xfs: dump the first 128 bytes of any corrupt buffer

Increase the corrupt buffer dump to the first 128 bytes since v5
filesystems have larger block headers than before.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index f086040..a3ba05b 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -39,6 +39,9 @@ extern void xfs_verifier_error(struct xfs_buf *bp, int error,
 #define XFS_ERRLEVEL_LOW	1
 #define XFS_ERRLEVEL_HIGH	5
 
+/* Dump 128 bytes of any corrupt buffer */
+#define XFS_CORRUPTION_DUMP_LEN		(128)
+
 /*
  * Macros to set EFSCORRUPTED & return/branch.
  */