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This pull request contains updates for both UBI and UBIFS: 

- Minor bug fixes and improvements
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Merge tag 'tags/upstream-4.17-rc1' of git://git.infradead.org/linux-ubifs

Pull UBI and UBIFS updates from Richard Weinberger:
 "Minor bug fixes and improvements"

* tag 'tags/upstream-4.17-rc1' of git://git.infradead.org/linux-ubifs:
  ubi: Reject MLC NAND
  ubifs: Remove useless parameter of lpt_heap_replace
  ubifs: Constify struct ubifs_lprops in scan_for_leb_for_idx
  ubifs: remove unnecessary assignment
  ubi: Fix error for write access
  ubi: fastmap: Don't flush fastmap work on detach
  ubifs: Check ubifs_wbuf_sync() return code
This commit is contained in:
Linus Torvalds 2018-04-11 16:39:34 -07:00
parent 375479c386 b5094b7f13
commit 77cb51e65d
7 changed files with 24 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -244,7 +244,7 @@ static int ubiblock_open(struct block_device *bdev, fmode_t mode)
* in any case.
*/
if (mode & FMODE_WRITE) {
ret = -EPERM;
ret = -EROFS;
goto out_unlock;
}

11
drivers/mtd/ubi/build.c
View File

@ -854,6 +854,17 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
return -EINVAL;
}
/*
* Both UBI and UBIFS have been designed for SLC NAND and NOR flashes.
* MLC NAND is different and needs special care, otherwise UBI or UBIFS
* will die soon and you will lose all your data.
*/
if (mtd->type == MTD_MLCNANDFLASH) {
pr_err("ubi: refuse attaching mtd%d - MLC NAND is not supported\n",
mtd->index);
return -EINVAL;
}
if (ubi_num == UBI_DEV_NUM_AUTO) {
/* Search for an empty slot in the @ubi_devices array */
for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++)

1
drivers/mtd/ubi/fastmap-wl.c
View File

@ -362,7 +362,6 @@ 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);

2
fs/ubifs/find.c
View File

@ -632,7 +632,7 @@ static int scan_for_idx_cb(struct ubifs_info *c,
*/
static const struct ubifs_lprops *scan_for_leb_for_idx(struct ubifs_info *c)
{
struct ubifs_lprops *lprops;
const struct ubifs_lprops *lprops;
struct scan_data data;
int err;

4
fs/ubifs/lprops.c
View File

@ -244,7 +244,6 @@ static void remove_from_lpt_heap(struct ubifs_info *c,
/**
* lpt_heap_replace - replace lprops in a category heap.
* @c: UBIFS file-system description object
* @old_lprops: LEB properties to replace
* @new_lprops: LEB properties with which to replace
* @cat: LEB category
*
@ -254,7 +253,6 @@ static void remove_from_lpt_heap(struct ubifs_info *c,
* lprops. This function does that.
*/
static void lpt_heap_replace(struct ubifs_info *c,
struct ubifs_lprops *old_lprops,
struct ubifs_lprops *new_lprops, int cat)
{
struct ubifs_lpt_heap *heap;
@ -362,7 +360,7 @@ void ubifs_replace_cat(struct ubifs_info *c, struct ubifs_lprops *old_lprops,
case LPROPS_DIRTY:
case LPROPS_DIRTY_IDX:
case LPROPS_FREE:
lpt_heap_replace(c, old_lprops, new_lprops, cat);
lpt_heap_replace(c, new_lprops, cat);
break;
case LPROPS_UNCAT:
case LPROPS_EMPTY:

1
fs/ubifs/scan.c
View File

@ -175,7 +175,6 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum,
void ubifs_end_scan(const struct ubifs_info *c, struct ubifs_scan_leb *sleb,
int lnum, int offs)
{
lnum = lnum;
dbg_scan("stop scanning LEB %d at offset %d", lnum, offs);
ubifs_assert(offs % c->min_io_size == 0);

14
fs/ubifs/super.c
View File

@ -1737,8 +1737,11 @@ static void ubifs_remount_ro(struct ubifs_info *c)
dbg_save_space_info(c);
for (i = 0; i < c->jhead_cnt; i++)
ubifs_wbuf_sync(&c->jheads[i].wbuf);
for (i = 0; i < c->jhead_cnt; i++) {
err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
if (err)
ubifs_ro_mode(c, err);
}
c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_DIRTY);
c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
@ -1804,8 +1807,11 @@ static void ubifs_put_super(struct super_block *sb)
int err;
/* Synchronize write-buffers */
for (i = 0; i < c->jhead_cnt; i++)
ubifs_wbuf_sync(&c->jheads[i].wbuf);
for (i = 0; i < c->jhead_cnt; i++) {
err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
if (err)
ubifs_ro_mode(c, err);
}
/*
* We are being cleanly unmounted which means the