linux-kernel - [PATCH 7/7] fs/gfs2: Use DEFINE

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Date:	Thu, 25 Dec 2008 15:35:27 +0100 (CET)
From:	Julia Lawall <julia@...u.dk>
To:	swhiteho@...hat.com, cluster-devel@...hat.com,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 7/7] fs/gfs2: Use DEFINE_SPINLOCK

From: Julia Lawall <julia@...u.dk>

SPIN_LOCK_UNLOCKED is deprecated.  The following makes the change suggested
in Documentation/spinlocks.txt

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
declarer name DEFINE_SPINLOCK;
identifier xxx_lock;
@@

- spinlock_t xxx_lock = SPIN_LOCK_UNLOCKED;
+ DEFINE_SPINLOCK(xxx_lock);
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>

---
diff -u -p a/fs/gfs2/glock.c b/fs/gfs2/glock.c
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -65,7 +65,7 @@ static struct dentry *gfs2_root;
 static struct workqueue_struct *glock_workqueue;
 static LIST_HEAD(lru_list);
 static atomic_t lru_count = ATOMIC_INIT(0);
-static spinlock_t lru_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(lru_lock);
 
 #define GFS2_GL_HASH_SHIFT      15
 #define GFS2_GL_HASH_SIZE       (1 << GFS2_GL_HASH_SHIFT)
--
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