->data, &out_len, &compr_type);
ubifs_compress(c, buf, len, &data->data, &out_len, &compr_type);
ubifs_assert(out_len <= UBIFS_BLOCK_SIZE);
dlen = UBIFS_DATA_NODE_SZ + out_len;
@ -1100,7 +1100,8 @@ out_free:
* This function is used when an inode is truncated and the last data node of
* the inode has to be re-compressed and re-written.
*/
static int recomp_data_node(struct ubifs_data_node *dn, int *new_len)
static int recomp_data_node(const struct ubifs_info *c,
struct ubifs_data_node *dn, int *new_len)
{
void *buf;
int err, len, compr_type, out_len;
@ -1112,11 +1113,11 @@ static int recomp_data_node(struct ubifs_data_node *dn, int *new_len)
len = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;
compr_type = le16_to_cpu(dn->compr_type);
err = ubifs_decompress(&dn->data, len, buf, &out_len, compr_type);
err = ubifs_decompress(c, &dn->data, len, buf, &out_len, compr_type);
if (err)
goto out;
ubifs_compress(buf, *new_len, &dn->data, &out_len, &compr_type);
ubifs_compress(c, buf, *new_len, &dn->data, &out_len, &compr_type);
ubifs_assert(out_len <= UBIFS_BLOCK_SIZE);
dn->compr_type = cpu_to_le16(compr_type);
dn->size = cpu_to_le32(*new_len);
@ -1191,7 +1192,7 @@ int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode,
int compr_type = le16_to_cpu(dn->compr_type);
if (compr_type != UBIFS_COMPR_NONE) {
err = recomp_data_node(dn, &dlen);
err = recomp_data_node(c, dn, &dlen);
if (err)
goto out_free;
} else {

4
fs/ubifs/log.c
View File

@ -696,7 +696,7 @@ int ubifs_consolidate_log(struct ubifs_info *c)
destroy_done_tree(&done_tree);
vfree(buf);
if (write_lnum == c->lhead_lnum) {
ubifs_err("log is too full");
ubifs_err(c, "log is too full");
return -EINVAL;
}
/* Unmap remaining LEBs */
@ -743,7 +743,7 @@ static int dbg_check_bud_bytes(struct ubifs_info *c)
bud_bytes += c->leb_size - bud->start;
if (c->bud_bytes != bud_bytes) {
ubifs_err("bad bud_bytes %lld, calculated %lld",
ubifs_err(c, "bad bud_bytes %lld, calculated %lld",
c->bud_bytes, bud_bytes);
err = -EINVAL;
}

62
fs/ubifs/lprops.c
View File

@ -682,7 +682,7 @@ int ubifs_change_one_lp(struct ubifs_info *c, int lnum, int free, int dirty,
out:
ubifs_release_lprops(c);
if (err)
ubifs_err("cannot change properties of LEB %d, error %d",
ubifs_err(c, "cannot change properties of LEB %d, error %d",
lnum, err);
return err;
}
@ -721,7 +721,7 @@ int ubifs_update_one_lp(struct ubifs_info *c, int lnum, int free, int dirty,
out:
ubifs_release_lprops(c);
if (err)
ubifs_err("cannot update properties of LEB %d, error %d",
ubifs_err(c, "cannot update properties of LEB %d, error %d",
lnum, err);
return err;
}
@ -746,7 +746,7 @@ int ubifs_read_one_lp(struct ubifs_info *c, int lnum, struct ubifs_lprops *lp)
lpp = ubifs_lpt_lookup(c, lnum);
if (IS_ERR(lpp)) {
err = PTR_ERR(lpp);
ubifs_err("cannot read properties of LEB %d, error %d",
ubifs_err(c, "cannot read properties of LEB %d, error %d",
lnum, err);
goto out;
}
@ -873,13 +873,13 @@ int dbg_check_cats(struct ubifs_info *c)
list_for_each_entry(lprops, &c->empty_list, list) {
if (lprops->free != c->leb_size) {
ubifs_err("non-empty LEB %d on empty list (free %d dirty %d flags %d)",
ubifs_err(c, "non-empty LEB %d on empty list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
}
if (lprops->flags & LPROPS_TAKEN) {
ubifs_err("taken LEB %d on empty list (free %d dirty %d flags %d)",
ubifs_err(c, "taken LEB %d on empty list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
@ -889,13 +889,13 @@ int dbg_check_cats(struct ubifs_info *c)
i = 0;
list_for_each_entry(lprops, &c->freeable_list, list) {
if (lprops->free + lprops->dirty != c->leb_size) {
ubifs_err("non-freeable LEB %d on freeable list (free %d dirty %d flags %d)",
ubifs_err(c, "non-freeable LEB %d on freeable list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
}
if (lprops->flags & LPROPS_TAKEN) {
ubifs_err("taken LEB %d on freeable list (free %d dirty %d flags %d)",
ubifs_err(c, "taken LEB %d on freeable list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
@ -903,7 +903,7 @@ int dbg_check_cats(struct ubifs_info *c)
i += 1;
}
if (i != c->freeable_cnt) {
ubifs_err("freeable list count %d expected %d", i,
ubifs_err(c, "freeable list count %d expected %d", i,
c->freeable_cnt);
return -EINVAL;
}
@ -912,26 +912,26 @@ int dbg_check_cats(struct ubifs_info *c)
list_for_each(pos, &c->idx_gc)
i += 1;
if (i != c->idx_gc_cnt) {
ubifs_err("idx_gc list count %d expected %d", i,
ubifs_err(c, "idx_gc list count %d expected %d", i,
c->idx_gc_cnt);
return -EINVAL;
}
list_for_each_entry(lprops, &c->frdi_idx_list, list) {
if (lprops->free + lprops->dirty != c->leb_size) {
ubifs_err("non-freeable LEB %d on frdi_idx list (free %d dirty %d flags %d)",
ubifs_err(c, "non-freeable LEB %d on frdi_idx list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
}
if (lprops->flags & LPROPS_TAKEN) {
ubifs_err("taken LEB %d on frdi_idx list (free %d dirty %d flags %d)",
ubifs_err(c, "taken LEB %d on frdi_idx list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
}
if (!(lprops->flags & LPROPS_INDEX)) {
ubifs_err("non-index LEB %d on frdi_idx list (free %d dirty %d flags %d)",
ubifs_err(c, "non-index LEB %d on frdi_idx list (free %d dirty %d flags %d)",
lprops->lnum, lprops->free, lprops->dirty,
lprops->flags);
return -EINVAL;
@ -944,15 +944,15 @@ int dbg_check_cats(struct ubifs_info *c)
for (i = 0; i < heap->cnt; i++) {
lprops = heap->arr[i];
if (!lprops) {
ubifs_err("null ptr in LPT heap cat %d", cat);
ubifs_err(c, "null ptr in LPT heap cat %d", cat);
return -EINVAL;
}
if (lprops->hpos != i) {
ubifs_err("bad ptr in LPT heap cat %d", cat);
ubifs_err(c, "bad ptr in LPT heap cat %d", cat);
return -EINVAL;
}
if (lprops->flags & LPROPS_TAKEN) {
ubifs_err("taken LEB in LPT heap cat %d", cat);
ubifs_err(c, "taken LEB in LPT heap cat %d", cat);
return -EINVAL;
}
}
@ -988,7 +988,7 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
goto out;
}
if (lprops != lp) {
ubifs_err("lprops %zx lp %zx lprops->lnum %d lp->lnum %d",
ubifs_err(c, "lprops %zx lp %zx lprops->lnum %d lp->lnum %d",
(size_t)lprops, (size_t)lp, lprops->lnum,
lp->lnum);
err = 4;
@ -1008,7 +1008,7 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
}
out:
if (err) {
ubifs_err("failed cat %d hpos %d err %d", cat, i, err);
ubifs_err(c, "failed cat %d hpos %d err %d", cat, i, err);
dump_stack();
ubifs_dump_heap(c, heap, cat);
}
@ -1039,7 +1039,7 @@ static int scan_check_cb(struct ubifs_info *c,
if (cat != LPROPS_UNCAT) {
cat = ubifs_categorize_lprops(c, lp);
if (cat != (lp->flags & LPROPS_CAT_MASK)) {
ubifs_err("bad LEB category %d expected %d",
ubifs_err(c, "bad LEB category %d expected %d",
(lp->flags & LPROPS_CAT_MASK), cat);
return -EINVAL;
}
@ -1074,7 +1074,7 @@ static int scan_check_cb(struct ubifs_info *c,
}
}
if (!found) {
ubifs_err("bad LPT list (category %d)", cat);
ubifs_err(c, "bad LPT list (category %d)", cat);
return -EINVAL;
}
}
@ -1086,7 +1086,7 @@ static int scan_check_cb(struct ubifs_info *c,
if ((lp->hpos != -1 && heap->arr[lp->hpos]->lnum != lnum) ||
lp != heap->arr[lp->hpos]) {
ubifs_err("bad LPT heap (category %d)", cat);
ubifs_err(c, "bad LPT heap (category %d)", cat);
return -EINVAL;
}
}
@ -1133,7 +1133,7 @@ static int scan_check_cb(struct ubifs_info *c,
is_idx = (snod->type == UBIFS_IDX_NODE) ? 1 : 0;
if (is_idx && snod->type != UBIFS_IDX_NODE) {
ubifs_err("indexing node in data LEB %d:%d",
ubifs_err(c, "indexing node in data LEB %d:%d",
lnum, snod->offs);
goto out_destroy;
}
@ -1159,7 +1159,7 @@ static int scan_check_cb(struct ubifs_info *c,
if (free > c->leb_size || free < 0 || dirty > c->leb_size ||
dirty < 0) {
ubifs_err("bad calculated accounting for LEB %d: free %d, dirty %d",
ubifs_err(c, "bad calculated accounting for LEB %d: free %d, dirty %d",
lnum, free, dirty);
goto out_destroy;
}
@ -1206,13 +1206,13 @@ static int scan_check_cb(struct ubifs_info *c,
/* Free but not unmapped LEB, it's fine */
is_idx = 0;
else {
ubifs_err("indexing node without indexing flag");
ubifs_err(c, "indexing node without indexing flag");
goto out_print;
}
}
if (!is_idx && (lp->flags & LPROPS_INDEX)) {
ubifs_err("data node with indexing flag");
ubifs_err(c, "data node with indexing flag");
goto out_print;
}
@ -1241,7 +1241,7 @@ static int scan_check_cb(struct ubifs_info *c,
return LPT_SCAN_CONTINUE;
out_print:
ubifs_err("bad accounting of LEB %d: free %d, dirty %d flags %#x, should be free %d, dirty %d",
ubifs_err(c, "bad accounting of LEB %d: free %d, dirty %d flags %#x, should be free %d, dirty %d",
lnum, lp->free, lp->dirty, lp->flags, free, dirty);
ubifs_dump_leb(c, lnum);
out_destroy:
@ -1293,11 +1293,11 @@ int dbg_check_lprops(struct ubifs_info *c)
lst.total_free != c->lst.total_free ||
lst.total_dirty != c->lst.total_dirty ||
lst.total_used != c->lst.total_used) {
ubifs_err("bad overall accounting");
ubifs_err("calculated: empty_lebs %d, idx_lebs %d, total_free %lld, total_dirty %lld, total_used %lld",
ubifs_err(c, "bad overall accounting");
ubifs_err(c, "calculated: empty_lebs %d, idx_lebs %d, total_free %lld, total_dirty %lld, total_used %lld",
lst.empty_lebs, lst.idx_lebs, lst.total_free,
lst.total_dirty, lst.total_used);
ubifs_err("read from lprops: empty_lebs %d, idx_lebs %d, total_free %lld, total_dirty %lld, total_used %lld",
ubifs_err(c, "read from lprops: empty_lebs %d, idx_lebs %d, total_free %lld, total_dirty %lld, total_used %lld",
c->lst.empty_lebs, c->lst.idx_lebs, c->lst.total_free,
c->lst.total_dirty, c->lst.total_used);
err = -EINVAL;
@ -1306,10 +1306,10 @@ int dbg_check_lprops(struct ubifs_info *c)
if (lst.total_dead != c->lst.total_dead ||
lst.total_dark != c->lst.total_dark) {
ubifs_err("bad dead/dark space accounting");
ubifs_err("calculated: total_dead %lld, total_dark %lld",
ubifs_err(c, "bad dead/dark space accounting");
ubifs_err(c, "calculated: total_dead %lld, total_dark %lld",
lst.total_dead, lst.total_dark);
ubifs_err("read from lprops: total_dead %lld, total_dark %lld",
ubifs_err(c, "read from lprops: total_dead %lld, total_dark %lld",
c->lst.total_dead, c->lst.total_dark);
err = -EINVAL;
goto out;

59
fs/ubifs/lpt.c
View File

@ -145,13 +145,13 @@ int ubifs_calc_lpt_geom(struct ubifs_info *c)
sz = c->lpt_sz * 2; /* Must have at least 2 times the size */
lebs_needed = div_u64(sz + c->leb_size - 1, c->leb_size);
if (lebs_needed > c->lpt_lebs) {
ubifs_err("too few LPT LEBs");
ubifs_err(c, "too few LPT LEBs");
return -EINVAL;
}
/* Verify that ltab fits in a single LEB (since ltab is a single node */
if (c->ltab_sz > c->leb_size) {
ubifs_err("LPT ltab too big");
ubifs_err(c, "LPT ltab too big");
return -EINVAL;
}
@ -213,7 +213,7 @@ static int calc_dflt_lpt_geom(struct ubifs_info *c, int *main_lebs,
continue;
}
if (c->ltab_sz > c->leb_size) {
ubifs_err("LPT ltab too big");
ubifs_err(c, "LPT ltab too big");
return -EINVAL;
}
*main_lebs = c->main_lebs;
@ -911,7 +911,7 @@ static void replace_cats(struct ubifs_info *c, struct ubifs_pnode *old_pnode,
*
* This function returns %0 on success and a negative error code on failure.
*/
static int check_lpt_crc(void *buf, int len)
static int check_lpt_crc(const struct ubifs_info *c, void *buf, int len)
{
int pos = 0;
uint8_t *addr = buf;
@ -921,8 +921,8 @@ static int check_lpt_crc(void *buf, int len)
calc_crc = crc16(-1, buf + UBIFS_LPT_CRC_BYTES,
len - UBIFS_LPT_CRC_BYTES);
if (crc != calc_crc) {
ubifs_err("invalid crc in LPT node: crc %hx calc %hx", crc,
calc_crc);
ubifs_err(c, "invalid crc in LPT node: crc %hx calc %hx",
crc, calc_crc);
dump_stack();
return -EINVAL;
}
@ -938,14 +938,15 @@ static int check_lpt_crc(void *buf, int len)
*
* This function returns %0 on success and a negative error code on failure.
*/
static int check_lpt_type(uint8_t **addr, int *pos, int type)
static int check_lpt_type(const struct ubifs_info *c, uint8_t **addr,
int *pos, int type)
{
int node_type;
node_type = ubifs_unpack_bits(addr, pos, UBIFS_LPT_TYPE_BITS);
if (node_type != type) {
ubifs_err("invalid type (%d) in LPT node type %d", node_type,
type);
ubifs_err(c, "invalid type (%d) in LPT node type %d",
node_type, type);
dump_stack();
return -EINVAL;
}
@ -966,7 +967,7 @@ static int unpack_pnode(const struct ubifs_info *c, void *buf,
uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
int i, pos = 0, err;
err = check_lpt_type(&addr, &pos, UBIFS_LPT_PNODE);
err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_PNODE);
if (err)
return err;
if (c->big_lpt)
@ -985,7 +986,7 @@ static int unpack_pnode(const struct ubifs_info *c, void *buf,
lprops->flags = 0;
lprops->flags |= ubifs_categorize_lprops(c, lprops);
}
err = check_lpt_crc(buf, c->pnode_sz);
err = check_lpt_crc(c, buf, c->pnode_sz);
return err;
}
@ -1003,7 +1004,7 @@ int ubifs_unpack_nnode(const struct ubifs_info *c, void *buf,
uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
int i, pos = 0, err;
err = check_lpt_type(&addr, &pos, UBIFS_LPT_NNODE);
err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_NNODE);
if (err)
return err;
if (c->big_lpt)
@ -1019,7 +1020,7 @@ int ubifs_unpack_nnode(const struct ubifs_info *c, void *buf,
nnode->nbranch[i].offs = ubifs_unpack_bits(&addr, &pos,
c->lpt_offs_bits);
}
err = check_lpt_crc(buf, c->nnode_sz);
err = check_lpt_crc(c, buf, c->nnode_sz);
return err;
}
@ -1035,7 +1036,7 @@ static int unpack_ltab(const struct ubifs_info *c, void *buf)
uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
int i, pos = 0, err;
err = check_lpt_type(&addr, &pos, UBIFS_LPT_LTAB);
err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_LTAB);
if (err)
return err;
for (i = 0; i < c->lpt_lebs; i++) {
@ -1051,7 +1052,7 @@ static int unpack_ltab(const struct ubifs_info *c, void *buf)
c->ltab[i].tgc = 0;
c->ltab[i].cmt = 0;
}
err = check_lpt_crc(buf, c->ltab_sz);
err = check_lpt_crc(c, buf, c->ltab_sz);
return err;
}
@ -1067,7 +1068,7 @@ static int unpack_lsave(const struct ubifs_info *c, void *buf)
uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
int i, pos = 0, err;
err = check_lpt_type(&addr, &pos, UBIFS_LPT_LSAVE);
err = check_lpt_type(c, &addr, &pos, UBIFS_LPT_LSAVE);
if (err)
return err;
for (i = 0; i < c->lsave_cnt; i++) {
@ -1077,7 +1078,7 @@ static int unpack_lsave(const struct ubifs_info *c, void *buf)
return -EINVAL;
c->lsave[i] = lnum;
}
err = check_lpt_crc(buf, c->lsave_sz);
err = check_lpt_crc(c, buf, c->lsave_sz);
return err;
}
@ -1243,7 +1244,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
return 0;
out:
ubifs_err("error %d reading nnode at %d:%d", err, lnum, offs);
ubifs_err(c, "error %d reading nnode at %d:%d", err, lnum, offs);
dump_stack();
kfree(nnode);
return err;
@ -1308,10 +1309,10 @@ static int read_pnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
return 0;
out:
ubifs_err("error %d reading pnode at %d:%d", err, lnum, offs);
ubifs_err(c, "error %d reading pnode at %d:%d", err, lnum, offs);
ubifs_dump_pnode(c, pnode, parent, iip);
dump_stack();
ubifs_err("calc num: %d", calc_pnode_num_from_parent(c, parent, iip));
ubifs_err(c, "calc num: %d", calc_pnode_num_from_parent(c, parent, iip));
kfree(pnode);
return err;
}
@ -2095,7 +2096,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
int i;
if (pnode->num != col) {
ubifs_err("pnode num %d expected %d parent num %d iip %d",
ubifs_err(c, "pnode num %d expected %d parent num %d iip %d",
pnode->num, col, pnode->parent->num, pnode->iip);
return -EINVAL;
}
@ -2110,13 +2111,13 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
if (lnum >= c->leb_cnt)
continue;
if (lprops->lnum != lnum) {
ubifs_err("bad LEB number %d expected %d",
ubifs_err(c, "bad LEB number %d expected %d",
lprops->lnum, lnum);
return -EINVAL;
}
if (lprops->flags & LPROPS_TAKEN) {
if (cat != LPROPS_UNCAT) {
ubifs_err("LEB %d taken but not uncat %d",
ubifs_err(c, "LEB %d taken but not uncat %d",
lprops->lnum, cat);
return -EINVAL;
}
@ -2129,7 +2130,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
case LPROPS_FRDI_IDX:
break;
default:
ubifs_err("LEB %d index but cat %d",
ubifs_err(c, "LEB %d index but cat %d",
lprops->lnum, cat);
return -EINVAL;
}
@ -2142,7 +2143,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
case LPROPS_FREEABLE:
break;
default:
ubifs_err("LEB %d not index but cat %d",
ubifs_err(c, "LEB %d not index but cat %d",
lprops->lnum, cat);
return -EINVAL;
}
@ -2183,14 +2184,14 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
break;
}
if (!found) {
ubifs_err("LEB %d cat %d not found in cat heap/list",
ubifs_err(c, "LEB %d cat %d not found in cat heap/list",
lprops->lnum, cat);
return -EINVAL;
}
switch (cat) {
case LPROPS_EMPTY:
if (lprops->free != c->leb_size) {
ubifs_err("LEB %d cat %d free %d dirty %d",
ubifs_err(c, "LEB %d cat %d free %d dirty %d",
lprops->lnum, cat, lprops->free,
lprops->dirty);
return -EINVAL;
@ -2199,7 +2200,7 @@ static int dbg_chk_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
case LPROPS_FREEABLE:
case LPROPS_FRDI_IDX:
if (lprops->free + lprops->dirty != c->leb_size) {
ubifs_err("LEB %d cat %d free %d dirty %d",
ubifs_err(c, "LEB %d cat %d free %d dirty %d",
lprops->lnum, cat, lprops->free,
lprops->dirty);
return -EINVAL;
@ -2236,7 +2237,7 @@ int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
/* cnode is a nnode */
num = calc_nnode_num(row, col);
if (cnode->num != num) {
ubifs_err("nnode num %d expected %d parent num %d iip %d",
ubifs_err(c, "nnode num %d expected %d parent num %d iip %d",
cnode->num, num,
(nnode ? nnode->num : 0), cnode->iip);
return -EINVAL;

34
fs/ubifs/lpt_commit.c
View File

@ -319,7 +319,7 @@ static int layout_cnodes(struct ubifs_info *c)
return 0;
no_space:
ubifs_err("LPT out of space at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
ubifs_err(c, "LPT out of space at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
lnum, offs, len, done_ltab, done_lsave);
ubifs_dump_lpt_info(c);
ubifs_dump_lpt_lebs(c);
@ -543,7 +543,7 @@ static int write_cnodes(struct ubifs_info *c)
return 0;
no_space:
ubifs_err("LPT out of space mismatch at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
ubifs_err(c, "LPT out of space mismatch at LEB %d:%d needing %d, done_ltab %d, done_lsave %d",
lnum, offs, len, done_ltab, done_lsave);
ubifs_dump_lpt_info(c);
ubifs_dump_lpt_lebs(c);
@ -1638,7 +1638,7 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory for ltab checking");
ubifs_err(c, "cannot allocate memory for ltab checking");
return 0;
}
@ -1660,18 +1660,18 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
continue;
}
if (!dbg_is_all_ff(p, len)) {
ubifs_err("invalid empty space in LEB %d at %d",
ubifs_err(c, "invalid empty space in LEB %d at %d",
lnum, c->leb_size - len);
err = -EINVAL;
}
i = lnum - c->lpt_first;
if (len != c->ltab[i].free) {
ubifs_err("invalid free space in LEB %d (free %d, expected %d)",
ubifs_err(c, "invalid free space in LEB %d (free %d, expected %d)",
lnum, len, c->ltab[i].free);
err = -EINVAL;
}
if (dirty != c->ltab[i].dirty) {
ubifs_err("invalid dirty space in LEB %d (dirty %d, expected %d)",
ubifs_err(c, "invalid dirty space in LEB %d (dirty %d, expected %d)",
lnum, dirty, c->ltab[i].dirty);
err = -EINVAL;
}
@ -1725,7 +1725,7 @@ int dbg_check_ltab(struct ubifs_info *c)
for (lnum = c->lpt_first; lnum <= c->lpt_last; lnum++) {
err = dbg_check_ltab_lnum(c, lnum);
if (err) {
ubifs_err("failed at LEB %d", lnum);
ubifs_err(c, "failed at LEB %d", lnum);
return err;
}
}
@ -1757,7 +1757,7 @@ int dbg_chk_lpt_free_spc(struct ubifs_info *c)
free += c->leb_size;
}
if (free < c->lpt_sz) {
ubifs_err("LPT space error: free %lld lpt_sz %lld",
ubifs_err(c, "LPT space error: free %lld lpt_sz %lld",
free, c->lpt_sz);
ubifs_dump_lpt_info(c);
ubifs_dump_lpt_lebs(c);
@ -1797,12 +1797,12 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
d->chk_lpt_lebs = 0;
d->chk_lpt_wastage = 0;
if (c->dirty_pn_cnt > c->pnode_cnt) {
ubifs_err("dirty pnodes %d exceed max %d",
ubifs_err(c, "dirty pnodes %d exceed max %d",
c->dirty_pn_cnt, c->pnode_cnt);
err = -EINVAL;
}
if (c->dirty_nn_cnt > c->nnode_cnt) {
ubifs_err("dirty nnodes %d exceed max %d",
ubifs_err(c, "dirty nnodes %d exceed max %d",
c->dirty_nn_cnt, c->nnode_cnt);
err = -EINVAL;
}
@ -1820,22 +1820,22 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
chk_lpt_sz *= d->chk_lpt_lebs;
chk_lpt_sz += len - c->nhead_offs;
if (d->chk_lpt_sz != chk_lpt_sz) {
ubifs_err("LPT wrote %lld but space used was %lld",
ubifs_err(c, "LPT wrote %lld but space used was %lld",
d->chk_lpt_sz, chk_lpt_sz);
err = -EINVAL;
}
if (d->chk_lpt_sz > c->lpt_sz) {
ubifs_err("LPT wrote %lld but lpt_sz is %lld",
ubifs_err(c, "LPT wrote %lld but lpt_sz is %lld",
d->chk_lpt_sz, c->lpt_sz);
err = -EINVAL;
}
if (d->chk_lpt_sz2 && d->chk_lpt_sz != d->chk_lpt_sz2) {
ubifs_err("LPT layout size %lld but wrote %lld",
ubifs_err(c, "LPT layout size %lld but wrote %lld",
d->chk_lpt_sz, d->chk_lpt_sz2);
err = -EINVAL;
}
if (d->chk_lpt_sz2 && d->new_nhead_offs != len) {
ubifs_err("LPT new nhead offs: expected %d was %d",
ubifs_err(c, "LPT new nhead offs: expected %d was %d",
d->new_nhead_offs, len);
err = -EINVAL;
}
@ -1845,7 +1845,7 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
if (c->big_lpt)
lpt_sz += c->lsave_sz;
if (d->chk_lpt_sz - d->chk_lpt_wastage > lpt_sz) {
ubifs_err("LPT chk_lpt_sz %lld + waste %lld exceeds %lld",
ubifs_err(c, "LPT chk_lpt_sz %lld + waste %lld exceeds %lld",
d->chk_lpt_sz, d->chk_lpt_wastage, lpt_sz);
err = -EINVAL;
}
@ -1887,7 +1887,7 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to dump LPT");
ubifs_err(c, "cannot allocate memory to dump LPT");
return;
}
@ -1962,7 +1962,7 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
pr_err("LEB %d:%d, lsave len\n", lnum, offs);
break;
default:
ubifs_err("LPT node type %d not recognized", node_type);
ubifs_err(c, "LPT node type %d not recognized", node_type);
goto out;
}

6
fs/ubifs/master.c
View File

@ -82,7 +82,7 @@ out:
return -EUCLEAN;
out_dump:
ubifs_err("unexpected node type %d master LEB %d:%d",
ubifs_err(c, "unexpected node type %d master LEB %d:%d",
snod->type, lnum, snod->offs);
ubifs_scan_destroy(sleb);
return -EINVAL;
@ -240,7 +240,7 @@ static int validate_master(const struct ubifs_info *c)
return 0;
out:
ubifs_err("bad master node at offset %d error %d", c->mst_offs, err);
ubifs_err(c, "bad master node at offset %d error %d", c->mst_offs, err);
ubifs_dump_node(c, c->mst_node);
return -EINVAL;
}
@ -316,7 +316,7 @@ int ubifs_read_master(struct ubifs_info *c)
if (c->leb_cnt < old_leb_cnt ||
c->leb_cnt < UBIFS_MIN_LEB_CNT) {
ubifs_err("bad leb_cnt on master node");
ubifs_err(c, "bad leb_cnt on master node");
ubifs_dump_node(c, c->mst_node);
return -EINVAL;
}

26
fs/ubifs/orphan.c
View File

@ -88,7 +88,7 @@ int ubifs_add_orphan(struct ubifs_info *c, ino_t inum)
else if (inum > o->inum)
p = &(*p)->rb_right;
else {
ubifs_err("orphaned twice");
ubifs_err(c, "orphaned twice");
spin_unlock(&c->orphan_lock);
kfree(orphan);
return 0;
@ -155,7 +155,7 @@ void ubifs_delete_orphan(struct ubifs_info *c, ino_t inum)
}
}
spin_unlock(&c->orphan_lock);
ubifs_err("missing orphan ino %lu", (unsigned long)inum);
ubifs_err(c, "missing orphan ino %lu", (unsigned long)inum);
dump_stack();
}
@ -287,7 +287,7 @@ static int write_orph_node(struct ubifs_info *c, int atomic)
* We limit the number of orphans so that this should
* never happen.
*/
ubifs_err("out of space in orphan area");
ubifs_err(c, "out of space in orphan area");
return -EINVAL;
}
}
@ -397,7 +397,7 @@ static int consolidate(struct ubifs_info *c)
* We limit the number of orphans so that this should
* never happen.
*/
ubifs_err("out of space in orphan area");
ubifs_err(c, "out of space in orphan area");
err = -EINVAL;
}
spin_unlock(&c->orphan_lock);
@ -569,7 +569,7 @@ static int do_kill_orphans(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
list_for_each_entry(snod, &sleb->nodes, list) {
if (snod->type != UBIFS_ORPH_NODE) {
ubifs_err("invalid node type %d in orphan area at %d:%d",
ubifs_err(c, "invalid node type %d in orphan area at %d:%d",
snod->type, sleb->lnum, snod->offs);
ubifs_dump_node(c, snod->node);
return -EINVAL;
@ -596,7 +596,7 @@ static int do_kill_orphans(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
* number. That makes this orphan node, out of date.
*/
if (!first) {
ubifs_err("out of order commit number %llu in orphan node at %d:%d",
ubifs_err(c, "out of order commit number %llu in orphan node at %d:%d",
cmt_no, sleb->lnum, snod->offs);
ubifs_dump_node(c, snod->node);
return -EINVAL;
@ -831,20 +831,20 @@ static int dbg_orphan_check(struct ubifs_info *c, struct ubifs_zbranch *zbr,
if (inum != ci->last_ino) {
/* Lowest node type is the inode node, so it comes first */
if (key_type(c, &zbr->key) != UBIFS_INO_KEY)
ubifs_err("found orphan node ino %lu, type %d",
ubifs_err(c, "found orphan node ino %lu, type %d",
(unsigned long)inum, key_type(c, &zbr->key));
ci->last_ino = inum;
ci->tot_inos += 1;
err = ubifs_tnc_read_node(c, zbr, ci->node);
if (err) {
ubifs_err("node read failed, error %d", err);
ubifs_err(c, "node read failed, error %d", err);
return err;
}
if (ci->node->nlink == 0)
/* Must be recorded as an orphan */
if (!dbg_find_check_orphan(&ci->root, inum) &&
!dbg_find_orphan(c, inum)) {
ubifs_err("missing orphan, ino %lu",
ubifs_err(c, "missing orphan, ino %lu",
(unsigned long)inum);
ci->missing += 1;
}
@ -887,7 +887,7 @@ static int dbg_scan_orphans(struct ubifs_info *c, struct check_info *ci)
buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
if (!buf) {
ubifs_err("cannot allocate memory to check orphans");
ubifs_err(c, "cannot allocate memory to check orphans");
return 0;
}
@ -925,7 +925,7 @@ static int dbg_check_orphans(struct ubifs_info *c)
ci.root = RB_ROOT;
ci.node = kmalloc(UBIFS_MAX_INO_NODE_SZ, GFP_NOFS);
if (!ci.node) {
ubifs_err("out of memory");
ubifs_err(c, "out of memory");
return -ENOMEM;
}
@ -935,12 +935,12 @@ static int dbg_check_orphans(struct ubifs_info *c)
err = dbg_walk_index(c, &dbg_orphan_check, NULL, &ci);
if (err) {
ubifs_err("cannot scan TNC, error %d", err);
ubifs_err(c, "cannot scan TNC, error %d", err);
goto out;
}
if (ci.missing) {
ubifs_err("%lu missing orphan(s)", ci.missing);
ubifs_err(c, "%lu missing orphan(s)", ci.missing);
err = -EINVAL;
goto out;
}

44
fs/ubifs/recovery.c
View File

@ -305,7 +305,7 @@ int ubifs_recover_master_node(struct ubifs_info *c)
mst = mst2;
}
ubifs_msg("recovered master node from LEB %d",
ubifs_msg(c, "recovered master node from LEB %d",
(mst == mst1 ? UBIFS_MST_LNUM : UBIFS_MST_LNUM + 1));
memcpy(c->mst_node, mst, UBIFS_MST_NODE_SZ);
@ -360,13 +360,13 @@ int ubifs_recover_master_node(struct ubifs_info *c)
out_err:
err = -EINVAL;
out_free:
ubifs_err("failed to recover master node");
ubifs_err(c, "failed to recover master node");
if (mst1) {
ubifs_err("dumping first master node");
ubifs_err(c, "dumping first master node");
ubifs_dump_node(c, mst1);
}
if (mst2) {
ubifs_err("dumping second master node");
ubifs_err(c, "dumping second master node");
ubifs_dump_node(c, mst2);
}
vfree(buf2);
@ -682,7 +682,7 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum,
ret, lnum, offs);
break;
} else {
ubifs_err("unexpected return value %d", ret);
ubifs_err(c, "unexpected return value %d", ret);
err = -EINVAL;
goto error;
}
@ -702,7 +702,7 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum,
* See header comment for this file for more
* explanations about the reasons we have this check.
*/
ubifs_err("corrupt empty space LEB %d:%d, corruption starts at %d",
ubifs_err(c, "corrupt empty space LEB %d:%d, corruption starts at %d",
lnum, offs, corruption);
/* Make sure we dump interesting non-0xFF data */
offs += corruption;
@ -788,13 +788,13 @@ struct ubifs_scan_leb *ubifs_recover_leb(struct ubifs_info *c, int lnum,
corrupted_rescan:
/* Re-scan the corrupted data with verbose messages */
ubifs_err("corruption %d", ret);
ubifs_err(c, "corruption %d", ret);
ubifs_scan_a_node(c, buf, len, lnum, offs, 1);
corrupted:
ubifs_scanned_corruption(c, lnum, offs, buf);
err = -EUCLEAN;
error:
ubifs_err("LEB %d scanning failed", lnum);
ubifs_err(c, "LEB %d scanning failed", lnum);
ubifs_scan_destroy(sleb);
return ERR_PTR(err);
}
@ -826,15 +826,15 @@ static int get_cs_sqnum(struct ubifs_info *c, int lnum, int offs,
goto out_free;
ret = ubifs_scan_a_node(c, cs_node, UBIFS_CS_NODE_SZ, lnum, offs, 0);
if (ret != SCANNED_A_NODE) {
ubifs_err("Not a valid node");
ubifs_err(c, "Not a valid node");
goto out_err;
}
if (cs_node->ch.node_type != UBIFS_CS_NODE) {
ubifs_err("Node a CS node, type is %d", cs_node->ch.node_type);
ubifs_err(c, "Node a CS node, type is %d", cs_node->ch.node_type);
goto out_err;
}
if (le64_to_cpu(cs_node->cmt_no) != c->cmt_no) {
ubifs_err("CS node cmt_no %llu != current cmt_no %llu",
ubifs_err(c, "CS node cmt_no %llu != current cmt_no %llu",
(unsigned long long)le64_to_cpu(cs_node->cmt_no),
c->cmt_no);
goto out_err;
@ -847,7 +847,7 @@ static int get_cs_sqnum(struct ubifs_info *c, int lnum, int offs,
out_err:
err = -EINVAL;
out_free:
ubifs_err("failed to get CS sqnum");
ubifs_err(c, "failed to get CS sqnum");
kfree(cs_node);
return err;
}
@ -899,7 +899,7 @@ struct ubifs_scan_leb *ubifs_recover_log_leb(struct ubifs_info *c, int lnum,
}
}
if (snod->sqnum > cs_sqnum) {
ubifs_err("unrecoverable log corruption in LEB %d",
ubifs_err(c, "unrecoverable log corruption in LEB %d",
lnum);
ubifs_scan_destroy(sleb);
return ERR_PTR(-EUCLEAN);
@ -975,11 +975,8 @@ int ubifs_recover_inl_heads(struct ubifs_info *c, void *sbuf)
return err;
dbg_rcvry("checking LPT head at %d:%d", c->nhead_lnum, c->nhead_offs);
err = recover_head(c, c->nhead_lnum, c->nhead_offs, sbuf);
if (err)
return err;
return 0;
return recover_head(c, c->nhead_lnum, c->nhead_offs, sbuf);
}
/**
@ -1004,10 +1001,7 @@ static int clean_an_unclean_leb(struct ubifs_info *c,
if (len == 0) {
/* Nothing to read, just unmap it */
err = ubifs_leb_unmap(c, lnum);
if (err)
return err;
return 0;
return ubifs_leb_unmap(c, lnum);
}
err = ubifs_leb_read(c, lnum, buf, offs, len, 0);
@ -1043,7 +1037,7 @@ static int clean_an_unclean_leb(struct ubifs_info *c,
}
if (ret == SCANNED_EMPTY_SPACE) {
ubifs_err("unexpected empty space at %d:%d",
ubifs_err(c, "unexpected empty space at %d:%d",
lnum, offs);
return -EUCLEAN;
}
@ -1137,7 +1131,7 @@ static int grab_empty_leb(struct ubifs_info *c)
*/
lnum = ubifs_find_free_leb_for_idx(c);
if (lnum < 0) {
ubifs_err("could not find an empty LEB");
ubifs_err(c, "could not find an empty LEB");
ubifs_dump_lprops(c);
ubifs_dump_budg(c, &c->bi);
return lnum;
@ -1217,7 +1211,7 @@ int ubifs_rcvry_gc_commit(struct ubifs_info *c)
}
mutex_unlock(&wbuf->io_mutex);
if (err < 0) {
ubifs_err("GC failed, error %d", err);
ubifs_err(c, "GC failed, error %d", err);
if (err == -EAGAIN)
err = -EINVAL;
return err;
@ -1464,7 +1458,7 @@ static int fix_size_in_place(struct ubifs_info *c, struct size_entry *e)
return 0;
out:
ubifs_warn("inode %lu failed to fix size %lld -> %lld error %d",
ubifs_warn(c, "inode %lu failed to fix size %lld -> %lld error %d",
(unsigned long)e->inum, e->i_size, e->d_size, err);
return err;
}

34
fs/ubifs/replay.c
View File

@ -458,13 +458,13 @@ int ubifs_validate_entry(struct ubifs_info *c,
nlen > UBIFS_MAX_NLEN || dent->name[nlen] != 0 ||
strnlen(dent->name, nlen) != nlen ||
le64_to_cpu(dent->inum) > MAX_INUM) {
ubifs_err("bad %s node", key_type == UBIFS_DENT_KEY ?
ubifs_err(c, "bad %s node", key_type == UBIFS_DENT_KEY ?
"directory entry" : "extended attribute entry");
return -EINVAL;
}
if (key_type != UBIFS_DENT_KEY && key_type != UBIFS_XENT_KEY) {
ubifs_err("bad key type %d", key_type);
ubifs_err(c, "bad key type %d", key_type);
return -EINVAL;
}
@ -589,7 +589,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b)
cond_resched();
if (snod->sqnum >= SQNUM_WATERMARK) {
ubifs_err("file system's life ended");
ubifs_err(c, "file system's life ended");
goto out_dump;
}
@ -647,7 +647,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b)
if (old_size < 0 || old_size > c->max_inode_sz ||
new_size < 0 || new_size > c->max_inode_sz ||
old_size <= new_size) {
ubifs_err("bad truncation node");
ubifs_err(c, "bad truncation node");
goto out_dump;
}
@ -662,7 +662,7 @@ static int replay_bud(struct ubifs_info *c, struct bud_entry *b)
break;
}
default:
ubifs_err("unexpected node type %d in bud LEB %d:%d",
ubifs_err(c, "unexpected node type %d in bud LEB %d:%d",
snod->type, lnum, snod->offs);
err = -EINVAL;
goto out_dump;
@ -685,7 +685,7 @@ out:
return err;
out_dump:
ubifs_err("bad node is at LEB %d:%d", lnum, snod->offs);
ubifs_err(c, "bad node is at LEB %d:%d", lnum, snod->offs);
ubifs_dump_node(c, snod->node);
ubifs_scan_destroy(sleb);
return -EINVAL;
@ -805,7 +805,7 @@ static int validate_ref(struct ubifs_info *c, const struct ubifs_ref_node *ref)
if (bud) {
if (bud->jhead == jhead && bud->start <= offs)
return 1;
ubifs_err("bud at LEB %d:%d was already referred", lnum, offs);
ubifs_err(c, "bud at LEB %d:%d was already referred", lnum, offs);
return -EINVAL;
}
@ -861,12 +861,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf)
* numbers.
*/
if (snod->type != UBIFS_CS_NODE) {
ubifs_err("first log node at LEB %d:%d is not CS node",
ubifs_err(c, "first log node at LEB %d:%d is not CS node",
lnum, offs);
goto out_dump;
}
if (le64_to_cpu(node->cmt_no) != c->cmt_no) {
ubifs_err("first CS node at LEB %d:%d has wrong commit number %llu expected %llu",
ubifs_err(c, "first CS node at LEB %d:%d has wrong commit number %llu expected %llu",
lnum, offs,
(unsigned long long)le64_to_cpu(node->cmt_no),
c->cmt_no);
@ -891,7 +891,7 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf)
/* Make sure the first node sits at offset zero of the LEB */
if (snod->offs != 0) {
ubifs_err("first node is not at zero offset");
ubifs_err(c, "first node is not at zero offset");
goto out_dump;
}
@ -899,12 +899,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf)
cond_resched();
if (snod->sqnum >= SQNUM_WATERMARK) {
ubifs_err("file system's life ended");
ubifs_err(c, "file system's life ended");
goto out_dump;
}
if (snod->sqnum < c->cs_sqnum) {
ubifs_err("bad sqnum %llu, commit sqnum %llu",
ubifs_err(c, "bad sqnum %llu, commit sqnum %llu",
snod->sqnum, c->cs_sqnum);
goto out_dump;
}
@ -934,12 +934,12 @@ static int replay_log_leb(struct ubifs_info *c, int lnum, int offs, void *sbuf)
case UBIFS_CS_NODE:
/* Make sure it sits at the beginning of LEB */
if (snod->offs != 0) {
ubifs_err("unexpected node in log");
ubifs_err(c, "unexpected node in log");
goto out_dump;
}
break;
default:
ubifs_err("unexpected node in log");
ubifs_err(c, "unexpected node in log");
goto out_dump;
}
}
@ -955,7 +955,7 @@ out:
return err;
out_dump:
ubifs_err("log error detected while replaying the log at LEB %d:%d",
ubifs_err(c, "log error detected while replaying the log at LEB %d:%d",
lnum, offs + snod->offs);
ubifs_dump_node(c, snod->node);
ubifs_scan_destroy(sleb);
@ -1017,7 +1017,7 @@ int ubifs_replay_journal(struct ubifs_info *c)
return free; /* Error code */
if (c->ihead_offs != c->leb_size - free) {
ubifs_err("bad index head LEB %d:%d", c->ihead_lnum,
ubifs_err(c, "bad index head LEB %d:%d", c->ihead_lnum,
c->ihead_offs);
return -EINVAL;
}
@ -1040,7 +1040,7 @@ int ubifs_replay_journal(struct ubifs_info *c)
* someting went wrong and we cannot proceed mounting
* the file-system.
*/
ubifs_err("no UBIFS nodes found at the log head LEB %d:%d, possibly corrupted",
ubifs_err(c, "no UBIFS nodes found at the log head LEB %d:%d, possibly corrupted",
lnum, 0);
err = -EINVAL;
}

30
fs/ubifs/sb.c
View File

@ -335,7 +335,7 @@ static int create_default_filesystem(struct ubifs_info *c)
if (err)
return err;
ubifs_msg("default file-system created");
ubifs_msg(c, "default file-system created");
return 0;
}
@ -365,13 +365,13 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
}
if (le32_to_cpu(sup->min_io_size) != c->min_io_size) {
ubifs_err("min. I/O unit mismatch: %d in superblock, %d real",
ubifs_err(c, "min. I/O unit mismatch: %d in superblock, %d real",
le32_to_cpu(sup->min_io_size), c->min_io_size);
goto failed;
}
if (le32_to_cpu(sup->leb_size) != c->leb_size) {
ubifs_err("LEB size mismatch: %d in superblock, %d real",
ubifs_err(c, "LEB size mismatch: %d in superblock, %d real",
le32_to_cpu(sup->leb_size), c->leb_size);
goto failed;
}
@ -393,33 +393,33 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
min_leb_cnt += c->lpt_lebs + c->orph_lebs + c->jhead_cnt + 6;
if (c->leb_cnt < min_leb_cnt || c->leb_cnt > c->vi.size) {
ubifs_err("bad LEB count: %d in superblock, %d on UBI volume, %d minimum required",
ubifs_err(c, "bad LEB count: %d in superblock, %d on UBI volume, %d minimum required",
c->leb_cnt, c->vi.size, min_leb_cnt);
goto failed;
}
if (c->max_leb_cnt < c->leb_cnt) {
ubifs_err("max. LEB count %d less than LEB count %d",
ubifs_err(c, "max. LEB count %d less than LEB count %d",
c->max_leb_cnt, c->leb_cnt);
goto failed;
}
if (c->main_lebs < UBIFS_MIN_MAIN_LEBS) {
ubifs_err("too few main LEBs count %d, must be at least %d",
ubifs_err(c, "too few main LEBs count %d, must be at least %d",
c->main_lebs, UBIFS_MIN_MAIN_LEBS);
goto failed;
}
max_bytes = (long long)c->leb_size * UBIFS_MIN_BUD_LEBS;
if (c->max_bud_bytes < max_bytes) {
ubifs_err("too small journal (%lld bytes), must be at least %lld bytes",
ubifs_err(c, "too small journal (%lld bytes), must be at least %lld bytes",
c->max_bud_bytes, max_bytes);
goto failed;
}
max_bytes = (long long)c->leb_size * c->main_lebs;
if (c->max_bud_bytes > max_bytes) {
ubifs_err("too large journal size (%lld bytes), only %lld bytes available in the main area",
ubifs_err(c, "too large journal size (%lld bytes), only %lld bytes available in the main area",
c->max_bud_bytes, max_bytes);
goto failed;
}
@ -468,7 +468,7 @@ static int validate_sb(struct ubifs_info *c, struct ubifs_sb_node *sup)
return 0;
failed:
ubifs_err("bad superblock, error %d", err);
ubifs_err(c, "bad superblock, error %d", err);
ubifs_dump_node(c, sup);
return -EINVAL;
}
@ -549,12 +549,12 @@ int ubifs_read_superblock(struct ubifs_info *c)
ubifs_assert(!c->ro_media || c->ro_mount);
if (!c->ro_mount ||
c->ro_compat_version > UBIFS_RO_COMPAT_VERSION) {
ubifs_err("on-flash format version is w%d/r%d, but software only supports up to version w%d/r%d",
ubifs_err(c, "on-flash format version is w%d/r%d, but software only supports up to version w%d/r%d",
c->fmt_version, c->ro_compat_version,
UBIFS_FORMAT_VERSION,
UBIFS_RO_COMPAT_VERSION);
if (c->ro_compat_version <= UBIFS_RO_COMPAT_VERSION) {
ubifs_msg("only R/O mounting is possible");
ubifs_msg(c, "only R/O mounting is possible");
err = -EROFS;
} else
err = -EINVAL;
@ -570,7 +570,7 @@ int ubifs_read_superblock(struct ubifs_info *c)
}
if (c->fmt_version < 3) {
ubifs_err("on-flash format version %d is not supported",
ubifs_err(c, "on-flash format version %d is not supported",
c->fmt_version);
err = -EINVAL;
goto out;
@ -595,7 +595,7 @@ int ubifs_read_superblock(struct ubifs_info *c)
c->key_len = UBIFS_SK_LEN;
break;
default:
ubifs_err("unsupported key format");
ubifs_err(c, "unsupported key format");
err = -EINVAL;
goto out;
}
@ -785,7 +785,7 @@ int ubifs_fixup_free_space(struct ubifs_info *c)
ubifs_assert(c->space_fixup);
ubifs_assert(!c->ro_mount);
ubifs_msg("start fixing up free space");
ubifs_msg(c, "start fixing up free space");
err = fixup_free_space(c);
if (err)
@ -804,6 +804,6 @@ int ubifs_fixup_free_space(struct ubifs_info *c)
if (err)
return err;
ubifs_msg("free space fixup complete");
ubifs_msg(c, "free space fixup complete");
return err;
}

24
fs/ubifs/scan.c
View File

@ -100,7 +100,7 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum,
if (pad_len < 0 ||
offs + node_len + pad_len > c->leb_size) {
if (!quiet) {
ubifs_err("bad pad node at LEB %d:%d",
ubifs_err(c, "bad pad node at LEB %d:%d",
lnum, offs);
ubifs_dump_node(c, pad);
}
@ -110,7 +110,7 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum,
/* Make the node pads to 8-byte boundary */
if ((node_len + pad_len) & 7) {
if (!quiet)
ubifs_err("bad padding length %d - %d",
ubifs_err(c, "bad padding length %d - %d",
offs, offs + node_len + pad_len);
return SCANNED_A_BAD_PAD_NODE;
}
@ -152,7 +152,7 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum,
err = ubifs_leb_read(c, lnum, sbuf + offs, offs, c->leb_size - offs, 0);
if (err && err != -EBADMSG) {
ubifs_err("cannot read %d bytes from LEB %d:%d, error %d",
ubifs_err(c, "cannot read %d bytes from LEB %d:%d, error %d",
c->leb_size - offs, lnum, offs, err);
kfree(sleb);
return ERR_PTR(err);
@ -240,11 +240,11 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs,
{
int len;
ubifs_err("corruption at LEB %d:%d", lnum, offs);
ubifs_err(c, "corruption at LEB %d:%d", lnum, offs);
len = c->leb_size - offs;
if (len > 8192)
len = 8192;
ubifs_err("first %d bytes from LEB %d:%d", len, lnum, offs);
ubifs_err(c, "first %d bytes from LEB %d:%d", len, lnum, offs);
print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 4, buf, len, 1);
}
@ -299,16 +299,16 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
switch (ret) {
case SCANNED_GARBAGE:
ubifs_err("garbage");
ubifs_err(c, "garbage");
goto corrupted;
case SCANNED_A_NODE:
break;
case SCANNED_A_CORRUPT_NODE:
case SCANNED_A_BAD_PAD_NODE:
ubifs_err("bad node");
ubifs_err(c, "bad node");
goto corrupted;
default:
ubifs_err("unknown");
ubifs_err(c, "unknown");
err = -EINVAL;
goto error;
}
@ -325,7 +325,7 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
if (offs % c->min_io_size) {
if (!quiet)
ubifs_err("empty space starts at non-aligned offset %d",
ubifs_err(c, "empty space starts at non-aligned offset %d",
offs);
goto corrupted;
}
@ -338,7 +338,7 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
for (; len; offs++, buf++, len--)
if (*(uint8_t *)buf != 0xff) {
if (!quiet)
ubifs_err("corrupt empty space at LEB %d:%d",
ubifs_err(c, "corrupt empty space at LEB %d:%d",
lnum, offs);
goto corrupted;
}
@ -348,14 +348,14 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
corrupted:
if (!quiet) {
ubifs_scanned_corruption(c, lnum, offs, buf);
ubifs_err("LEB %d scanning failed", lnum);
ubifs_err(c, "LEB %d scanning failed", lnum);
}
err = -EUCLEAN;
ubifs_scan_destroy(sleb);
return ERR_PTR(err);
error:
ubifs_err("LEB %d scanning failed, error %d", lnum, err);
ubifs_err(c, "LEB %d scanning failed, error %d", lnum, err);
ubifs_scan_destroy(sleb);
return ERR_PTR(err);
}

107
fs/ubifs/super.c
View File

@ -70,13 +70,13 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode)
const struct ubifs_inode *ui = ubifs_inode(inode);
if (inode->i_size > c->max_inode_sz) {
ubifs_err("inode is too large (%lld)",
ubifs_err(c, "inode is too large (%lld)",
(long long)inode->i_size);
return 1;
}
if (ui->compr_type >= UBIFS_COMPR_TYPES_CNT) {
ubifs_err("unknown compression type %d", ui->compr_type);
ubifs_err(c, "unknown compression type %d", ui->compr_type);
return 2;
}
@ -90,7 +90,7 @@ static int validate_inode(struct ubifs_info *c, const struct inode *inode)
return 5;
if (!ubifs_compr_present(ui->compr_type)) {
ubifs_warn("inode %lu uses '%s' compression, but it was not compiled in",
ubifs_warn(c, "inode %lu uses '%s' compression, but it was not compiled in",
inode->i_ino, ubifs_compr_name(ui->compr_type));
}
@ -242,14 +242,14 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
return inode;
out_invalid:
ubifs_err("inode %lu validation failed, error %d", inode->i_ino, err);
ubifs_err(c, "inode %lu validation failed, error %d", inode->i_ino, err);
ubifs_dump_node(c, ino);
ubifs_dump_inode(c, inode);
err = -EINVAL;
out_ino:
kfree(ino);
out:
ubifs_err("failed to read inode %lu, error %d", inode->i_ino, err);
ubifs_err(c, "failed to read inode %lu, error %d", inode->i_ino, err);
iget_failed(inode);
return ERR_PTR(err);
}
@ -319,7 +319,7 @@ static int ubifs_write_inode(struct inode *inode, struct writeback_control *wbc)
if (inode->i_nlink) {
err = ubifs_jnl_write_inode(c, inode);
if (err)
ubifs_err("can't write inode %lu, error %d",
ubifs_err(c, "can't write inode %lu, error %d",
inode->i_ino, err);
else
err = dbg_check_inode_size(c, inode, ui->ui_size);
@ -363,7 +363,7 @@ static void ubifs_evict_inode(struct inode *inode)
* Worst case we have a lost orphan inode wasting space, so a
* simple error message is OK here.
*/
ubifs_err("can't delete inode %lu, error %d",
ubifs_err(c, "can't delete inode %lu, error %d",
inode->i_ino, err);
out:
@ -492,17 +492,17 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
static int init_constants_early(struct ubifs_info *c)
{
if (c->vi.corrupted) {
ubifs_warn("UBI volume is corrupted - read-only mode");
ubifs_warn(c, "UBI volume is corrupted - read-only mode");
c->ro_media = 1;
}
if (c->di.ro_mode) {
ubifs_msg("read-only UBI device");
ubifs_msg(c, "read-only UBI device");
c->ro_media = 1;
}
if (c->vi.vol_type == UBI_STATIC_VOLUME) {
ubifs_msg("static UBI volume - read-only mode");
ubifs_msg(c, "static UBI volume - read-only mode");
c->ro_media = 1;
}
@ -516,19 +516,19 @@ static int init_constants_early(struct ubifs_info *c)
c->max_write_shift = fls(c->max_write_size) - 1;
if (c->leb_size < UBIFS_MIN_LEB_SZ) {
ubifs_err("too small LEBs (%d bytes), min. is %d bytes",
ubifs_err(c, "too small LEBs (%d bytes), min. is %d bytes",
c->leb_size, UBIFS_MIN_LEB_SZ);
return -EINVAL;
}
if (c->leb_cnt < UBIFS_MIN_LEB_CNT) {
ubifs_err("too few LEBs (%d), min. is %d",
ubifs_err(c, "too few LEBs (%d), min. is %d",
c->leb_cnt, UBIFS_MIN_LEB_CNT);
return -EINVAL;
}
if (!is_power_of_2(c->min_io_size)) {
ubifs_err("bad min. I/O size %d", c->min_io_size);
ubifs_err(c, "bad min. I/O size %d", c->min_io_size);
return -EINVAL;
}
@ -539,7 +539,7 @@ static int init_constants_early(struct ubifs_info *c)
if (c->max_write_size < c->min_io_size ||
c->max_write_size % c->min_io_size ||
!is_power_of_2(c->max_write_size)) {
ubifs_err("bad write buffer size %d for %d min. I/O unit",
ubifs_err(c, "bad write buffer size %d for %d min. I/O unit",
c->max_write_size, c->min_io_size);
return -EINVAL;
}
@ -665,7 +665,7 @@ static int init_constants_sb(struct ubifs_info *c)
tmp = UBIFS_CS_NODE_SZ + UBIFS_REF_NODE_SZ * c->jhead_cnt;
tmp = ALIGN(tmp, c->min_io_size);
if (tmp > c->leb_size) {
ubifs_err("too small LEB size %d, at least %d needed",
ubifs_err(c, "too small LEB size %d, at least %d needed",
c->leb_size, tmp);
return -EINVAL;
}
@ -680,7 +680,7 @@ static int init_constants_sb(struct ubifs_info *c)
tmp /= c->leb_size;
tmp += 1;
if (c->log_lebs < tmp) {
ubifs_err("too small log %d LEBs, required min. %d LEBs",
ubifs_err(c, "too small log %d LEBs, required min. %d LEBs",
c->log_lebs, tmp);
return -EINVAL;
}
@ -772,7 +772,7 @@ static int take_gc_lnum(struct ubifs_info *c)
int err;
if (c->gc_lnum == -1) {
ubifs_err("no LEB for GC");
ubifs_err(c, "no LEB for GC");
return -EINVAL;
}
@ -857,7 +857,7 @@ static void free_orphans(struct ubifs_info *c)
orph = list_entry(c->orph_list.next, struct ubifs_orphan, list);
list_del(&orph->list);
kfree(orph);
ubifs_err("orphan list not empty at unmount");
ubifs_err(c, "orphan list not empty at unmount");
}
vfree(c->orph_buf);
@ -954,7 +954,8 @@ static const match_table_t tokens = {
*/
static int parse_standard_option(const char *option)
{
ubifs_msg("parse %s", option);
pr_notice("UBIFS: parse %s\n", option);
if (!strcmp(option, "sync"))
return MS_SYNCHRONOUS;
return 0;
@ -1026,7 +1027,7 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
else if (!strcmp(name, "zlib"))
c->mount_opts.compr_type = UBIFS_COMPR_ZLIB;
else {
ubifs_err("unknown compressor \"%s\"", name);
ubifs_err(c, "unknown compressor \"%s\"", name); //FIXME: is c ready?
kfree(name);
return -EINVAL;
}
@ -1042,7 +1043,7 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
flag = parse_standard_option(p);
if (!flag) {
ubifs_err("unrecognized mount option \"%s\" or missing value",
ubifs_err(c, "unrecognized mount option \"%s\" or missing value",
p);
return -EINVAL;
}
@ -1105,7 +1106,7 @@ again:
}
/* Just disable bulk-read */
ubifs_warn("cannot allocate %d bytes of memory for bulk-read, disabling it",
ubifs_warn(c, "cannot allocate %d bytes of memory for bulk-read, disabling it",
c->max_bu_buf_len);
c->mount_opts.bulk_read = 1;
c->bulk_read = 0;
@ -1124,7 +1125,7 @@ static int check_free_space(struct ubifs_info *c)
{
ubifs_assert(c->dark_wm > 0);
if (c->lst.total_free + c->lst.total_dirty < c->dark_wm) {
ubifs_err("insufficient free space to mount in R/W mode");
ubifs_err(c, "insufficient free space to mount in R/W mode");
ubifs_dump_budg(c, &c->bi);
ubifs_dump_lprops(c);
return -ENOSPC;
@ -1166,14 +1167,14 @@ static int mount_ubifs(struct ubifs_info *c)
* This UBI volume is empty, and read-only, or the file system
* is mounted read-only - we cannot format it.
*/
ubifs_err("can't format empty UBI volume: read-only %s",
ubifs_err(c, "can't format empty UBI volume: read-only %s",
c->ro_media ? "UBI volume" : "mount");
err = -EROFS;
goto out_free;
}
if (c->ro_media && !c->ro_mount) {
ubifs_err("cannot mount read-write - read-only media");
ubifs_err(c, "cannot mount read-write - read-only media");
err = -EROFS;
goto out_free;
}
@ -1221,7 +1222,7 @@ static int mount_ubifs(struct ubifs_info *c)
* or overridden by mount options is actually compiled in.
*/
if (!ubifs_compr_present(c->default_compr)) {
ubifs_err("'compressor \"%s\" is not compiled in",
ubifs_err(c, "'compressor \"%s\" is not compiled in",
ubifs_compr_name(c->default_compr));
err = -ENOTSUPP;
goto out_free;
@ -1250,7 +1251,7 @@ static int mount_ubifs(struct ubifs_info *c)
if (IS_ERR(c->bgt)) {
err = PTR_ERR(c->bgt);
c->bgt = NULL;
ubifs_err("cannot spawn \"%s\", error %d",
ubifs_err(c, "cannot spawn \"%s\", error %d",
c->bgt_name, err);
goto out_wbufs;
}
@ -1264,7 +1265,7 @@ static int mount_ubifs(struct ubifs_info *c)
init_constants_master(c);
if ((c->mst_node->flags & cpu_to_le32(UBIFS_MST_DIRTY)) != 0) {
ubifs_msg("recovery needed");
ubifs_msg(c, "recovery needed");
c->need_recovery = 1;
}
@ -1284,7 +1285,7 @@ static int mount_ubifs(struct ubifs_info *c)
goto out_lpt;
}
if (!c->ro_mount) {
if (!c->ro_mount && !c->need_recovery) {
/*
* Set the "dirty" flag so that if we reboot uncleanly we
* will notice this immediately on the next mount.
@ -1373,10 +1374,10 @@ static int mount_ubifs(struct ubifs_info *c)
if (c->need_recovery) {
if (c->ro_mount)
ubifs_msg("recovery deferred");
ubifs_msg(c, "recovery deferred");
else {
c->need_recovery = 0;
ubifs_msg("recovery completed");
ubifs_msg(c, "recovery completed");
/*
* GC LEB has to be empty and taken at this point. But
* the journal head LEBs may also be accounted as
@ -1397,20 +1398,20 @@ static int mount_ubifs(struct ubifs_info *c)
c->mounting = 0;
ubifs_msg("mounted UBI device %d, volume %d, name \"%s\"%s",
ubifs_msg(c, "UBIFS: mounted UBI device %d, volume %d, name \"%s\"%s",
c->vi.ubi_num, c->vi.vol_id, c->vi.name,
c->ro_mount ? ", R/O mode" : "");
x = (long long)c->main_lebs * c->leb_size;
y = (long long)c->log_lebs * c->leb_size + c->max_bud_bytes;
ubifs_msg("LEB size: %d bytes (%d KiB), min./max. I/O unit sizes: %d bytes/%d bytes",
ubifs_msg(c, "LEB size: %d bytes (%d KiB), min./max. I/O unit sizes: %d bytes/%d bytes",
c->leb_size, c->leb_size >> 10, c->min_io_size,
c->max_write_size);
ubifs_msg("FS size: %lld bytes (%lld MiB, %d LEBs), journal size %lld bytes (%lld MiB, %d LEBs)",
ubifs_msg(c, "FS size: %lld bytes (%lld MiB, %d LEBs), journal size %lld bytes (%lld MiB, %d LEBs)",
x, x >> 20, c->main_lebs,
y, y >> 20, c->log_lebs + c->max_bud_cnt);
ubifs_msg("reserved for root: %llu bytes (%llu KiB)",
ubifs_msg(c, "reserved for root: %llu bytes (%llu KiB)",
c->report_rp_size, c->report_rp_size >> 10);
ubifs_msg("media format: w%d/r%d (latest is w%d/r%d), UUID %pUB%s",
ubifs_msg(c, "media format: w%d/r%d (latest is w%d/r%d), UUID %pUB%s",
c->fmt_version, c->ro_compat_version,
UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION, c->uuid,
c->big_lpt ? ", big LPT model" : ", small LPT model");
@ -1543,8 +1544,8 @@ static int ubifs_remount_rw(struct ubifs_info *c)
int err, lnum;
if (c->rw_incompat) {
ubifs_err("the file-system is not R/W-compatible");
ubifs_msg("on-flash format version is w%d/r%d, but software only supports up to version w%d/r%d",
ubifs_err(c, "the file-system is not R/W-compatible");
ubifs_msg(c, "on-flash format version is w%d/r%d, but software only supports up to version w%d/r%d",
c->fmt_version, c->ro_compat_version,
UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION);
return -EROFS;
@ -1581,7 +1582,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
}
if (c->need_recovery) {
ubifs_msg("completing deferred recovery");
ubifs_msg(c, "completing deferred recovery");
err = ubifs_write_rcvrd_mst_node(c);
if (err)
goto out;
@ -1630,7 +1631,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
if (IS_ERR(c->bgt)) {
err = PTR_ERR(c->bgt);
c->bgt = NULL;
ubifs_err("cannot spawn \"%s\", error %d",
ubifs_err(c, "cannot spawn \"%s\", error %d",
c->bgt_name, err);
goto out;
}
@ -1664,7 +1665,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
if (c->need_recovery) {
c->need_recovery = 0;
ubifs_msg("deferred recovery completed");
ubifs_msg(c, "deferred recovery completed");
} else {
/*
* Do not run the debugging space check if the were doing
@ -1752,8 +1753,7 @@ static void ubifs_put_super(struct super_block *sb)
int i;
struct ubifs_info *c = sb->s_fs_info;
ubifs_msg("un-mount UBI device %d, volume %d", c->vi.ubi_num,
c->vi.vol_id);
ubifs_msg(c, "un-mount UBI device %d", c->vi.ubi_num);
/*
* The following asserts are only valid if there has not been a failure
@ -1809,7 +1809,7 @@ static void ubifs_put_super(struct super_block *sb)
* next mount, so we just print a message and
* continue to unmount normally.
*/
ubifs_err("failed to write master node, error %d",
ubifs_err(c, "failed to write master node, error %d",
err);
} else {
for (i = 0; i < c->jhead_cnt; i++)
@ -1834,17 +1834,17 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
err = ubifs_parse_options(c, data, 1);
if (err) {
ubifs_err("invalid or unknown remount parameter");
ubifs_err(c, "invalid or unknown remount parameter");
return err;
}
if (c->ro_mount && !(*flags & MS_RDONLY)) {
if (c->ro_error) {
ubifs_msg("cannot re-mount R/W due to prior errors");
ubifs_msg(c, "cannot re-mount R/W due to prior errors");
return -EROFS;
}
if (c->ro_media) {
ubifs_msg("cannot re-mount R/W - UBI volume is R/O");
ubifs_msg(c, "cannot re-mount R/W - UBI volume is R/O");
return -EROFS;
}
err = ubifs_remount_rw(c);
@ -1852,7 +1852,7 @@ static int ubifs_remount_fs(struct super_block *sb, int *flags, char *data)
return err;
} else if (!c->ro_mount && (*flags & MS_RDONLY)) {
if (c->ro_error) {
ubifs_msg("cannot re-mount R/O due to prior errors");
ubifs_msg(c, "cannot re-mount R/O due to prior errors");
return -EROFS;
}
ubifs_remount_ro(c);
@ -2104,8 +2104,8 @@ static struct dentry *ubifs_mount(struct file_system_type *fs_type, int flags,
*/
ubi = open_ubi(name, UBI_READONLY);
if (IS_ERR(ubi)) {
ubifs_err("cannot open \"%s\", error %d",
name, (int)PTR_ERR(ubi));
pr_err("UBIFS error (pid: %d): cannot open \"%s\", error %d",
current->pid, name, (int)PTR_ERR(ubi));
return ERR_CAST(ubi);
}
@ -2233,8 +2233,8 @@ static int __init ubifs_init(void)
* UBIFS_BLOCK_SIZE. It is assumed that both are powers of 2.
*/
if (PAGE_CACHE_SIZE < UBIFS_BLOCK_SIZE) {
ubifs_err("VFS page cache size is %u bytes, but UBIFS requires at least 4096 bytes",
(unsigned int)PAGE_CACHE_SIZE);
pr_err("UBIFS error (pid %d): VFS page cache size is %u bytes, but UBIFS requires at least 4096 bytes",
current->pid, (unsigned int)PAGE_CACHE_SIZE);
return -EINVAL;
}
@ -2257,7 +2257,8 @@ static int __init ubifs_init(void)
err = register_filesystem(&ubifs_fs_type);
if (err) {
ubifs_err("cannot register file system, error %d", err);
pr_err("UBIFS error (pid %d): cannot register file system, error %d",
current->pid, err);
goto out_dbg;
}
return 0;

20
fs/ubifs/tnc.c
View File

@ -98,7 +98,7 @@ static int insert_old_idx(struct ubifs_info *c, int lnum, int offs)
else if (offs > o->offs)
p = &(*p)->rb_right;
else {
ubifs_err("old idx added twice!");
ubifs_err(c, "old idx added twice!");
kfree(old_idx);
return 0;
}
@ -447,7 +447,7 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type,
err = ubifs_leb_read(c, lnum, buf, offs, len, 1);
if (err) {
ubifs_err("cannot read node type %d from LEB %d:%d, error %d",
ubifs_err(c, "cannot read node type %d from LEB %d:%d, error %d",
type, lnum, offs, err);
return err;
}
@ -1684,27 +1684,27 @@ static int validate_data_node(struct ubifs_info *c, void *buf,
int err, len;
if (ch->node_type != UBIFS_DATA_NODE) {
ubifs_err("bad node type (%d but expected %d)",
ubifs_err(c, "bad node type (%d but expected %d)",
ch->node_type, UBIFS_DATA_NODE);
goto out_err;
}
err = ubifs_check_node(c, buf, zbr->lnum, zbr->offs, 0, 0);
if (err) {
ubifs_err("expected node type %d", UBIFS_DATA_NODE);
ubifs_err(c, "expected node type %d", UBIFS_DATA_NODE);
goto out;
}
len = le32_to_cpu(ch->len);
if (len != zbr->len) {
ubifs_err("bad node length %d, expected %d", len, zbr->len);
ubifs_err(c, "bad node length %d, expected %d", len, zbr->len);
goto out_err;
}
/* Make sure the key of the read node is correct */
key_read(c, buf + UBIFS_KEY_OFFSET, &key1);
if (!keys_eq(c, &zbr->key, &key1)) {
ubifs_err("bad key in node at LEB %d:%d",
ubifs_err(c, "bad key in node at LEB %d:%d",
zbr->lnum, zbr->offs);
dbg_tnck(&zbr->key, "looked for key ");
dbg_tnck(&key1, "found node's key ");
@ -1716,7 +1716,7 @@ static int validate_data_node(struct ubifs_info *c, void *buf,
out_err:
err = -EINVAL;
out:
ubifs_err("bad node at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_err(c, "bad node at LEB %d:%d", zbr->lnum, zbr->offs);
ubifs_dump_node(c, buf);
dump_stack();
return err;
@ -1741,7 +1741,7 @@ int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
len = bu->zbranch[bu->cnt - 1].offs;
len += bu->zbranch[bu->cnt - 1].len - offs;
if (len > bu->buf_len) {
ubifs_err("buffer too small %d vs %d", bu->buf_len, len);
ubifs_err(c, "buffer too small %d vs %d", bu->buf_len, len);
return -EINVAL;
}
@ -1757,7 +1757,7 @@ int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
return -EAGAIN;
if (err && err != -EBADMSG) {
ubifs_err("failed to read from LEB %d:%d, error %d",
ubifs_err(c, "failed to read from LEB %d:%d, error %d",
lnum, offs, err);
dump_stack();
dbg_tnck(&bu->key, "key ");
@ -3313,7 +3313,7 @@ int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
out_dump:
block = key_block(c, key);
ubifs_err("inode %lu has size %lld, but there are data at offset %lld",
ubifs_err(c, "inode %lu has size %lld, but there are data at offset %lld",
(unsigned long)inode->i_ino, size,
((loff_t)block) << UBIFS_BLOCK_SHIFT);
mutex_unlock(&c->tnc_mutex);

12
fs/ubifs/tnc_commit.c
View File

@ -53,7 +53,7 @@ static int make_idx_node(struct ubifs_info *c, struct ubifs_idx_node *idx,
br->offs = cpu_to_le32(zbr->offs);
br->len = cpu_to_le32(zbr->len);
if (!zbr->lnum || !zbr->len) {
ubifs_err("bad ref in znode");
ubifs_err(c, "bad ref in znode");
ubifs_dump_znode(c, znode);
if (zbr->znode)
ubifs_dump_znode(c, zbr->znode);
@ -384,7 +384,7 @@ static int layout_in_gaps(struct ubifs_info *c, int cnt)
* Do not print scary warnings if the debugging
* option which forces in-the-gaps is enabled.
*/
ubifs_warn("out of space");
ubifs_warn(c, "out of space");
ubifs_dump_budg(c, &c->bi);
ubifs_dump_lprops(c);
}
@ -441,7 +441,7 @@ static int layout_in_empty_space(struct ubifs_info *c)
/* Determine the index node position */
if (lnum == -1) {
if (c->ileb_nxt >= c->ileb_cnt) {
ubifs_err("out of space");
ubifs_err(c, "out of space");
return -ENOSPC;
}
lnum = c->ilebs[c->ileb_nxt++];
@ -855,7 +855,7 @@ static int write_index(struct ubifs_info *c)
br->offs = cpu_to_le32(zbr->offs);
br->len = cpu_to_le32(zbr->len);
if (!zbr->lnum || !zbr->len) {
ubifs_err("bad ref in znode");
ubifs_err(c, "bad ref in znode");
ubifs_dump_znode(c, znode);
if (zbr->znode)
ubifs_dump_znode(c, zbr->znode);
@ -875,7 +875,7 @@ static int write_index(struct ubifs_info *c)
if (lnum != znode->lnum || offs != znode->offs ||
len != znode->len) {
ubifs_err("inconsistent znode posn");
ubifs_err(c, "inconsistent znode posn");
return -EINVAL;
}
@ -973,7 +973,7 @@ static int write_index(struct ubifs_info *c)
if (lnum != c->dbg->new_ihead_lnum ||
buf_offs != c->dbg->new_ihead_offs) {
ubifs_err("inconsistent ihead");
ubifs_err(c, "inconsistent ihead");
return -EINVAL;
}

24
fs/ubifs/tnc_misc.c
View File

@ -293,9 +293,9 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
lnum, offs, znode->level, znode->child_cnt);
if (znode->child_cnt > c->fanout || znode->level > UBIFS_MAX_LEVELS) {
ubifs_err("current fanout %d, branch count %d",
ubifs_err(c, "current fanout %d, branch count %d",
c->fanout, znode->child_cnt);
ubifs_err("max levels %d, znode level %d",
ubifs_err(c, "max levels %d, znode level %d",
UBIFS_MAX_LEVELS, znode->level);
err = 1;
goto out_dump;
@ -316,7 +316,7 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
if (zbr->lnum < c->main_first ||
zbr->lnum >= c->leb_cnt || zbr->offs < 0 ||
zbr->offs + zbr->len > c->leb_size || zbr->offs & 7) {
ubifs_err("bad branch %d", i);
ubifs_err(c, "bad branch %d", i);
err = 2;
goto out_dump;
}
@ -328,7 +328,7 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
case UBIFS_XENT_KEY:
break;
default:
ubifs_err("bad key type at slot %d: %d",
ubifs_err(c, "bad key type at slot %d: %d",
i, key_type(c, &zbr->key));
err = 3;
goto out_dump;
@ -340,17 +340,17 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
type = key_type(c, &zbr->key);
if (c->ranges[type].max_len == 0) {
if (zbr->len != c->ranges[type].len) {
ubifs_err("bad target node (type %d) length (%d)",
ubifs_err(c, "bad target node (type %d) length (%d)",
type, zbr->len);
ubifs_err("have to be %d", c->ranges[type].len);
ubifs_err(c, "have to be %d", c->ranges[type].len);
err = 4;
goto out_dump;
}
} else if (zbr->len < c->ranges[type].min_len ||
zbr->len > c->ranges[type].max_len) {
ubifs_err("bad target node (type %d) length (%d)",
ubifs_err(c, "bad target node (type %d) length (%d)",
type, zbr->len);
ubifs_err("have to be in range of %d-%d",
ubifs_err(c, "have to be in range of %d-%d",
c->ranges[type].min_len,
c->ranges[type].max_len);
err = 5;
@ -370,12 +370,12 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
cmp = keys_cmp(c, key1, key2);
if (cmp > 0) {
ubifs_err("bad key order (keys %d and %d)", i, i + 1);
ubifs_err(c, "bad key order (keys %d and %d)", i, i + 1);
err = 6;
goto out_dump;
} else if (cmp == 0 && !is_hash_key(c, key1)) {
/* These can only be keys with colliding hash */
ubifs_err("keys %d and %d are not hashed but equivalent",
ubifs_err(c, "keys %d and %d are not hashed but equivalent",
i, i + 1);
err = 7;
goto out_dump;
@ -386,7 +386,7 @@ static int read_znode(struct ubifs_info *c, int lnum, int offs, int len,
return 0;
out_dump:
ubifs_err("bad indexing node at LEB %d:%d, error %d", lnum, offs, err);
ubifs_err(c, "bad indexing node at LEB %d:%d, error %d", lnum, offs, err);
ubifs_dump_node(c, idx);
kfree(idx);
return -EINVAL;
@ -482,7 +482,7 @@ int ubifs_tnc_read_node(struct ubifs_info *c, struct ubifs_zbranch *zbr,
/* Make sure the key of the read node is correct */
key_read(c, node + UBIFS_KEY_OFFSET, &key1);
if (!keys_eq(c, key, &key1)) {
ubifs_err("bad key in node at LEB %d:%d",
ubifs_err(c, "bad key in node at LEB %d:%d",
zbr->lnum, zbr->offs);
dbg_tnck(key, "looked for key ");
dbg_tnck(&key1, "but found node's key ");

40
fs/ubifs/ubifs.h
View File

@ -43,15 +43,19 @@
#define UBIFS_VERSION 1
/* Normal UBIFS messages */
#define ubifs_msg(fmt, ...) pr_notice("UBIFS: " fmt "\n", ##__VA_ARGS__)
#define ubifs_msg(c, fmt, ...) \
pr_notice("UBIFS (ubi%d:%d): " fmt "\n", \
(c)->vi.ubi_num, (c)->vi.vol_id, ##__VA_ARGS__)
/* UBIFS error messages */
#define ubifs_err(fmt, ...) \
pr_err("UBIFS error (pid %d): %s: " fmt "\n", current->pid, \
#define ubifs_err(c, fmt, ...) \
pr_err("UBIFS error (ubi%d:%d pid %d): %s: " fmt "\n", \
(c)->vi.ubi_num, (c)->vi.vol_id, current->pid, \
__func__, ##__VA_ARGS__)
/* UBIFS warning messages */
#define ubifs_warn(fmt, ...) \
pr_warn("UBIFS warning (pid %d): %s: " fmt "\n", \
current->pid, __func__, ##__VA_ARGS__)
#define ubifs_warn(c, fmt, ...) \
pr_warn("UBIFS warning (ubi%d:%d pid %d): %s: " fmt "\n", \
(c)->vi.ubi_num, (c)->vi.vol_id, current->pid, \
__func__, ##__VA_ARGS__)
/*
* A variant of 'ubifs_err()' which takes the UBIFS file-sytem description
* object as an argument.
@ -59,7 +63,7 @@
#define ubifs_errc(c, fmt, ...) \
do { \
if (!(c)->probing) \
ubifs_err(fmt, ##__VA_ARGS__); \
ubifs_err(c, fmt, ##__VA_ARGS__); \
} while (0)
/* UBIFS file system VFS magic number */
@ -158,7 +162,7 @@
#define WORST_COMPR_FACTOR 2
/*
* How much memory is needed for a buffer where we comress a data node.
* How much memory is needed for a buffer where we compress a data node.
*/
#define COMPRESSED_DATA_NODE_BUF_SZ \
(UBIFS_DATA_NODE_SZ + UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR)
@ -664,7 +668,7 @@ typedef int (*ubifs_lpt_scan_callback)(struct ubifs_info *c,
* @lock: serializes @buf, @lnum, @offs, @avail, @used, @next_ino and @inodes
* fields
* @softlimit: soft write-buffer timeout interval
* @delta: hard and soft timeouts delta (the timer expire inteval is @softlimit
* @delta: hard and soft timeouts delta (the timer expire interval is @softlimit
* and @softlimit + @delta)
* @timer: write-buffer timer
* @no_timer: non-zero if this write-buffer does not have a timer
@ -930,9 +934,9 @@ struct ubifs_orphan {
/**
* struct ubifs_mount_opts - UBIFS-specific mount options information.
* @unmount_mode: selected unmount mode (%0 default, %1 normal, %2 fast)
* @bulk_read: enable/disable bulk-reads (%0 default, %1 disabe, %2 enable)
* @bulk_read: enable/disable bulk-reads (%0 default, %1 disable, %2 enable)
* @chk_data_crc: enable/disable CRC data checking when reading data nodes
* (%0 default, %1 disabe, %2 enable)
* (%0 default, %1 disable, %2 enable)
* @override_compr: override default compressor (%0 - do not override and use
* superblock compressor, %1 - override and use compressor
* specified in @compr_type)
@ -962,9 +966,9 @@ struct ubifs_mount_opts {
* optimization)
* @nospace_rp: the same as @nospace, but additionally means that even reserved
* pool is full
* @page_budget: budget for a page (constant, nenver changed after mount)
* @inode_budget: budget for an inode (constant, nenver changed after mount)
* @dent_budget: budget for a directory entry (constant, nenver changed after
* @page_budget: budget for a page (constant, never changed after mount)
* @inode_budget: budget for an inode (constant, never changed after mount)
* @dent_budget: budget for a directory entry (constant, never changed after
* mount)
*/
struct ubifs_budg_info {
@ -1787,10 +1791,10 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
/* compressor.c */
int __init ubifs_compressors_init(void);
void ubifs_compressors_exit(void);
void ubifs_compress(const void *in_buf, int in_len, void *out_buf, int *out_len,
int *compr_type);
int ubifs_decompress(const void *buf, int len, void *out, int *out_len,
int compr_type);
void ubifs_compress(const struct ubifs_info *c, const void *in_buf, int in_len,
void *out_buf, int *out_len, int *compr_type);
int ubifs_decompress(const struct ubifs_info *c, const void *buf, int len,
void *out, int *out_len, int compr_type);
#include "debug.h"
#include "misc.h"

18
fs/ubifs/xattr.c
View File

@ -108,7 +108,7 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
.dirtied_ino_d = ALIGN(host_ui->data_len, 8) };
if (host_ui->xattr_cnt >= MAX_XATTRS_PER_INODE) {
ubifs_err("inode %lu already has too many xattrs (%d), cannot create more",
ubifs_err(c, "inode %lu already has too many xattrs (%d), cannot create more",
host->i_ino, host_ui->xattr_cnt);
return -ENOSPC;
}
@ -120,7 +120,7 @@ static int create_xattr(struct ubifs_info *c, struct inode *host,
*/
names_len = host_ui->xattr_names + host_ui->xattr_cnt + nm->len + 1;
if (names_len > XATTR_LIST_MAX) {
ubifs_err("cannot add one more xattr name to inode %lu, total names length would become %d, max. is %d",
ubifs_err(c, "cannot add one more xattr name to inode %lu, total names length would become %d, max. is %d",
host->i_ino, names_len, XATTR_LIST_MAX);
return -ENOSPC;
}
@ -288,13 +288,13 @@ static struct inode *iget_xattr(struct ubifs_info *c, ino_t inum)
inode = ubifs_iget(c->vfs_sb, inum);
if (IS_ERR(inode)) {
ubifs_err("dead extended attribute entry, error %d",
ubifs_err(c, "dead extended attribute entry, error %d",
(int)PTR_ERR(inode));
return inode;
}
if (ubifs_inode(inode)->xattr)
return inode;
ubifs_err("corrupt extended attribute entry");
ubifs_err(c, "corrupt extended attribute entry");
iput(inode);
return ERR_PTR(-EINVAL);
}
@ -412,7 +412,7 @@ ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf,
if (buf) {
/* If @buf is %NULL we are supposed to return the length */
if (ui->data_len > size) {
ubifs_err("buffer size %zd, xattr len %d",
ubifs_err(c, "buffer size %zd, xattr len %d",
size, ui->data_len);
err = -ERANGE;
goto out_iput;
@ -485,7 +485,7 @@ ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size)
kfree(pxent);
if (err != -ENOENT) {
ubifs_err("cannot find next direntry, error %d", err);
ubifs_err(c, "cannot find next direntry, error %d", err);
return err;
}
@ -657,8 +657,10 @@ int ubifs_init_security(struct inode *dentry, struct inode *inode,
&init_xattrs, 0);
mutex_unlock(&inode->i_mutex);
if (err)
ubifs_err("cannot initialize security for inode %lu, error %d",
if (err) {
struct ubifs_info *c = dentry->i_sb->s_fs_info;
ubifs_err(c, "cannot initialize security for inode %lu, error %d",
inode->i_ino, err);
}
return err;
}