ext4: call out CRC and corruption errors with specific error codes
Instead of overloading EIO for CRC errors and corrupt structures,
return the same error codes that XFS returns for the same issues.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f205ac3..2b92788 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -378,7 +378,7 @@
"lblock %lu mapped to illegal pblock "
"(length %d)", (unsigned long) map->m_lblk,
map->m_len);
- return -EIO;
+ return -EFSCORRUPTED;
}
return 0;
}
@@ -480,7 +480,7 @@
/* We can handle the block number less than EXT_MAX_BLOCKS */
if (unlikely(map->m_lblk >= EXT_MAX_BLOCKS))
- return -EIO;
+ return -EFSCORRUPTED;
/* Lookup extent status tree firstly */
if (ext4_es_lookup_extent(inode, map->m_lblk, &es)) {
@@ -3863,7 +3863,7 @@
iloc->bh = NULL;
if (!ext4_valid_inum(sb, inode->i_ino))
- return -EIO;
+ return -EFSCORRUPTED;
iloc->block_group = (inode->i_ino - 1) / EXT4_INODES_PER_GROUP(sb);
gdp = ext4_get_group_desc(sb, iloc->block_group, NULL);
@@ -4111,7 +4111,7 @@
EXT4_ERROR_INODE(inode, "bad extra_isize (%u != %u)",
EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize,
EXT4_INODE_SIZE(inode->i_sb));
- ret = -EIO;
+ ret = -EFSCORRUPTED;
goto bad_inode;
}
} else
@@ -4131,7 +4131,7 @@
if (!ext4_inode_csum_verify(inode, raw_inode, ei)) {
EXT4_ERROR_INODE(inode, "checksum invalid");
- ret = -EIO;
+ ret = -EFSBADCRC;
goto bad_inode;
}
@@ -4246,7 +4246,7 @@
!ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
EXT4_ERROR_INODE(inode, "bad extended attribute block %llu",
ei->i_file_acl);
- ret = -EIO;
+ ret = -EFSCORRUPTED;
goto bad_inode;
} else if (!ext4_has_inline_data(inode)) {
if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
@@ -4297,7 +4297,7 @@
} else if (ino == EXT4_BOOT_LOADER_INO) {
make_bad_inode(inode);
} else {
- ret = -EIO;
+ ret = -EFSCORRUPTED;
EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode);
goto bad_inode;
}
@@ -4315,7 +4315,7 @@
struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino)
{
if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
- return ERR_PTR(-EIO);
+ return ERR_PTR(-EFSCORRUPTED);
return ext4_iget(sb, ino);
}