linux-kernel - [PATCH v3 22/25] ocfs2: Change how dentry's d

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Date:	Wed,  3 Jul 2013 16:22:02 -0400
From:	Waiman Long <Waiman.Long@...com>
To:	Alexander Viro <viro@...iv.linux.org.uk>,
	Jeff Layton <jlayton@...hat.com>,
	Miklos Szeredi <mszeredi@...e.cz>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	Mark Fasheh <mfasheh@...e.com>, Joel Becker <jlbec@...lplan.org>,
	ocfs2-devel@....oracle.com, Waiman Long <Waiman.Long@...com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	"Norton, Scott J" <scott.norton@...com>
Subject: [PATCH v3 22/25] ocfs2: Change how dentry's d_lock field is accessed

Because of the changes made in dcache.h header file, files that
use the d_lock field of the dentry structure need to be changed
accordingly. All the d_lock's spin_lock() and spin_unlock() calls
are replaced by the corresponding d_lock() and d_unlock() calls.
There is no change in logic and everything should just work.

Signed-off-by: Waiman Long <Waiman.Long@...com>
---
 fs/ocfs2/dcache.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index ef99972..4f72906 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -173,17 +173,17 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode,
 
 	spin_lock(&inode->i_lock);
 	hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
-		spin_lock(&dentry->d_lock);
+		d_lock(dentry);
 		if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {
 			trace_ocfs2_find_local_alias(dentry->d_name.len,
 						     dentry->d_name.name);
 
 			dget_dlock(dentry);
-			spin_unlock(&dentry->d_lock);
+			d_unlock(dentry);
 			spin_unlock(&inode->i_lock);
 			return dentry;
 		}
-		spin_unlock(&dentry->d_lock);
+		d_unlock(dentry);
 	}
 	spin_unlock(&inode->i_lock);
 	return NULL;
-- 
1.7.1

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