xfs: modify verifiers to differentiate CRC from other errors
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>
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 4657586..5959b3b 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1568,18 +1568,17 @@
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- int agi_ok = 1;
- if (xfs_sb_version_hascrc(&mp->m_sb))
- agi_ok = xfs_buf_verify_cksum(bp, XFS_AGI_CRC_OFF);
-
- agi_ok = agi_ok && xfs_agi_verify(bp);
-
- if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IALLOC_READ_AGI,
- XFS_RANDOM_IALLOC_READ_AGI))) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ if (xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_buf_verify_cksum(bp, XFS_AGI_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (XFS_TEST_ERROR(!xfs_agi_verify(bp), mp,
+ XFS_ERRTAG_IALLOC_READ_AGI,
+ XFS_RANDOM_IALLOC_READ_AGI))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -1590,8 +1589,8 @@
struct xfs_buf_log_item *bip = bp->b_fspriv;
if (!xfs_agi_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}