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nilfs2: reduce bare use of printk() with nilfs_msg() 

Replace most use of printk() in nilfs2 implementation with nilfs_msg(),
and reduce the following checkpatch.pl warning:

  "WARNING: Prefer [subsystem eg: netdev]_crit([subsystem]dev, ...
   then dev_crit(dev, ... then pr_crit(...  to printk(KERN_CRIT ..."

This patch also fixes a minor checkpatch warning "WARNING: quoted string
split across lines" that often accompanies the prior warning, and amends
message format as needed.

Link: http://lkml.kernel.org/r/1464875891-5443-5-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ryusuke Konishi 2016-08-02 14:05:10 -07:00 committed by Linus Torvalds
parent 6625689e15
commit feee880fa5
13 changed files with 283 additions and 275 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
fs/nilfs2/btree.c
View File

@ -339,12 +339,14 @@ static int nilfs_btree_node_lookup(const struct nilfs_btree_node *node,
* nilfs_btree_node_broken - verify consistency of btree node * nilfs_btree_node_broken - verify consistency of btree node
* @node: btree node block to be examined * @node: btree node block to be examined
* @size: node size (in bytes) * @size: node size (in bytes)
* @inode: host inode of btree
* @blocknr: block number * @blocknr: block number
* *
* Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned. * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned.
*/ */
static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
size_t size, sector_t blocknr) size_t size, struct inode *inode,
sector_t blocknr)
{ {
int level, flags, nchildren; int level, flags, nchildren;
int ret = 0; int ret = 0;
@ -358,9 +360,10 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
(flags & NILFS_BTREE_NODE_ROOT) || (flags & NILFS_BTREE_NODE_ROOT) ||
nchildren < 0 || nchildren < 0 ||
nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) { nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) {
printk(KERN_CRIT "NILFS: bad btree node (blocknr=%llu): " nilfs_msg(inode->i_sb, KERN_CRIT,
"level = %d, flags = 0x%x, nchildren = %d\n", "bad btree node (ino=%lu, blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d",
(unsigned long long)blocknr, level, flags, nchildren); inode->i_ino, (unsigned long long)blocknr, level,
flags, nchildren);
ret = 1; ret = 1;
} }
return ret; return ret;
@ -369,12 +372,12 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
/** /**
* nilfs_btree_root_broken - verify consistency of btree root node * nilfs_btree_root_broken - verify consistency of btree root node
* @node: btree root node to be examined * @node: btree root node to be examined
* @ino: inode number * @inode: host inode of btree
* *
* Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned. * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned.
*/ */
static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
unsigned long ino) struct inode *inode)
{ {
int level, flags, nchildren; int level, flags, nchildren;
int ret = 0; int ret = 0;
@ -387,8 +390,9 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
level >= NILFS_BTREE_LEVEL_MAX || level >= NILFS_BTREE_LEVEL_MAX ||
nchildren < 0 || nchildren < 0 ||
nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) { nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) {
pr_crit("NILFS: bad btree root (inode number=%lu): level = %d, flags = 0x%x, nchildren = %d\n", nilfs_msg(inode->i_sb, KERN_CRIT,
ino, level, flags, nchildren); "bad btree root (ino=%lu): level = %d, flags = 0x%x, nchildren = %d",
inode->i_ino, level, flags, nchildren);
ret = 1; ret = 1;
} }
return ret; return ret;
@ -396,13 +400,15 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
int nilfs_btree_broken_node_block(struct buffer_head *bh) int nilfs_btree_broken_node_block(struct buffer_head *bh)
{ {
struct inode *inode;
int ret; int ret;
if (buffer_nilfs_checked(bh)) if (buffer_nilfs_checked(bh))
return 0; return 0;
inode = bh->b_page->mapping->host;
ret = nilfs_btree_node_broken((struct nilfs_btree_node *)bh->b_data, ret = nilfs_btree_node_broken((struct nilfs_btree_node *)bh->b_data,
bh->b_size, bh->b_blocknr); bh->b_size, inode, bh->b_blocknr);
if (likely(!ret)) if (likely(!ret))
set_buffer_nilfs_checked(bh); set_buffer_nilfs_checked(bh);
return ret; return ret;
@ -448,13 +454,15 @@ nilfs_btree_get_node(const struct nilfs_bmap *btree,
return node; return node;
} }
static int static int nilfs_btree_bad_node(const struct nilfs_bmap *btree,
nilfs_btree_bad_node(struct nilfs_btree_node *node, int level) struct nilfs_btree_node *node, int level)
{ {
if (unlikely(nilfs_btree_node_get_level(node) != level)) { if (unlikely(nilfs_btree_node_get_level(node) != level)) {
dump_stack(); dump_stack();
printk(KERN_CRIT "NILFS: btree level mismatch: %d != %d\n", nilfs_msg(btree->b_inode->i_sb, KERN_CRIT,
nilfs_btree_node_get_level(node), level); "btree level mismatch (ino=%lu): %d != %d",
btree->b_inode->i_ino,
nilfs_btree_node_get_level(node), level);
return 1; return 1;
} }
return 0; return 0;
@ -568,7 +576,7 @@ static int nilfs_btree_do_lookup(const struct nilfs_bmap *btree,
return ret; return ret;
node = nilfs_btree_get_nonroot_node(path, level); node = nilfs_btree_get_nonroot_node(path, level);
if (nilfs_btree_bad_node(node, level)) if (nilfs_btree_bad_node(btree, node, level))
return -EINVAL; return -EINVAL;
if (!found) if (!found)
found = nilfs_btree_node_lookup(node, key, &index); found = nilfs_btree_node_lookup(node, key, &index);
@ -616,7 +624,7 @@ static int nilfs_btree_do_lookup_last(const struct nilfs_bmap *btree,
if (ret < 0) if (ret < 0)
return ret; return ret;
node = nilfs_btree_get_nonroot_node(path, level); node = nilfs_btree_get_nonroot_node(path, level);
if (nilfs_btree_bad_node(node, level)) if (nilfs_btree_bad_node(btree, node, level))
return -EINVAL; return -EINVAL;
index = nilfs_btree_node_get_nchildren(node) - 1; index = nilfs_btree_node_get_nchildren(node) - 1;
ptr = nilfs_btree_node_get_ptr(node, index, ncmax); ptr = nilfs_btree_node_get_ptr(node, index, ncmax);
@ -2072,8 +2080,10 @@ static int nilfs_btree_propagate(struct nilfs_bmap *btree,
ret = nilfs_btree_do_lookup(btree, path, key, NULL, level + 1, 0); ret = nilfs_btree_do_lookup(btree, path, key, NULL, level + 1, 0);
if (ret < 0) { if (ret < 0) {
if (unlikely(ret == -ENOENT)) if (unlikely(ret == -ENOENT))
printk(KERN_CRIT "%s: key = %llu, level == %d\n", nilfs_msg(btree->b_inode->i_sb, KERN_CRIT,
__func__, (unsigned long long)key, level); "writing node/leaf block does not appear in b-tree (ino=%lu) at key=%llu, level=%d",
btree->b_inode->i_ino,
(unsigned long long)key, level);
goto out; goto out;
} }
@ -2110,12 +2120,11 @@ static void nilfs_btree_add_dirty_buffer(struct nilfs_bmap *btree,
if (level < NILFS_BTREE_LEVEL_NODE_MIN || if (level < NILFS_BTREE_LEVEL_NODE_MIN ||
level >= NILFS_BTREE_LEVEL_MAX) { level >= NILFS_BTREE_LEVEL_MAX) {
dump_stack(); dump_stack();
printk(KERN_WARNING nilfs_msg(btree->b_inode->i_sb, KERN_WARNING,
"%s: invalid btree level: %d (key=%llu, ino=%lu, " "invalid btree level: %d (key=%llu, ino=%lu, blocknr=%llu)",
"blocknr=%llu)\n", level, (unsigned long long)key,
__func__, level, (unsigned long long)key, btree->b_inode->i_ino,
NILFS_BMAP_I(btree)->vfs_inode.i_ino, (unsigned long long)bh->b_blocknr);
(unsigned long long)bh->b_blocknr);
return; return;
} }
@ -2394,8 +2403,7 @@ int nilfs_btree_init(struct nilfs_bmap *bmap)
__nilfs_btree_init(bmap); __nilfs_btree_init(bmap);
if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap), if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap), bmap->b_inode))
bmap->b_inode->i_ino))
ret = -EIO; ret = -EIO;
return ret; return ret;
} }

22
fs/nilfs2/cpfile.c
View File

@ -332,9 +332,9 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
int ret, ncps, nicps, nss, count, i; int ret, ncps, nicps, nss, count, i;
if (unlikely(start == 0 || start > end)) { if (unlikely(start == 0 || start > end)) {
printk(KERN_ERR "%s: invalid range of checkpoint numbers: " nilfs_msg(cpfile->i_sb, KERN_ERR,
"[%llu, %llu)\n", __func__, "cannot delete checkpoints: invalid range [%llu, %llu)",
(unsigned long long)start, (unsigned long long)end); (unsigned long long)start, (unsigned long long)end);
return -EINVAL; return -EINVAL;
} }
@ -386,9 +386,9 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile,
cpfile, cno); cpfile, cno);
if (ret == 0) if (ret == 0)
continue; continue;
printk(KERN_ERR nilfs_msg(cpfile->i_sb, KERN_ERR,
"%s: cannot delete block\n", "error %d deleting checkpoint block",
__func__); ret);
break; break;
} }
} }
@ -991,14 +991,12 @@ int nilfs_cpfile_read(struct super_block *sb, size_t cpsize,
int err; int err;
if (cpsize > sb->s_blocksize) { if (cpsize > sb->s_blocksize) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: too large checkpoint size: %zu bytes.\n", "too large checkpoint size: %zu bytes", cpsize);
cpsize);
return -EINVAL; return -EINVAL;
} else if (cpsize < NILFS_MIN_CHECKPOINT_SIZE) { } else if (cpsize < NILFS_MIN_CHECKPOINT_SIZE) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: too small checkpoint size: %zu bytes.\n", "too small checkpoint size: %zu bytes", cpsize);
cpsize);
return -EINVAL; return -EINVAL;
} }

19
fs/nilfs2/dat.c
View File

@ -349,10 +349,11 @@ int nilfs_dat_move(struct inode *dat, __u64 vblocknr, sector_t blocknr)
kaddr = kmap_atomic(entry_bh->b_page); kaddr = kmap_atomic(entry_bh->b_page);
entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr); entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);
if (unlikely(entry->de_blocknr == cpu_to_le64(0))) { if (unlikely(entry->de_blocknr == cpu_to_le64(0))) {
printk(KERN_CRIT "%s: vbn = %llu, [%llu, %llu)\n", __func__, nilfs_msg(dat->i_sb, KERN_CRIT,
(unsigned long long)vblocknr, "%s: invalid vblocknr = %llu, [%llu, %llu)",
(unsigned long long)le64_to_cpu(entry->de_start), __func__, (unsigned long long)vblocknr,
(unsigned long long)le64_to_cpu(entry->de_end)); (unsigned long long)le64_to_cpu(entry->de_start),
(unsigned long long)le64_to_cpu(entry->de_end));
kunmap_atomic(kaddr); kunmap_atomic(kaddr);
brelse(entry_bh); brelse(entry_bh);
return -EINVAL; return -EINVAL;
@ -479,14 +480,12 @@ int nilfs_dat_read(struct super_block *sb, size_t entry_size,
int err; int err;
if (entry_size > sb->s_blocksize) { if (entry_size > sb->s_blocksize) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR, "too large DAT entry size: %zu bytes",
"NILFS: too large DAT entry size: %zu bytes.\n", entry_size);
entry_size);
return -EINVAL; return -EINVAL;
} else if (entry_size < NILFS_MIN_DAT_ENTRY_SIZE) { } else if (entry_size < NILFS_MIN_DAT_ENTRY_SIZE) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR, "too small DAT entry size: %zu bytes",
"NILFS: too small DAT entry size: %zu bytes.\n", entry_size);
entry_size);
return -EINVAL; return -EINVAL;
} }

10
fs/nilfs2/direct.c
View File

@ -337,14 +337,16 @@ static int nilfs_direct_assign(struct nilfs_bmap *bmap,
key = nilfs_bmap_data_get_key(bmap, *bh); key = nilfs_bmap_data_get_key(bmap, *bh);
if (unlikely(key > NILFS_DIRECT_KEY_MAX)) { if (unlikely(key > NILFS_DIRECT_KEY_MAX)) {
printk(KERN_CRIT "%s: invalid key: %llu\n", __func__, nilfs_msg(bmap->b_inode->i_sb, KERN_CRIT,
(unsigned long long)key); "%s (ino=%lu): invalid key: %llu", __func__,
bmap->b_inode->i_ino, (unsigned long long)key);
return -EINVAL; return -EINVAL;
} }
ptr = nilfs_direct_get_ptr(bmap, key); ptr = nilfs_direct_get_ptr(bmap, key);
if (unlikely(ptr == NILFS_BMAP_INVALID_PTR)) { if (unlikely(ptr == NILFS_BMAP_INVALID_PTR)) {
printk(KERN_CRIT "%s: invalid pointer: %llu\n", __func__, nilfs_msg(bmap->b_inode->i_sb, KERN_CRIT,
(unsigned long long)ptr); "%s (ino=%lu): invalid pointer: %llu", __func__,
bmap->b_inode->i_ino, (unsigned long long)ptr);
return -EINVAL; return -EINVAL;
} }

11
fs/nilfs2/inode.c
View File

@ -112,13 +112,10 @@ int nilfs_get_block(struct inode *inode, sector_t blkoff,
* However, the page having this block must * However, the page having this block must
* be locked in this case. * be locked in this case.
*/ */
printk(KERN_WARNING nilfs_msg(inode->i_sb, KERN_WARNING,
"nilfs_get_block: a race condition " "%s (ino=%lu): a race condition while inserting a data block at offset=%llu",
"while inserting a data block. " __func__, inode->i_ino,
"(inode number=%lu, file block " (unsigned long long)blkoff);
"offset=%llu)\n",
inode->i_ino,
(unsigned long long)blkoff);
err = 0; err = 0;
} }
nilfs_transaction_abort(inode->i_sb); nilfs_transaction_abort(inode->i_sb);

47
fs/nilfs2/ioctl.c
View File

@ -584,27 +584,25 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode,
if (unlikely(ret < 0)) { if (unlikely(ret < 0)) {
if (ret == -ENOENT) if (ret == -ENOENT)
printk(KERN_CRIT nilfs_msg(inode->i_sb, KERN_CRIT,
"%s: invalid virtual block address (%s): " "%s: invalid virtual block address (%s): ino=%llu, cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu",
"ino=%llu, cno=%llu, offset=%llu, " __func__, vdesc->vd_flags ? "node" : "data",
"blocknr=%llu, vblocknr=%llu\n", (unsigned long long)vdesc->vd_ino,
__func__, vdesc->vd_flags ? "node" : "data", (unsigned long long)vdesc->vd_cno,
(unsigned long long)vdesc->vd_ino, (unsigned long long)vdesc->vd_offset,
(unsigned long long)vdesc->vd_cno, (unsigned long long)vdesc->vd_blocknr,
(unsigned long long)vdesc->vd_offset, (unsigned long long)vdesc->vd_vblocknr);
(unsigned long long)vdesc->vd_blocknr,
(unsigned long long)vdesc->vd_vblocknr);
return ret; return ret;
} }
if (unlikely(!list_empty(&bh->b_assoc_buffers))) { if (unlikely(!list_empty(&bh->b_assoc_buffers))) {
printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, " nilfs_msg(inode->i_sb, KERN_CRIT,
"cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n", "%s: conflicting %s buffer: ino=%llu, cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu",
__func__, vdesc->vd_flags ? "node" : "data", __func__, vdesc->vd_flags ? "node" : "data",
(unsigned long long)vdesc->vd_ino, (unsigned long long)vdesc->vd_ino,
(unsigned long long)vdesc->vd_cno, (unsigned long long)vdesc->vd_cno,
(unsigned long long)vdesc->vd_offset, (unsigned long long)vdesc->vd_offset,
(unsigned long long)vdesc->vd_blocknr, (unsigned long long)vdesc->vd_blocknr,
(unsigned long long)vdesc->vd_vblocknr); (unsigned long long)vdesc->vd_vblocknr);
brelse(bh); brelse(bh);
return -EEXIST; return -EEXIST;
} }
@ -854,8 +852,8 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
return 0; return 0;
failed: failed:
printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n", nilfs_msg(nilfs->ns_sb, KERN_ERR, "error %d preparing GC: %s", ret,
msg, ret); msg);
return ret; return ret;
} }
@ -963,10 +961,11 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
} }
ret = nilfs_ioctl_move_blocks(inode->i_sb, &argv[0], kbufs[0]); ret = nilfs_ioctl_move_blocks(inode->i_sb, &argv[0], kbufs[0]);
if (ret < 0) if (ret < 0) {
printk(KERN_ERR "NILFS: GC failed during preparation: " nilfs_msg(inode->i_sb, KERN_ERR,
"cannot read source blocks: err=%d\n", ret); "error %d preparing GC: cannot read source blocks",
else { ret);
} else {
if (nilfs_sb_need_update(nilfs)) if (nilfs_sb_need_update(nilfs))
set_nilfs_discontinued(nilfs); set_nilfs_discontinued(nilfs);
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs); ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);

72
fs/nilfs2/recovery.c
View File

@ -54,38 +54,37 @@ struct nilfs_recovery_block {
}; };
static int nilfs_warn_segment_error(int err) static int nilfs_warn_segment_error(struct super_block *sb, int err)
{ {
const char *msg = NULL;
switch (err) { switch (err) {
case NILFS_SEG_FAIL_IO: case NILFS_SEG_FAIL_IO:
printk(KERN_WARNING nilfs_msg(sb, KERN_ERR, "I/O error reading segment");
"NILFS warning: I/O error on loading last segment\n");
return -EIO; return -EIO;
case NILFS_SEG_FAIL_MAGIC: case NILFS_SEG_FAIL_MAGIC:
printk(KERN_WARNING msg = "Magic number mismatch";
"NILFS warning: Segment magic number invalid\n");
break; break;
case NILFS_SEG_FAIL_SEQ: case NILFS_SEG_FAIL_SEQ:
printk(KERN_WARNING msg = "Sequence number mismatch";
"NILFS warning: Sequence number mismatch\n");
break; break;
case NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT: case NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT:
printk(KERN_WARNING msg = "Checksum error in super root";
"NILFS warning: Checksum error in super root\n");
break; break;
case NILFS_SEG_FAIL_CHECKSUM_FULL: case NILFS_SEG_FAIL_CHECKSUM_FULL:
printk(KERN_WARNING msg = "Checksum error in segment payload";
"NILFS warning: Checksum error in segment payload\n");
break; break;
case NILFS_SEG_FAIL_CONSISTENCY: case NILFS_SEG_FAIL_CONSISTENCY:
printk(KERN_WARNING msg = "Inconsistency found";
"NILFS warning: Inconsistent segment\n");
break; break;
case NILFS_SEG_NO_SUPER_ROOT: case NILFS_SEG_NO_SUPER_ROOT:
printk(KERN_WARNING msg = "No super root in the last segment";
"NILFS warning: No super root in the last segment\n");
break; break;
default:
nilfs_msg(sb, KERN_ERR, "unrecognized segment error %d", err);
return -EINVAL;
} }
nilfs_msg(sb, KERN_WARNING, "invalid segment: %s", msg);
return -EINVAL; return -EINVAL;
} }
@ -178,7 +177,7 @@ int nilfs_read_super_root_block(struct the_nilfs *nilfs, sector_t sr_block,
brelse(bh_sr); brelse(bh_sr);
failed: failed:
return nilfs_warn_segment_error(ret); return nilfs_warn_segment_error(nilfs->ns_sb, ret);
} }
/** /**
@ -553,11 +552,10 @@ static int nilfs_recover_dsync_blocks(struct the_nilfs *nilfs,
put_page(page); put_page(page);
failed_inode: failed_inode:
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: error recovering data block " "error %d recovering data block (ino=%lu, block-offset=%llu)",
"(err=%d, ino=%lu, block-offset=%llu)\n", err, (unsigned long)rb->ino,
err, (unsigned long)rb->ino, (unsigned long long)rb->blkoff);
(unsigned long long)rb->blkoff);
if (!err2) if (!err2)
err2 = err; err2 = err;
next: next:
@ -680,8 +678,8 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
} }
if (nsalvaged_blocks) { if (nsalvaged_blocks) {
printk(KERN_INFO "NILFS (device %s): salvaged %lu blocks\n", nilfs_msg(sb, KERN_INFO, "salvaged %lu blocks",
sb->s_id, nsalvaged_blocks); nsalvaged_blocks);
ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE; ri->ri_need_recovery = NILFS_RECOVERY_ROLLFORWARD_DONE;
} }
out: out:
@ -692,10 +690,9 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
confused: confused:
err = -EINVAL; err = -EINVAL;
failed: failed:
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS (device %s): Error roll-forwarding " "error %d roll-forwarding partial segment at blocknr = %llu",
"(err=%d, pseg block=%llu). ", err, (unsigned long long)pseg_start);
sb->s_id, err, (unsigned long long)pseg_start);
goto out; goto out;
} }
@ -715,9 +712,8 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs,
set_buffer_dirty(bh); set_buffer_dirty(bh);
err = sync_dirty_buffer(bh); err = sync_dirty_buffer(bh);
if (unlikely(err)) if (unlikely(err))
printk(KERN_WARNING nilfs_msg(nilfs->ns_sb, KERN_WARNING,
"NILFS warning: buffer sync write failed during " "buffer sync write failed during post-cleaning of recovery.");
"post-cleaning of recovery.\n");
brelse(bh); brelse(bh);
} }
@ -752,8 +748,8 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
err = nilfs_attach_checkpoint(sb, ri->ri_cno, true, &root); err = nilfs_attach_checkpoint(sb, ri->ri_cno, true, &root);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: error loading the latest checkpoint.\n"); "error %d loading the latest checkpoint", err);
return err; return err;
} }
@ -764,8 +760,9 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) { if (ri->ri_need_recovery == NILFS_RECOVERY_ROLLFORWARD_DONE) {
err = nilfs_prepare_segment_for_recovery(nilfs, sb, ri); err = nilfs_prepare_segment_for_recovery(nilfs, sb, ri);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR "NILFS: Error preparing segments for " nilfs_msg(sb, KERN_ERR,
"recovery.\n"); "error %d preparing segment for recovery",
err);
goto failed; goto failed;
} }
@ -778,8 +775,9 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
nilfs_detach_log_writer(sb); nilfs_detach_log_writer(sb);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR "NILFS: Oops! recovery failed. " nilfs_msg(sb, KERN_ERR,
"(err=%d)\n", err); "error %d writing segment for recovery",
err);
goto failed; goto failed;
} }
@ -961,5 +959,5 @@ int nilfs_search_super_root(struct the_nilfs *nilfs,
failed: failed:
brelse(bh_sum); brelse(bh_sum);
nilfs_dispose_segment_list(&segments); nilfs_dispose_segment_list(&segments);
return (ret < 0) ? ret : nilfs_warn_segment_error(ret); return ret < 0 ? ret : nilfs_warn_segment_error(nilfs->ns_sb, ret);
} }

6
fs/nilfs2/segbuf.c
View File

@ -514,7 +514,11 @@ static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf)
} while (--segbuf->sb_nbio > 0); } while (--segbuf->sb_nbio > 0);
if (unlikely(atomic_read(&segbuf->sb_err) > 0)) { if (unlikely(atomic_read(&segbuf->sb_err) > 0)) {
printk(KERN_ERR "NILFS: IO error writing segment\n"); nilfs_msg(segbuf->sb_super, KERN_ERR,
"I/O error writing log (start-blocknr=%llu, block-count=%lu) in segment %llu",
(unsigned long long)segbuf->sb_pseg_start,
segbuf->sb_sum.nblocks,
(unsigned long long)segbuf->sb_segnum);
err = -EIO; err = -EIO;
} }
return err; return err;

25
fs/nilfs2/segment.c
View File

@ -150,7 +150,8 @@ static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int);
#define nilfs_cnt32_lt(a, b) nilfs_cnt32_gt(b, a) #define nilfs_cnt32_lt(a, b) nilfs_cnt32_gt(b, a)
#define nilfs_cnt32_le(a, b) nilfs_cnt32_ge(b, a) #define nilfs_cnt32_le(a, b) nilfs_cnt32_ge(b, a)
static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti) static int nilfs_prepare_segment_lock(struct super_block *sb,
struct nilfs_transaction_info *ti)
{ {
struct nilfs_transaction_info *cur_ti = current->journal_info; struct nilfs_transaction_info *cur_ti = current->journal_info;
void *save = NULL; void *save = NULL;
@ -164,8 +165,7 @@ static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
* it is saved and will be restored on * it is saved and will be restored on
* nilfs_transaction_commit(). * nilfs_transaction_commit().
*/ */
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING, "journal info from a different FS");
"NILFS warning: journal info from a different FS\n");
save = current->journal_info; save = current->journal_info;
} }
if (!ti) { if (!ti) {
@ -215,7 +215,7 @@ int nilfs_transaction_begin(struct super_block *sb,
int vacancy_check) int vacancy_check)
{ {
struct the_nilfs *nilfs; struct the_nilfs *nilfs;
int ret = nilfs_prepare_segment_lock(ti); int ret = nilfs_prepare_segment_lock(sb, ti);
struct nilfs_transaction_info *trace_ti; struct nilfs_transaction_info *trace_ti;
if (unlikely(ret < 0)) if (unlikely(ret < 0))
@ -2467,9 +2467,9 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs, int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs,
sci->sc_nfreesegs); sci->sc_nfreesegs);
if (ret) { if (ret) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: error %d on discard request, " "error %d on discard request, turning discards off for the device",
"turning discards off for the device\n", ret); ret);
nilfs_clear_opt(nilfs, DISCARD); nilfs_clear_opt(nilfs, DISCARD);
} }
} }
@ -2551,10 +2551,9 @@ static int nilfs_segctor_thread(void *arg)
/* start sync. */ /* start sync. */
sci->sc_task = current; sci->sc_task = current;
wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */ wake_up(&sci->sc_wait_task); /* for nilfs_segctor_start_thread() */
printk(KERN_INFO nilfs_msg(sci->sc_super, KERN_INFO,
"segctord starting. Construction interval = %lu seconds, " "segctord starting. Construction interval = %lu seconds, CP frequency < %lu seconds",
"CP frequency < %lu seconds\n", sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
sci->sc_interval / HZ, sci->sc_mjcp_freq / HZ);
spin_lock(&sci->sc_state_lock); spin_lock(&sci->sc_state_lock);
loop: loop:
@ -2628,8 +2627,8 @@ static int nilfs_segctor_start_thread(struct nilfs_sc_info *sci)
if (IS_ERR(t)) { if (IS_ERR(t)) {
int err = PTR_ERR(t); int err = PTR_ERR(t);
printk(KERN_ERR "NILFS: error %d creating segctord thread\n", nilfs_msg(sci->sc_super, KERN_ERR,
err); "error %d creating segctord thread", err);
return err; return err;
} }
wait_event(sci->sc_wait_task, sci->sc_task != NULL); wait_event(sci->sc_wait_task, sci->sc_task != NULL);

31
fs/nilfs2/sufile.c
View File

@ -181,9 +181,9 @@ int nilfs_sufile_updatev(struct inode *sufile, __u64 *segnumv, size_t nsegs,
down_write(&NILFS_MDT(sufile)->mi_sem); down_write(&NILFS_MDT(sufile)->mi_sem);
for (seg = segnumv; seg < segnumv + nsegs; seg++) { for (seg = segnumv; seg < segnumv + nsegs; seg++) {
if (unlikely(*seg >= nilfs_sufile_get_nsegments(sufile))) { if (unlikely(*seg >= nilfs_sufile_get_nsegments(sufile))) {
printk(KERN_WARNING nilfs_msg(sufile->i_sb, KERN_WARNING,
"%s: invalid segment number: %llu\n", __func__, "%s: invalid segment number: %llu",
(unsigned long long)*seg); __func__, (unsigned long long)*seg);
nerr++; nerr++;
} }
} }
@ -240,8 +240,9 @@ int nilfs_sufile_update(struct inode *sufile, __u64 segnum, int create,
int ret; int ret;
if (unlikely(segnum >= nilfs_sufile_get_nsegments(sufile))) { if (unlikely(segnum >= nilfs_sufile_get_nsegments(sufile))) {
printk(KERN_WARNING "%s: invalid segment number: %llu\n", nilfs_msg(sufile->i_sb, KERN_WARNING,
__func__, (unsigned long long)segnum); "%s: invalid segment number: %llu",
__func__, (unsigned long long)segnum);
return -EINVAL; return -EINVAL;
} }
down_write(&NILFS_MDT(sufile)->mi_sem); down_write(&NILFS_MDT(sufile)->mi_sem);
@ -419,8 +420,9 @@ void nilfs_sufile_do_cancel_free(struct inode *sufile, __u64 segnum,
kaddr = kmap_atomic(su_bh->b_page); kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr); su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (unlikely(!nilfs_segment_usage_clean(su))) { if (unlikely(!nilfs_segment_usage_clean(su))) {
printk(KERN_WARNING "%s: segment %llu must be clean\n", nilfs_msg(sufile->i_sb, KERN_WARNING,
__func__, (unsigned long long)segnum); "%s: segment %llu must be clean", __func__,
(unsigned long long)segnum);
kunmap_atomic(kaddr); kunmap_atomic(kaddr);
return; return;
} }
@ -476,8 +478,9 @@ void nilfs_sufile_do_free(struct inode *sufile, __u64 segnum,
kaddr = kmap_atomic(su_bh->b_page); kaddr = kmap_atomic(su_bh->b_page);
su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr); su = nilfs_sufile_block_get_segment_usage(sufile, segnum, su_bh, kaddr);
if (nilfs_segment_usage_clean(su)) { if (nilfs_segment_usage_clean(su)) {
printk(KERN_WARNING "%s: segment %llu is already clean\n", nilfs_msg(sufile->i_sb, KERN_WARNING,
__func__, (unsigned long long)segnum); "%s: segment %llu is already clean",
__func__, (unsigned long long)segnum);
kunmap_atomic(kaddr); kunmap_atomic(kaddr);
return; return;
} }
@ -1175,14 +1178,12 @@ int nilfs_sufile_read(struct super_block *sb, size_t susize,
int err; int err;
if (susize > sb->s_blocksize) { if (susize > sb->s_blocksize) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: too large segment usage size: %zu bytes.\n", "too large segment usage size: %zu bytes", susize);
susize);
return -EINVAL; return -EINVAL;
} else if (susize < NILFS_MIN_SEGMENT_USAGE_SIZE) { } else if (susize < NILFS_MIN_SEGMENT_USAGE_SIZE) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: too small segment usage size: %zu bytes.\n", "too small segment usage size: %zu bytes", susize);
susize);
return -EINVAL; return -EINVAL;
} }

100
fs/nilfs2/super.c
View File

@ -214,8 +214,8 @@ static int nilfs_sync_super(struct super_block *sb, int flag)
} }
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR, "unable to write superblock: err=%d",
"NILFS: unable to write superblock (err=%d)\n", err); err);
if (err == -EIO && nilfs->ns_sbh[1]) { if (err == -EIO && nilfs->ns_sbh[1]) {
/* /*
* sbp[0] points to newer log than sbp[1], * sbp[0] points to newer log than sbp[1],
@ -285,8 +285,7 @@ struct nilfs_super_block **nilfs_prepare_super(struct super_block *sb,
sbp[1]->s_magic == cpu_to_le16(NILFS_SUPER_MAGIC)) { sbp[1]->s_magic == cpu_to_le16(NILFS_SUPER_MAGIC)) {
memcpy(sbp[0], sbp[1], nilfs->ns_sbsize); memcpy(sbp[0], sbp[1], nilfs->ns_sbsize);
} else { } else {
printk(KERN_CRIT "NILFS: superblock broke on dev %s\n", nilfs_msg(sb, KERN_CRIT, "superblock broke");
sb->s_id);
return NULL; return NULL;
} }
} else if (sbp[1] && } else if (sbp[1] &&
@ -396,9 +395,9 @@ static int nilfs_move_2nd_super(struct super_block *sb, loff_t sb2off)
offset = sb2off & (nilfs->ns_blocksize - 1); offset = sb2off & (nilfs->ns_blocksize - 1);
nsbh = sb_getblk(sb, newblocknr); nsbh = sb_getblk(sb, newblocknr);
if (!nsbh) { if (!nsbh) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: unable to move secondary superblock " "unable to move secondary superblock to block %llu",
"to block %llu\n", (unsigned long long)newblocknr); (unsigned long long)newblocknr);
ret = -EIO; ret = -EIO;
goto out; goto out;
} }
@ -561,10 +560,9 @@ int nilfs_attach_checkpoint(struct super_block *sb, __u64 cno, int curr_mnt,
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
if (unlikely(err)) { if (unlikely(err)) {
if (err == -ENOENT || err == -EINVAL) { if (err == -ENOENT || err == -EINVAL) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: Invalid checkpoint " "Invalid checkpoint (checkpoint number=%llu)",
"(checkpoint number=%llu)\n", (unsigned long long)cno);
(unsigned long long)cno);
err = -EINVAL; err = -EINVAL;
} }
goto failed; goto failed;
@ -660,9 +658,8 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf)
err = nilfs_ifile_count_free_inodes(root->ifile, err = nilfs_ifile_count_free_inodes(root->ifile,
&nmaxinodes, &nfreeinodes); &nmaxinodes, &nfreeinodes);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: fail to count free inodes: err %d.\n", "failed to count free inodes: err=%d", err);
err);
if (err == -ERANGE) { if (err == -ERANGE) {
/* /*
* If nilfs_palloc_count_max_entries() returns * If nilfs_palloc_count_max_entries() returns
@ -794,9 +791,9 @@ static int parse_options(char *options, struct super_block *sb, int is_remount)
break; break;
case Opt_snapshot: case Opt_snapshot:
if (is_remount) { if (is_remount) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: \"%s\" option is invalid " "\"%s\" option is invalid for remount",
"for remount.\n", p); p);
return 0; return 0;
} }
break; break;
@ -810,8 +807,8 @@ static int parse_options(char *options, struct super_block *sb, int is_remount)
nilfs_clear_opt(nilfs, DISCARD); nilfs_clear_opt(nilfs, DISCARD);
break; break;
default: default:
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: Unrecognized mount option \"%s\"\n", p); "unrecognized mount option \"%s\"", p);
return 0; return 0;
} }
} }
@ -847,12 +844,10 @@ static int nilfs_setup_super(struct super_block *sb, int is_mount)
mnt_count = le16_to_cpu(sbp[0]->s_mnt_count); mnt_count = le16_to_cpu(sbp[0]->s_mnt_count);
if (nilfs->ns_mount_state & NILFS_ERROR_FS) { if (nilfs->ns_mount_state & NILFS_ERROR_FS) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING, "mounting fs with errors");
"NILFS warning: mounting fs with errors\n");
#if 0 #if 0
} else if (max_mnt_count >= 0 && mnt_count >= max_mnt_count) { } else if (max_mnt_count >= 0 && mnt_count >= max_mnt_count) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING, "maximal mount count reached");
"NILFS warning: maximal mount count reached\n");
#endif #endif
} }
if (!max_mnt_count) if (!max_mnt_count)
@ -915,17 +910,17 @@ int nilfs_check_feature_compatibility(struct super_block *sb,
features = le64_to_cpu(sbp->s_feature_incompat) & features = le64_to_cpu(sbp->s_feature_incompat) &
~NILFS_FEATURE_INCOMPAT_SUPP; ~NILFS_FEATURE_INCOMPAT_SUPP;
if (features) { if (features) {
printk(KERN_ERR "NILFS: couldn't mount because of unsupported " nilfs_msg(sb, KERN_ERR,
"optional features (%llx)\n", "couldn't mount because of unsupported optional features (%llx)",
(unsigned long long)features); (unsigned long long)features);
return -EINVAL; return -EINVAL;
} }
features = le64_to_cpu(sbp->s_feature_compat_ro) & features = le64_to_cpu(sbp->s_feature_compat_ro) &
~NILFS_FEATURE_COMPAT_RO_SUPP; ~NILFS_FEATURE_COMPAT_RO_SUPP;
if (!(sb->s_flags & MS_RDONLY) && features) { if (!(sb->s_flags & MS_RDONLY) && features) {
printk(KERN_ERR "NILFS: couldn't mount RDWR because of " nilfs_msg(sb, KERN_ERR,
"unsupported optional features (%llx)\n", "couldn't mount RDWR because of unsupported optional features (%llx)",
(unsigned long long)features); (unsigned long long)features);
return -EINVAL; return -EINVAL;
} }
return 0; return 0;
@ -941,13 +936,13 @@ static int nilfs_get_root_dentry(struct super_block *sb,
inode = nilfs_iget(sb, root, NILFS_ROOT_INO); inode = nilfs_iget(sb, root, NILFS_ROOT_INO);
if (IS_ERR(inode)) { if (IS_ERR(inode)) {
printk(KERN_ERR "NILFS: get root inode failed\n");
ret = PTR_ERR(inode); ret = PTR_ERR(inode);
nilfs_msg(sb, KERN_ERR, "error %d getting root inode", ret);
goto out; goto out;
} }
if (!S_ISDIR(inode->i_mode) || !inode->i_blocks || !inode->i_size) { if (!S_ISDIR(inode->i_mode) || !inode->i_blocks || !inode->i_size) {
iput(inode); iput(inode);
printk(KERN_ERR "NILFS: corrupt root inode.\n"); nilfs_msg(sb, KERN_ERR, "corrupt root inode");
ret = -EINVAL; ret = -EINVAL;
goto out; goto out;
} }
@ -975,7 +970,7 @@ static int nilfs_get_root_dentry(struct super_block *sb,
return ret; return ret;
failed_dentry: failed_dentry:
printk(KERN_ERR "NILFS: get root dentry failed\n"); nilfs_msg(sb, KERN_ERR, "error %d getting root dentry", ret);
goto out; goto out;
} }
@ -995,18 +990,18 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
ret = (ret == -ENOENT) ? -EINVAL : ret; ret = (ret == -ENOENT) ? -EINVAL : ret;
goto out; goto out;
} else if (!ret) { } else if (!ret) {
printk(KERN_ERR "NILFS: The specified checkpoint is " nilfs_msg(s, KERN_ERR,
"not a snapshot (checkpoint number=%llu).\n", "The specified checkpoint is not a snapshot (checkpoint number=%llu)",
(unsigned long long)cno); (unsigned long long)cno);
ret = -EINVAL; ret = -EINVAL;
goto out; goto out;
} }
ret = nilfs_attach_checkpoint(s, cno, false, &root); ret = nilfs_attach_checkpoint(s, cno, false, &root);
if (ret) { if (ret) {
printk(KERN_ERR "NILFS: error loading snapshot " nilfs_msg(s, KERN_ERR,
"(checkpoint number=%llu).\n", "error %d while loading snapshot (checkpoint number=%llu)",
(unsigned long long)cno); ret, (unsigned long long)cno);
goto out; goto out;
} }
ret = nilfs_get_root_dentry(s, root, root_dentry); ret = nilfs_get_root_dentry(s, root, root_dentry);
@ -1101,8 +1096,9 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
cno = nilfs_last_cno(nilfs); cno = nilfs_last_cno(nilfs);
err = nilfs_attach_checkpoint(sb, cno, true, &fsroot); err = nilfs_attach_checkpoint(sb, cno, true, &fsroot);
if (err) { if (err) {
printk(KERN_ERR "NILFS: error loading last checkpoint " nilfs_msg(sb, KERN_ERR,
"(checkpoint number=%llu).\n", (unsigned long long)cno); "error %d while loading last checkpoint (checkpoint number=%llu)",
err, (unsigned long long)cno);
goto failed_unload; goto failed_unload;
} }
@ -1162,9 +1158,8 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
err = -EINVAL; err = -EINVAL;
if (!nilfs_valid_fs(nilfs)) { if (!nilfs_valid_fs(nilfs)) {
printk(KERN_WARNING "NILFS (device %s): couldn't " nilfs_msg(sb, KERN_WARNING,
"remount because the filesystem is in an " "couldn't remount because the filesystem is in an incomplete recovery state");
"incomplete recovery state.\n", sb->s_id);
goto restore_opts; goto restore_opts;
} }
@ -1196,10 +1191,9 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
~NILFS_FEATURE_COMPAT_RO_SUPP; ~NILFS_FEATURE_COMPAT_RO_SUPP;
up_read(&nilfs->ns_sem); up_read(&nilfs->ns_sem);
if (features) { if (features) {
printk(KERN_WARNING "NILFS (device %s): couldn't " nilfs_msg(sb, KERN_WARNING,
"remount RDWR because of unsupported optional " "couldn't remount RDWR because of unsupported optional features (%llx)",
"features (%llx)\n", (unsigned long long)features);
sb->s_id, (unsigned long long)features);
err = -EROFS; err = -EROFS;
goto restore_opts; goto restore_opts;
} }
@ -1262,8 +1256,8 @@ static int nilfs_identify(char *data, struct nilfs_super_data *sd)
} }
} }
if (ret) if (ret)
printk(KERN_ERR nilfs_msg(NULL, KERN_ERR,
"NILFS: invalid mount option: %s\n", p); "invalid mount option: %s", p);
} }
if (!options) if (!options)
break; break;
@ -1344,10 +1338,10 @@ nilfs_mount(struct file_system_type *fs_type, int flags,
} else if (!sd.cno) { } else if (!sd.cno) {
if (nilfs_tree_is_busy(s->s_root)) { if (nilfs_tree_is_busy(s->s_root)) {
if ((flags ^ s->s_flags) & MS_RDONLY) { if ((flags ^ s->s_flags) & MS_RDONLY) {
printk(KERN_ERR "NILFS: the device already " nilfs_msg(s, KERN_ERR,
"has a %s mount.\n", "the device already has a %s mount.",
(s->s_flags & MS_RDONLY) ? (s->s_flags & MS_RDONLY) ?
"read-only" : "read/write"); "read-only" : "read/write");
err = -EBUSY; err = -EBUSY;
goto failed_super; goto failed_super;
} }

30
fs/nilfs2/sysfs.c
View File

@ -272,8 +272,8 @@ nilfs_checkpoints_checkpoints_number_show(struct nilfs_checkpoints_attr *attr,
err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat); err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
if (err < 0) { if (err < 0) {
printk(KERN_ERR "NILFS: unable to get checkpoint stat: err=%d\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
err); "unable to get checkpoint stat: err=%d", err);
return err; return err;
} }
@ -295,8 +295,8 @@ nilfs_checkpoints_snapshots_number_show(struct nilfs_checkpoints_attr *attr,
err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat); err = nilfs_cpfile_get_stat(nilfs->ns_cpfile, &cpstat);
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
if (err < 0) { if (err < 0) {
printk(KERN_ERR "NILFS: unable to get checkpoint stat: err=%d\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
err); "unable to get checkpoint stat: err=%d", err);
return err; return err;
} }
@ -414,8 +414,8 @@ nilfs_segments_dirty_segments_show(struct nilfs_segments_attr *attr,
err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat); err = nilfs_sufile_get_stat(nilfs->ns_sufile, &sustat);
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
if (err < 0) { if (err < 0) {
printk(KERN_ERR "NILFS: unable to get segment stat: err=%d\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
err); "unable to get segment stat: err=%d", err);
return err; return err;
} }
@ -789,14 +789,15 @@ nilfs_superblock_sb_update_frequency_store(struct nilfs_superblock_attr *attr,
err = kstrtouint(skip_spaces(buf), 0, &val); err = kstrtouint(skip_spaces(buf), 0, &val);
if (err) { if (err) {
printk(KERN_ERR "NILFS: unable to convert string: err=%d\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
err); "unable to convert string: err=%d", err);
return err; return err;
} }
if (val < NILFS_SB_FREQ) { if (val < NILFS_SB_FREQ) {
val = NILFS_SB_FREQ; val = NILFS_SB_FREQ;
printk(KERN_WARNING "NILFS: superblock update frequency cannot be lesser than 10 seconds\n"); nilfs_msg(nilfs->ns_sb, KERN_WARNING,
"superblock update frequency cannot be lesser than 10 seconds");
} }
down_write(&nilfs->ns_sem); down_write(&nilfs->ns_sem);
@ -999,7 +1000,8 @@ int nilfs_sysfs_create_device_group(struct super_block *sb)
nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL); nilfs->ns_dev_subgroups = kzalloc(devgrp_size, GFP_KERNEL);
if (unlikely(!nilfs->ns_dev_subgroups)) { if (unlikely(!nilfs->ns_dev_subgroups)) {
err = -ENOMEM; err = -ENOMEM;
printk(KERN_ERR "NILFS: unable to allocate memory for device group\n"); nilfs_msg(sb, KERN_ERR,
"unable to allocate memory for device group");
goto failed_create_device_group; goto failed_create_device_group;
} }
@ -1109,15 +1111,15 @@ int __init nilfs_sysfs_init(void)
nilfs_kset = kset_create_and_add(NILFS_ROOT_GROUP_NAME, NULL, fs_kobj); nilfs_kset = kset_create_and_add(NILFS_ROOT_GROUP_NAME, NULL, fs_kobj);
if (!nilfs_kset) { if (!nilfs_kset) {
err = -ENOMEM; err = -ENOMEM;
printk(KERN_ERR "NILFS: unable to create sysfs entry: err %d\n", nilfs_msg(NULL, KERN_ERR,
err); "unable to create sysfs entry: err=%d", err);
goto failed_sysfs_init; goto failed_sysfs_init;
} }
err = sysfs_create_group(&nilfs_kset->kobj, &nilfs_feature_attr_group); err = sysfs_create_group(&nilfs_kset->kobj, &nilfs_feature_attr_group);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR "NILFS: unable to create feature group: err %d\n", nilfs_msg(NULL, KERN_ERR,
err); "unable to create feature group: err=%d", err);
goto cleanup_sysfs_init; goto cleanup_sysfs_init;
} }

127
fs/nilfs2/the_nilfs.c
View File

@ -192,7 +192,10 @@ static int nilfs_store_log_cursor(struct the_nilfs *nilfs,
nilfs_get_segnum_of_block(nilfs, nilfs->ns_last_pseg); nilfs_get_segnum_of_block(nilfs, nilfs->ns_last_pseg);
nilfs->ns_cno = nilfs->ns_last_cno + 1; nilfs->ns_cno = nilfs->ns_last_cno + 1;
if (nilfs->ns_segnum >= nilfs->ns_nsegments) { if (nilfs->ns_segnum >= nilfs->ns_nsegments) {
printk(KERN_ERR "NILFS invalid last segment number.\n"); nilfs_msg(nilfs->ns_sb, KERN_ERR,
"pointed segment number is out of range: segnum=%llu, nsegments=%lu",
(unsigned long long)nilfs->ns_segnum,
nilfs->ns_nsegments);
ret = -EINVAL; ret = -EINVAL;
} }
return ret; return ret;
@ -216,12 +219,12 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
int err; int err;
if (!valid_fs) { if (!valid_fs) {
printk(KERN_WARNING "NILFS warning: mounting unchecked fs\n"); nilfs_msg(sb, KERN_WARNING, "mounting unchecked fs");
if (s_flags & MS_RDONLY) { if (s_flags & MS_RDONLY) {
printk(KERN_INFO "NILFS: INFO: recovery " nilfs_msg(sb, KERN_INFO,
"required for readonly filesystem.\n"); "recovery required for readonly filesystem");
printk(KERN_INFO "NILFS: write access will " nilfs_msg(sb, KERN_INFO,
"be enabled during recovery.\n"); "write access will be enabled during recovery");
} }
} }
@ -236,13 +239,12 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
goto scan_error; goto scan_error;
if (!nilfs_valid_sb(sbp[1])) { if (!nilfs_valid_sb(sbp[1])) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: unable to fall back to spare" "unable to fall back to spare super block");
"super block\n");
goto scan_error; goto scan_error;
} }
printk(KERN_INFO nilfs_msg(sb, KERN_INFO,
"NILFS: try rollback from an earlier position\n"); "trying rollback from an earlier position");
/* /*
* restore super block with its spare and reconfigure * restore super block with its spare and reconfigure
@ -255,10 +257,9 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
/* verify consistency between two super blocks */ /* verify consistency between two super blocks */
blocksize = BLOCK_SIZE << le32_to_cpu(sbp[0]->s_log_block_size); blocksize = BLOCK_SIZE << le32_to_cpu(sbp[0]->s_log_block_size);
if (blocksize != nilfs->ns_blocksize) { if (blocksize != nilfs->ns_blocksize) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: blocksize differs between " "blocksize differs between two super blocks (%d != %d)",
"two super blocks (%d != %d)\n", blocksize, nilfs->ns_blocksize);
blocksize, nilfs->ns_blocksize);
goto scan_error; goto scan_error;
} }
@ -277,7 +278,8 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
err = nilfs_load_super_root(nilfs, sb, ri.ri_super_root); err = nilfs_load_super_root(nilfs, sb, ri.ri_super_root);
if (unlikely(err)) { if (unlikely(err)) {
printk(KERN_ERR "NILFS: error loading super root.\n"); nilfs_msg(sb, KERN_ERR, "error %d while loading super root",
err);
goto failed; goto failed;
} }
@ -288,30 +290,29 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
__u64 features; __u64 features;
if (nilfs_test_opt(nilfs, NORECOVERY)) { if (nilfs_test_opt(nilfs, NORECOVERY)) {
printk(KERN_INFO "NILFS: norecovery option specified. " nilfs_msg(sb, KERN_INFO,
"skipping roll-forward recovery\n"); "norecovery option specified, skipping roll-forward recovery");
goto skip_recovery; goto skip_recovery;
} }
features = le64_to_cpu(nilfs->ns_sbp[0]->s_feature_compat_ro) & features = le64_to_cpu(nilfs->ns_sbp[0]->s_feature_compat_ro) &
~NILFS_FEATURE_COMPAT_RO_SUPP; ~NILFS_FEATURE_COMPAT_RO_SUPP;
if (features) { if (features) {
printk(KERN_ERR "NILFS: couldn't proceed with " nilfs_msg(sb, KERN_ERR,
"recovery because of unsupported optional " "couldn't proceed with recovery because of unsupported optional features (%llx)",
"features (%llx)\n", (unsigned long long)features);
(unsigned long long)features);
err = -EROFS; err = -EROFS;
goto failed_unload; goto failed_unload;
} }
if (really_read_only) { if (really_read_only) {
printk(KERN_ERR "NILFS: write access " nilfs_msg(sb, KERN_ERR,
"unavailable, cannot proceed.\n"); "write access unavailable, cannot proceed");
err = -EROFS; err = -EROFS;
goto failed_unload; goto failed_unload;
} }
sb->s_flags &= ~MS_RDONLY; sb->s_flags &= ~MS_RDONLY;
} else if (nilfs_test_opt(nilfs, NORECOVERY)) { } else if (nilfs_test_opt(nilfs, NORECOVERY)) {
printk(KERN_ERR "NILFS: recovery cancelled because norecovery " nilfs_msg(sb, KERN_ERR,
"option was specified for a read/write mount\n"); "recovery cancelled because norecovery option was specified for a read/write mount");
err = -EINVAL; err = -EINVAL;
goto failed_unload; goto failed_unload;
} }
@ -326,11 +327,12 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
up_write(&nilfs->ns_sem); up_write(&nilfs->ns_sem);
if (err) { if (err) {
printk(KERN_ERR "NILFS: failed to update super block. " nilfs_msg(sb, KERN_ERR,
"recovery unfinished.\n"); "error %d updating super block. recovery unfinished.",
err);
goto failed_unload; goto failed_unload;
} }
printk(KERN_INFO "NILFS: recovery complete.\n"); nilfs_msg(sb, KERN_INFO, "recovery complete");
skip_recovery: skip_recovery:
nilfs_clear_recovery_info(&ri); nilfs_clear_recovery_info(&ri);
@ -338,7 +340,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
return 0; return 0;
scan_error: scan_error:
printk(KERN_ERR "NILFS: error searching super root.\n"); nilfs_msg(sb, KERN_ERR, "error %d while searching super root", err);
goto failed; goto failed;
failed_unload: failed_unload:
@ -385,12 +387,11 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
struct nilfs_super_block *sbp) struct nilfs_super_block *sbp)
{ {
if (le32_to_cpu(sbp->s_rev_level) < NILFS_MIN_SUPP_REV) { if (le32_to_cpu(sbp->s_rev_level) < NILFS_MIN_SUPP_REV) {
printk(KERN_ERR "NILFS: unsupported revision " nilfs_msg(nilfs->ns_sb, KERN_ERR,
"(superblock rev.=%d.%d, current rev.=%d.%d). " "unsupported revision (superblock rev.=%d.%d, current rev.=%d.%d). Please check the version of mkfs.nilfs(2).",
"Please check the version of mkfs.nilfs.\n", le32_to_cpu(sbp->s_rev_level),
le32_to_cpu(sbp->s_rev_level), le16_to_cpu(sbp->s_minor_rev_level),
le16_to_cpu(sbp->s_minor_rev_level), NILFS_CURRENT_REV, NILFS_MINOR_REV);
NILFS_CURRENT_REV, NILFS_MINOR_REV);
return -EINVAL; return -EINVAL;
} }
nilfs->ns_sbsize = le16_to_cpu(sbp->s_bytes); nilfs->ns_sbsize = le16_to_cpu(sbp->s_bytes);
@ -399,12 +400,14 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
nilfs->ns_inode_size = le16_to_cpu(sbp->s_inode_size); nilfs->ns_inode_size = le16_to_cpu(sbp->s_inode_size);
if (nilfs->ns_inode_size > nilfs->ns_blocksize) { if (nilfs->ns_inode_size > nilfs->ns_blocksize) {
printk(KERN_ERR "NILFS: too large inode size: %d bytes.\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
nilfs->ns_inode_size); "too large inode size: %d bytes",
nilfs->ns_inode_size);
return -EINVAL; return -EINVAL;
} else if (nilfs->ns_inode_size < NILFS_MIN_INODE_SIZE) { } else if (nilfs->ns_inode_size < NILFS_MIN_INODE_SIZE) {
printk(KERN_ERR "NILFS: too small inode size: %d bytes.\n", nilfs_msg(nilfs->ns_sb, KERN_ERR,
nilfs->ns_inode_size); "too small inode size: %d bytes",
nilfs->ns_inode_size);
return -EINVAL; return -EINVAL;
} }
@ -412,7 +415,9 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment); nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) { if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) {
printk(KERN_ERR "NILFS: too short segment.\n"); nilfs_msg(nilfs->ns_sb, KERN_ERR,
"too short segment: %lu blocks",
nilfs->ns_blocks_per_segment);
return -EINVAL; return -EINVAL;
} }
@ -421,7 +426,9 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
le32_to_cpu(sbp->s_r_segments_percentage); le32_to_cpu(sbp->s_r_segments_percentage);
if (nilfs->ns_r_segments_percentage < 1 || if (nilfs->ns_r_segments_percentage < 1 ||
nilfs->ns_r_segments_percentage > 99) { nilfs->ns_r_segments_percentage > 99) {
printk(KERN_ERR "NILFS: invalid reserved segments percentage.\n"); nilfs_msg(nilfs->ns_sb, KERN_ERR,
"invalid reserved segments percentage: %lu",
nilfs->ns_r_segments_percentage);
return -EINVAL; return -EINVAL;
} }
@ -505,16 +512,16 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
if (!sbp[0]) { if (!sbp[0]) {
if (!sbp[1]) { if (!sbp[1]) {
printk(KERN_ERR "NILFS: unable to read superblock\n"); nilfs_msg(sb, KERN_ERR, "unable to read superblock");
return -EIO; return -EIO;
} }
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: unable to read primary superblock " "unable to read primary superblock (blocksize = %d)",
"(blocksize = %d)\n", blocksize); blocksize);
} else if (!sbp[1]) { } else if (!sbp[1]) {
printk(KERN_WARNING nilfs_msg(sb, KERN_WARNING,
"NILFS warning: unable to read secondary superblock " "unable to read secondary superblock (blocksize = %d)",
"(blocksize = %d)\n", blocksize); blocksize);
} }
/* /*
@ -536,14 +543,14 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
} }
if (!valid[swp]) { if (!valid[swp]) {
nilfs_release_super_block(nilfs); nilfs_release_super_block(nilfs);
printk(KERN_ERR "NILFS: Can't find nilfs on dev %s.\n", nilfs_msg(sb, KERN_ERR, "couldn't find nilfs on the device");
sb->s_id);
return -EINVAL; return -EINVAL;
} }
if (!valid[!swp]) if (!valid[!swp])
printk(KERN_WARNING "NILFS warning: broken superblock. " nilfs_msg(sb, KERN_WARNING,
"using spare superblock (blocksize = %d).\n", blocksize); "broken superblock, retrying with spare superblock (blocksize = %d)",
blocksize);
if (swp) if (swp)
nilfs_swap_super_block(nilfs); nilfs_swap_super_block(nilfs);
@ -577,7 +584,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
blocksize = sb_min_blocksize(sb, NILFS_MIN_BLOCK_SIZE); blocksize = sb_min_blocksize(sb, NILFS_MIN_BLOCK_SIZE);
if (!blocksize) { if (!blocksize) {
printk(KERN_ERR "NILFS: unable to set blocksize\n"); nilfs_msg(sb, KERN_ERR, "unable to set blocksize");
err = -EINVAL; err = -EINVAL;
goto out; goto out;
} }
@ -596,8 +603,9 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
blocksize = BLOCK_SIZE << le32_to_cpu(sbp->s_log_block_size); blocksize = BLOCK_SIZE << le32_to_cpu(sbp->s_log_block_size);
if (blocksize < NILFS_MIN_BLOCK_SIZE || if (blocksize < NILFS_MIN_BLOCK_SIZE ||
blocksize > NILFS_MAX_BLOCK_SIZE) { blocksize > NILFS_MAX_BLOCK_SIZE) {
printk(KERN_ERR "NILFS: couldn't mount because of unsupported " nilfs_msg(sb, KERN_ERR,
"filesystem blocksize %d\n", blocksize); "couldn't mount because of unsupported filesystem blocksize %d",
blocksize);
err = -EINVAL; err = -EINVAL;
goto failed_sbh; goto failed_sbh;
} }
@ -605,10 +613,9 @@ int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb, char *data)
int hw_blocksize = bdev_logical_block_size(sb->s_bdev); int hw_blocksize = bdev_logical_block_size(sb->s_bdev);
if (blocksize < hw_blocksize) { if (blocksize < hw_blocksize) {
printk(KERN_ERR nilfs_msg(sb, KERN_ERR,
"NILFS: blocksize %d too small for device " "blocksize %d too small for device (sector-size = %d)",
"(sector-size = %d).\n", blocksize, hw_blocksize);
blocksize, hw_blocksize);
err = -EINVAL; err = -EINVAL;
goto failed_sbh; goto failed_sbh;
} }