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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2015-10-17 23:16:04 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-10-17 23:16:04 +0300 |
| commit | 6a797d2737838906f2ea0a31686e87c3151e21ca (patch) | |
| tree | c13f506c771271660fb76d3e0ba86a9e107f0ed9 /fs/ext4/mmp.c | |
| parent | 8c81bd8f586c46eaf114758a78d82895a2b081c2 (diff) | |
| download | linux-6a797d2737838906f2ea0a31686e87c3151e21ca.tar.xz | |
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>
Diffstat (limited to 'fs/ext4/mmp.c')
| -rw-r--r-- | fs/ext4/mmp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c index 6eb1a619890c..0a512aa81bf7 100644 --- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -98,10 +98,12 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh, } mmp = (struct mmp_struct *)((*bh)->b_data); - if (le32_to_cpu(mmp->mmp_magic) == EXT4_MMP_MAGIC && - ext4_mmp_csum_verify(sb, mmp)) + if (le32_to_cpu(mmp->mmp_magic) != EXT4_MMP_MAGIC) + ret = -EFSCORRUPTED; + else if (!ext4_mmp_csum_verify(sb, mmp)) + ret = -EFSBADCRC; + else return 0; - ret = -EINVAL; warn_exit: ext4_warning(sb, "Error %d while reading MMP block %llu", |