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

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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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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;
}