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xfs: modify verifiers to differentiate CRC from other errors

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Modify all read & write verifiers to differentiate
between CRC errors and other inconsistencies.

This sets the appropriate error number on bp->b_error,
and then calls xfs_verifier_error() if something went
wrong.  That function will issue the appropriate message
to the user.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen
2014-02-27 15:23:10 +11:00
committed by Dave Chinner
parent db9355c296
commit ce5028cfe3
16 changed files with 125 additions and 117 deletions
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10
fs/xfs/xfs_sb.c
View File

@@ -614,7 +614,7 @@ xfs_sb_read_verify(
/* Only fail bad secondaries on a known V5 filesystem */
if (bp->b_bn == XFS_SB_DADDR ||
xfs_sb_version_hascrc(&mp->m_sb)) {
error = EFSCORRUPTED;
error = EFSBADCRC;
goto out_error;
}
}
@@ -623,10 +623,9 @@ xfs_sb_read_verify(
out_error:
if (error) {
if (error == EFSCORRUPTED)
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
mp, bp->b_addr);
xfs_buf_ioerror(bp, error);
if (error == EFSCORRUPTED || error == EFSBADCRC)
xfs_verifier_error(bp);
}
}
@@ -661,9 +660,8 @@ xfs_sb_write_verify(
error = xfs_sb_verify(bp, false);
if (error) {
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW,
mp, bp->b_addr);
xfs_buf_ioerror(bp, error);
xfs_verifier_error(bp);
return;
}