From: wang di <di.wang@intel.com>
Date: Thu, 9 Jul 2015 03:01:46 +0000 (-0700)
Subject: LU-6834 lod: fix idx_array overwritten
X-Git-Tag: 2.7.57~24
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=refs%2Fchanges%2F72%2F15572%2F2;p=fs%2Flustre-release.git

LU-6834 lod: fix idx_array overwritten

Compare index with stripe_count -1 , otherwise it will
overwrite the idx_array[] in lod_prep_md_striped_create().

Signed-off-by: wang di <di.wang@intel.com>
Change-Id: Ib116821fb9e9b800752d760c262ded725c55ce0e
Reviewed-on: http://review.whamcloud.com/15572
Tested-by: Jenkins
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/lod/lod_object.c b/lustre/lod/lod_object.c
index 948a675..f191742 100644
--- a/lustre/lod/lod_object.c
+++ b/lustre/lod/lod_object.c
@@ -1893,7 +1893,7 @@ static int lod_prep_md_striped_create(const struct lu_env *env,
 		       idx, i, PFID(&fid));
 		idx_array[i] = idx;
 		/* Set the start index for next stripe allocation */
-		if (i < stripe_count)
+		if (i < stripe_count - 1)
 			idx_array[i + 1] = (idx + 1) %
 					   (lod->lod_remote_mdt_count + 1);
 		/* tgt_dt and fid must be ready after search avaible OSP