From 2002086c7efde4037d4534d788c23e7395efcca0 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 7 Mar 2013 23:42:52 +0900
Subject: [PATCH] --- yaml --- r: 362251 b: refs/heads/master c:
 4146c3d469dc400eefa253fb37aa1e74fb5e41f8 h: refs/heads/master i:   362249:
 09cae738b9324469e4402dfdf335f9173a09af7d   362247:
 b104da4348ecb18f255a6480ce52c1115310a167 v: v3

---
 [refs]                   | 2 +-
 trunk/fs/gfs2/lock_dlm.c | 8 ++------
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/[refs] b/[refs]
index 7f310cd98796..47aba428bf05 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 57c7310b8eb96b0fe3b0aaa8dc194adbae03bef3
+refs/heads/master: 4146c3d469dc400eefa253fb37aa1e74fb5e41f8
diff --git a/trunk/fs/gfs2/lock_dlm.c b/trunk/fs/gfs2/lock_dlm.c
index b15bb45911ca..c8423d6de6c3 100644
--- a/trunk/fs/gfs2/lock_dlm.c
+++ b/trunk/fs/gfs2/lock_dlm.c
@@ -483,12 +483,8 @@ static void control_lvb_write(struct lm_lockstruct *ls, uint32_t lvb_gen,
 
 static int all_jid_bits_clear(char *lvb)
 {
-	int i;
-	for (i = JID_BITMAP_OFFSET; i < GDLM_LVB_SIZE; i++) {
-		if (lvb[i])
-			return 0;
-	}
-	return 1;
+	return !memchr_inv(lvb + JID_BITMAP_OFFSET, 0,
+			GDLM_LVB_SIZE - JID_BITMAP_OFFSET);
 }
 
 static void sync_wait_cb(void *arg)