xfs: don't leak EFSBADCRC to userspace

While the verifier routines may return EFSBADCRC when a buffer has
a bad CRC, we need to translate that to EFSCORRUPTED so that the
higher layers treat the error appropriately and we return a
consistent error to userspace. This fixes a xfs/005 regression.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 02df7b408a26..5c670f55ef07 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -307,6 +307,9 @@ reread:
                 error = bp->b_error;
                 if (loud)
                         xfs_warn(mp, "SB validate failed with error %d.", error);
+                /* bad CRC means corrupted metadata */
+                if (error == EFSBADCRC)
+                        error = EFSCORRUPTED;
                 goto release_buf;
         }