From: Bobi Jam <bobijam.xu@intel.com>
Date: Sat, 2 Sep 2017 08:34:23 +0000 (+0800)
Subject: LU-9941 lov: lsm_is_composite isn't right
X-Git-Tag: 2.10.2-RC2~3
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F42%2F30342%2F2;p=fs%2Flustre-release.git

LU-9941 lov: lsm_is_composite isn't right

LOVEA magic containing LOV_MAGIC_MAGIC will also be regarded as
a composite magic.

Signed-off-by: Bobi Jam <bobijam.xu@intel.com>
Change-Id: I3ef37ee80364b2a8f27831e3c53fb88b464f2039
Reviewed-on: https://review.whamcloud.com/28845
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
(cherry picked from commit 385518f67eb917335de0c1d727941094f4ab5874)
Reviewed-on: https://review.whamcloud.com/30342
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
---

diff --git a/lustre/lov/lov_internal.h b/lustre/lov/lov_internal.h
index 6f74868..9445709 100644
--- a/lustre/lov/lov_internal.h
+++ b/lustre/lov/lov_internal.h
@@ -92,7 +92,7 @@ static inline bool lsm_entry_inited(const struct lov_stripe_md *lsm, int index)
 
 static inline bool lsm_is_composite(__u32 magic)
 {
-	return !!(magic & LOV_MAGIC_COMP_V1);
+	return magic == LOV_MAGIC_COMP_V1;
 }
 
 static inline size_t lov_comp_md_size(const struct lov_stripe_md *lsm)