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ext4: Convert calls of ext4_error() to EXT4_ERROR_INODE()

Browse source 
EXT4_ERROR_INODE() tends to provide better error information and in a
more consistent format.  Some errors were not even identifying the inode
or directory which was corrupted, which made them not very useful.

Addresses-Google-Bug: #2507977

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2010-05-16 21:00:00 -04:00
parent 2ed886852a
commit 24676da469
7 changed files with 86 additions and 103 deletions
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10
fs/ext4/dir.c
View file

@ -83,11 +83,10 @@ int ext4_check_dir_entry(const char *function, struct inode *dir,
error_msg = "inode out of bounds";
if (error_msg != NULL)
__ext4_error(dir->i_sb, function,
"bad entry in directory #%lu: %s - block=%llu"
ext4_error_inode(function, dir,
"bad entry in directory: %s - block=%llu"
"offset=%u(%u), inode=%u, rec_len=%d, name_len=%d",
dir->i_ino, error_msg,
(unsigned long long) bh->b_blocknr,
error_msg, (unsigned long long) bh->b_blocknr,
(unsigned) (offset%bh->b_size), offset,
le32_to_cpu(de->inode),
rlen, de->name_len);
@ -152,9 +151,8 @@ static int ext4_readdir(struct file *filp,
*/
if (!bh) {
if (!dir_has_error) {
ext4_error(sb, "directory #%lu "
EXT4_ERROR_INODE(inode, "directory "
"contains a hole at offset %Lu",
inode->i_ino,
(unsigned long long) filp->f_pos);
dir_has_error = 1;
}

4
fs/ext4/ext4.h
View file

@ -54,10 +54,10 @@
#endif
#define EXT4_ERROR_INODE(inode, fmt, a...) \
ext4_error_inode(__func__, (inode), (fmt), ## a);
ext4_error_inode(__func__, (inode), (fmt), ## a)
#define EXT4_ERROR_FILE(file, fmt, a...) \
ext4_error_file(__func__, (file), (fmt), ## a);
ext4_error_file(__func__, (file), (fmt), ## a)
/* data type for block offset of block group */
typedef int ext4_grpblk_t;

10
fs/ext4/extents.c
View file

@ -439,10 +439,10 @@ static int __ext4_ext_check(const char *function, struct inode *inode,
return 0;
corrupted:
__ext4_error(inode->i_sb, function,
"bad header/extent in inode #%lu: %s - magic %x, "
ext4_error_inode(function, inode,
"bad header/extent: %s - magic %x, "
"entries %u, max %u(%u), depth %u(%u)",
inode->i_ino, error_msg, le16_to_cpu(eh->eh_magic),
error_msg, le16_to_cpu(eh->eh_magic),
le16_to_cpu(eh->eh_entries), le16_to_cpu(eh->eh_max),
max, le16_to_cpu(eh->eh_depth), depth);
@ -1622,9 +1622,7 @@ int ext4_ext_try_to_merge(struct inode *inode,
merge_done = 1;
WARN_ON(eh->eh_entries == 0);
if (!eh->eh_entries)
ext4_error(inode->i_sb,
"inode#%lu, eh->eh_entries = 0!",
inode->i_ino);
EXT4_ERROR_INODE(inode, "eh->eh_entries = 0!");
}
return merge_done;

83
fs/ext4/inode.c
View file

@ -348,9 +348,8 @@ static int __ext4_check_blockref(const char *function, struct inode *inode,
if (blk &&
unlikely(!ext4_data_block_valid(EXT4_SB(inode->i_sb),
blk, 1))) {
__ext4_error(inode->i_sb, function,
"invalid block reference %u "
"in inode #%lu", blk, inode->i_ino);
ext4_error_inode(function, inode,
"invalid block reference %u", blk);
return -EIO;
}
}
@ -1129,15 +1128,15 @@ void ext4_da_update_reserve_space(struct inode *inode,
ext4_discard_preallocations(inode);
}
static int check_block_validity(struct inode *inode, const char *msg,
sector_t logical, sector_t phys, int len)
static int check_block_validity(struct inode *inode, const char *func,
struct ext4_map_blocks *map)
{
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), phys, len)) {
__ext4_error(inode->i_sb, msg,
"inode #%lu logical block %llu mapped to %llu "
"(size %d)", inode->i_ino,
(unsigned long long) logical,
(unsigned long long) phys, len);
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
map->m_len)) {
ext4_error_inode(func, inode,
"lblock %lu mapped to illegal pblock %llu "
"(length %d)", (unsigned long) map->m_lblk,
map->m_pblk, map->m_len);
return -EIO;
}
return 0;
@ -1245,8 +1244,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
up_read((&EXT4_I(inode)->i_data_sem));
if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
int ret = check_block_validity(inode, "file system corruption",
map->m_lblk, map->m_pblk, retval);
int ret = check_block_validity(inode, __func__, map);
if (ret != 0)
return ret;
}
@ -1326,10 +1324,9 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
up_write((&EXT4_I(inode)->i_data_sem));
if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) {
int ret = check_block_validity(inode, "file system "
"corruption after allocation",
map->m_lblk, map->m_pblk,
retval);
int ret = check_block_validity(inode,
"ext4_map_blocks_after_alloc",
map);
if (ret != 0)
return ret;
}
@ -4327,10 +4324,9 @@ static int ext4_clear_blocks(handle_t *handle, struct inode *inode,
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), block_to_free,
count)) {
ext4_error(inode->i_sb, "inode #%lu: "
"attempt to clear blocks %llu len %lu, invalid",
inode->i_ino, (unsigned long long) block_to_free,
count);
EXT4_ERROR_INODE(inode, "attempt to clear invalid "
"blocks %llu len %lu",
(unsigned long long) block_to_free, count);
return 1;
}
@ -4435,11 +4431,10 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
if ((EXT4_JOURNAL(inode) == NULL) || bh2jh(this_bh))
ext4_handle_dirty_metadata(handle, inode, this_bh);
else
ext4_error(inode->i_sb,
"circular indirect block detected, "
"inode=%lu, block=%llu",
inode->i_ino,
(unsigned long long) this_bh->b_blocknr);
EXT4_ERROR_INODE(inode,
"circular indirect block detected at "
"block %llu",
(unsigned long long) this_bh->b_blocknr);
}
}
@ -4477,11 +4472,10 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb),
nr, 1)) {
ext4_error(inode->i_sb,
"indirect mapped block in inode "
"#%lu invalid (level %d, blk #%lu)",
inode->i_ino, depth,
(unsigned long) nr);
EXT4_ERROR_INODE(inode,
"invalid indirect mapped "
"block %lu (level %d)",
(unsigned long) nr, depth);
break;
}
@ -4493,9 +4487,9 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
* (should be rare).
*/
if (!bh) {
ext4_error(inode->i_sb,
"Read failure, inode=%lu, block=%llu",
inode->i_ino, nr);
EXT4_ERROR_INODE(inode,
"Read failure block=%llu",
(unsigned long long) nr);
continue;
}
@ -4810,8 +4804,8 @@ static int __ext4_get_inode_loc(struct inode *inode,
bh = sb_getblk(sb, block);
if (!bh) {
ext4_error(sb, "unable to read inode block - "
"inode=%lu, block=%llu", inode->i_ino, block);
EXT4_ERROR_INODE(inode, "unable to read inode block - "
"block %llu", block);
return -EIO;
}
if (!buffer_uptodate(bh)) {
@ -4909,8 +4903,8 @@ make_io:
submit_bh(READ_META, bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
ext4_error(sb, "unable to read inode block - inode=%lu,"
" block=%llu", inode->i_ino, block);
EXT4_ERROR_INODE(inode, "unable to read inode "
"block %llu", block);
brelse(bh);
return -EIO;
}
@ -5121,8 +5115,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
ret = 0;
if (ei->i_file_acl &&
!ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
ext4_error(sb, "bad extended attribute block %llu inode #%lu",
ei->i_file_acl, inode->i_ino);
EXT4_ERROR_INODE(inode, "bad extended attribute block %llu",
ei->i_file_acl);
ret = -EIO;
goto bad_inode;
} else if (ei->i_flags & EXT4_EXTENTS_FL) {
@ -5167,8 +5161,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
} else {
ret = -EIO;
ext4_error(inode->i_sb, "bogus i_mode (%o) for inode=%lu",
inode->i_mode, inode->i_ino);
EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode);
goto bad_inode;
}
brelse(iloc.bh);
@ -5406,9 +5399,9 @@ int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
if (wbc->sync_mode == WB_SYNC_ALL)
sync_dirty_buffer(iloc.bh);
if (buffer_req(iloc.bh) && !buffer_uptodate(iloc.bh)) {
ext4_error(inode->i_sb, "IO error syncing inode, "
"inode=%lu, block=%llu", inode->i_ino,
(unsigned long long)iloc.bh->b_blocknr);
EXT4_ERROR_INODE(inode,
"IO error syncing inode (block=%llu)",
(unsigned long long) iloc.bh->b_blocknr);
err = -EIO;
}
brelse(iloc.bh);

8
fs/ext4/move_extent.c
View file

@ -530,7 +530,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
* new_ext |-------|
*/
if (le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end) {
ext4_error(orig_inode->i_sb,
EXT4_ERROR_INODE(orig_inode,
"new_ext_end(%u) should be less than or equal to "
"oext->ee_block(%u) + oext_alen(%d) - 1",
new_ext_end, le32_to_cpu(oext->ee_block),
@ -693,12 +693,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
while (1) {
/* The extent for donor must be found. */
if (!dext) {
ext4_error(donor_inode->i_sb,
EXT4_ERROR_INODE(donor_inode,
"The extent for donor must be found");
*err = -EIO;
goto out;
} else if (donor_off != le32_to_cpu(tmp_dext.ee_block)) {
ext4_error(donor_inode->i_sb,
EXT4_ERROR_INODE(donor_inode,
"Donor offset(%u) and the first block of donor "
"extent(%u) should be equal",
donor_off,
@ -1355,7 +1355,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (ret1 < 0)
break;
if (*moved_len > len) {
ext4_error(orig_inode->i_sb,
EXT4_ERROR_INODE(orig_inode,
"We replaced blocks too much! "
"sum of replaced: %llu requested: %llu",
*moved_len, len);

39
fs/ext4/namei.c
View file

@ -943,8 +943,8 @@ restart:
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
/* read error, skip block & hope for the best */
ext4_error(sb, "reading directory #%lu offset %lu",
dir->i_ino, (unsigned long)block);
EXT4_ERROR_INODE(dir, "reading directory lblock %lu",
(unsigned long) block);
brelse(bh);
goto next;
}
@ -1066,15 +1066,15 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
__u32 ino = le32_to_cpu(de->inode);
brelse(bh);
if (!ext4_valid_inum(dir->i_sb, ino)) {
ext4_error(dir->i_sb, "bad inode number: %u", ino);
EXT4_ERROR_INODE(dir, "bad inode number: %u", ino);
return ERR_PTR(-EIO);
}
inode = ext4_iget(dir->i_sb, ino);
if (unlikely(IS_ERR(inode))) {
if (PTR_ERR(inode) == -ESTALE) {
ext4_error(dir->i_sb,
"deleted inode referenced: %u",
ino);
EXT4_ERROR_INODE(dir,
"deleted inode referenced: %u",
ino);
return ERR_PTR(-EIO);
} else {
return ERR_CAST(inode);
@ -1104,8 +1104,8 @@ struct dentry *ext4_get_parent(struct dentry *child)
brelse(bh);
if (!ext4_valid_inum(child->d_inode->i_sb, ino)) {
ext4_error(child->d_inode->i_sb,
"bad inode number: %u", ino);
EXT4_ERROR_INODE(child->d_inode,
"bad parent inode number: %u", ino);
return ERR_PTR(-EIO);
}
@ -1404,9 +1404,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
de = (struct ext4_dir_entry_2 *)((char *)fde +
ext4_rec_len_from_disk(fde->rec_len, blocksize));
if ((char *) de >= (((char *) root) + blocksize)) {
ext4_error(dir->i_sb,
"invalid rec_len for '..' in inode %lu",
dir->i_ino);
EXT4_ERROR_INODE(dir, "invalid rec_len for '..'");
brelse(bh);
return -EIO;
}
@ -1915,9 +1913,8 @@ static int empty_dir(struct inode *inode)
if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
!(bh = ext4_bread(NULL, inode, 0, 0, &err))) {
if (err)
ext4_error(inode->i_sb,
"error %d reading directory #%lu offset 0",
err, inode->i_ino);
EXT4_ERROR_INODE(inode,
"error %d reading directory lblock 0", err);
else
ext4_warning(inode->i_sb,
"bad directory (dir #%lu) - no data block",
@ -1941,17 +1938,17 @@ static int empty_dir(struct inode *inode)
de = ext4_next_entry(de1, sb->s_blocksize);
while (offset < inode->i_size) {
if (!bh ||
(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
unsigned int lblock;
err = 0;
brelse(bh);
bh = ext4_bread(NULL, inode,
offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
lblock = offset >> EXT4_BLOCK_SIZE_BITS(sb);
bh = ext4_bread(NULL, inode, lblock, 0, &err);
if (!bh) {
if (err)
ext4_error(sb,
"error %d reading directory"
" #%lu offset %u",
err, inode->i_ino, offset);
EXT4_ERROR_INODE(inode,
"error %d reading directory "
"lblock %u", err, lblock);
offset += sb->s_blocksize;
continue;
}

35
fs/ext4/xattr.c
View file

@ -228,9 +228,8 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
if (ext4_xattr_check_block(bh)) {
bad_block:
ext4_error(inode->i_sb,
"inode %lu: bad block %llu", inode->i_ino,
EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
error = -EIO;
goto cleanup;
}
@ -372,9 +371,8 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
ea_bdebug(bh, "b_count=%d, refcount=%d",
atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
if (ext4_xattr_check_block(bh)) {
ext4_error(inode->i_sb,
"inode %lu: bad block %llu", inode->i_ino,
EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
error = -EIO;
goto cleanup;
}
@ -666,8 +664,8 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
atomic_read(&(bs->bh->b_count)),
le32_to_cpu(BHDR(bs->bh)->h_refcount));
if (ext4_xattr_check_block(bs->bh)) {
ext4_error(sb, "inode %lu: bad block %llu",
inode->i_ino, EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
error = -EIO;
goto cleanup;
}
@ -880,8 +878,8 @@ cleanup_dquot:
goto cleanup;
bad_block:
ext4_error(inode->i_sb, "inode %lu: bad block %llu",
inode->i_ino, EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
goto cleanup;
#undef header
@ -1194,8 +1192,8 @@ retry:
if (!bh)
goto cleanup;
if (ext4_xattr_check_block(bh)) {
ext4_error(inode->i_sb, "inode %lu: bad block %llu",
inode->i_ino, EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
error = -EIO;
goto cleanup;
}
@ -1372,14 +1370,14 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode)
goto cleanup;
bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
if (!bh) {
ext4_error(inode->i_sb, "inode %lu: block %llu read error",
inode->i_ino, EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "block %llu read error",
EXT4_I(inode)->i_file_acl);
goto cleanup;
}
if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
BHDR(bh)->h_blocks != cpu_to_le32(1)) {
ext4_error(inode->i_sb, "inode %lu: bad block %llu",
inode->i_ino, EXT4_I(inode)->i_file_acl);
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
goto cleanup;
}
ext4_xattr_release_block(handle, inode, bh);
@ -1504,9 +1502,8 @@ again:
}
bh = sb_bread(inode->i_sb, ce->e_block);
if (!bh) {
ext4_error(inode->i_sb,
"inode %lu: block %lu read error",
inode->i_ino, (unsigned long) ce->e_block);
EXT4_ERROR_INODE(inode, "block %lu read error",
(unsigned long) ce->e_block);
} else if (le32_to_cpu(BHDR(bh)->h_refcount) >=
EXT4_XATTR_REFCOUNT_MAX) {
ea_idebug(inode, "block %lu refcount %d>=%d",