xfs_scrub: don't call FITRIM after runtime errors

Don't call FITRIM if there have been runtime errors -- we don't want to
touch anything after any kind of unfixable problem.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/scrub/phase8.c b/scrub/phase8.c
index 288800a..75400c9 100644
--- a/scrub/phase8.c
+++ b/scrub/phase8.c
@@ -39,6 +39,9 @@
 	if (ctx->unfixable_errors != 0)
 		return false;
 
+	if (ctx->runtime_errors != 0)
+		return false;
+
 	return true;
 }