From e94d3c11edb9c9cbcf108463fdff8404df79be33 Mon Sep 17 00:00:00 2001
From: Josh Durgin <jdurgin@redhat.com>
Date: Tue, 11 Nov 2014 18:16:02 -0800
Subject: [PATCH] qa: allow small allocation diffs for exported rbds

The local filesytem may behave slightly differently. This isn't
foolproof, but seems to be reliable enough on rhel7 rootfs, where
exact comparison was failing.

Fixes: #10002
Signed-off-by: Josh Durgin <jdurgin@redhat.com>
---
 qa/workunits/rbd/import_export.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/qa/workunits/rbd/import_export.sh b/qa/workunits/rbd/import_export.sh
index b8fa0f781fc39..d1ba29a4f1ece 100755
--- a/qa/workunits/rbd/import_export.sh
+++ b/qa/workunits/rbd/import_export.sh
@@ -20,7 +20,9 @@ compare_files_and_ondisk_sizes () {
     cmp -l $1 $2 || return 1
     origsize=$(stat $1 --format %b)
     exportsize=$(stat $2 --format %b)
-    [ $origsize = $exportsize ]
+    difference=$(($exportsize - $origsize))
+    difference=${difference#-} # absolute value
+    test $difference -ge 0 -a $difference -lt 4096
 }
 
 # cannot import a dir
-- 
2.39.5