xfs: abort xattr scrub if fatal signals are pending

The extended attribute scrubber should abort the "read all attrs" loop
if there's a fatal signal pending on the process.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>

fs/xfs/scrub/attr.c

@@ -82,6 +82,11 @@ xchk_xattr_listent(
 
 	sx = container_of(context, struct xchk_xattr, context);
 
+	if (xchk_should_terminate(sx->sc, &error)) {
+		context->seen_enough = 1;
+		return;
+	}
+
 	if (flags & XFS_ATTR_INCOMPLETE) {
 		/* Incomplete attr key, just mark the inode for preening. */
 		xchk_ino_set_preen(sx->sc, context->dp->i_ino);