From: wangdi <di.wang@whamcloud.com>
Date: Sat, 30 Nov 2013 12:22:55 +0000 (-0800)
Subject: LU-2802 lmv: get tgt by checking ltd_idx in lmv_find_target.
X-Git-Tag: 2.3.63~40
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=57b3da5d4938e38f23593e14cebb3702c9085f3a;hp=aa368474cb4de18361e875ff503a98ba479bc3c6

LU-2802 lmv: get tgt by checking ltd_idx in lmv_find_target.

Currently, lmv_find_target return lmv->tgts[mds]
according to mdt_index, which is not correct. LMV
index is created by mount sequence, while mdt_index
by indicated by --index. So we should check ltd_idx
in lmv_find_target.

Signed-off-by: Wang Di <di.wang@intel.com>
Change-Id: I67a941cca00eb80ba91af6eb3f3441982d4fcab3
Reviewed-on: http://review.whamcloud.com/5412
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
---

diff --git a/lustre/lmv/lmv_internal.h b/lustre/lmv/lmv_internal.h
index 32efb75..bef090c 100644
--- a/lustre/lmv/lmv_internal.h
+++ b/lustre/lmv/lmv_internal.h
@@ -113,7 +113,17 @@ static inline int lmv_get_easize(struct lmv_obd *lmv)
 static inline struct lmv_tgt_desc *
 lmv_get_target(struct lmv_obd *lmv, mdsno_t mds)
 {
-	return lmv->tgts[mds];
+	int count = lmv->desc.ld_tgt_count;
+	int i;
+
+	for (i = 0; i < count; i++) {
+		if (lmv->tgts[i] == NULL)
+			continue;
+
+		if (lmv->tgts[i]->ltd_idx == mds)
+			return lmv->tgts[i];
+	}
+	return NULL;
 }
 
 static inline struct lmv_tgt_desc *