From: John L. Hammond <john.hammond@intel.com>
Date: Thu, 25 Apr 2013 18:37:44 +0000 (-0500)
Subject: LU-3231 fld: fix previous range copy in fld_cache_lookup()
X-Git-Tag: 2.3.65~53
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=945c1218e21dc3b8bd7555aebfbc957478b4e63a

LU-3231 fld: fix previous range copy in fld_cache_lookup()

In fld_cache_lookup() when returning the previous seq range, copy the
appropriate part of the previous fld_cache_entry.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Iabc1146e5c5ac188c8d37c953ffbb645450e070d
Reviewed-on: http://review.whamcloud.com/6171
Tested-by: Hudson
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: wangdi <di.wang@intel.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
---

diff --git a/lustre/fld/fld_cache.c b/lustre/fld/fld_cache.c
index b21ead4..632efea 100644
--- a/lustre/fld/fld_cache.c
+++ b/lustre/fld/fld_cache.c
@@ -553,7 +553,7 @@ int fld_cache_lookup(struct fld_cache *cache,
 	cfs_list_for_each_entry(flde, head, fce_list) {
 		if (flde->fce_range.lsr_start > seq) {
 			if (prev != NULL)
-				memcpy(range, prev, sizeof(*range));
+				*range = prev->fce_range;
 			break;
 		}