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_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 0904b20..cb434d7 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -115,12 +115,14 @@
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_buf_verify_cksum(bp, XFS_DIR3_FREE_CRC_OFF)) ||
- !xfs_dir3_free_verify(bp)) {
- 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_DIR3_FREE_CRC_OFF))
+ xfs_buf_ioerror(bp, EFSBADCRC);
+ else if (!xfs_dir3_free_verify(bp))
xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
+
+ if (bp->b_error)
+ xfs_verifier_error(bp);
}
static void
@@ -132,8 +134,8 @@
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
if (!xfs_dir3_free_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
+ xfs_verifier_error(bp);
return;
}