From 0b859273103ebb5cc2c40c02526d2299abf4af04 Mon Sep 17 00:00:00 2001
From: Lukas Czerner <lczerner@redhat.com>
Date: Tue, 16 Oct 2012 09:41:34 +0000
Subject: [PATCH] xfstests: Do not allow step to be zero

Currently 'step' variable which is used as length of the range to
discard can be zero. However it would result in error returned by the
fstrim.

Fix this by forcing 'step' to be at least 4KB.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Rich Johnston <rjohnston@sgi.com>
---
 251 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/251 b/251
index dbb6ba73..74f99946 100755
--- a/251
+++ b/251
@@ -94,7 +94,7 @@ fstrim_loop()
 	mmlen=$(_guess_max_minlen)
 
 	while true ; do
-		step=$((RANDOM*$RANDOM))
+		step=$((RANDOM*$RANDOM+4))
 		minlen=$(((RANDOM*($RANDOM%2+1))%$mmlen))
 		start=$RANDOM
 		if [ $((RANDOM%10)) -gt 7 ]; then
-- 
2.47.3