linux-kernel - [PATCH v3 24/25] sunrpc: Change how dentry's d

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Date:	Wed,  3 Jul 2013 16:25:32 -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:	Trond Myklebust <Trond.Myklebust@...app.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	"David S. Miller" <davem@...emloft.net>, linux-nfs@...r.kernel.org,
	netdev@...r.kernel.org, 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 24/25] sunrpc: 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>
---
 net/sunrpc/rpc_pipe.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index e7ce4b3..58bc128 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -427,14 +427,14 @@ rpc_info_open(struct inode *inode, struct file *file)
 	if (!ret) {
 		struct seq_file *m = file->private_data;
 
-		spin_lock(&file->f_path.dentry->d_lock);
+		d_lock(file->f_path.dentry);
 		if (!d_unhashed(file->f_path.dentry))
 			clnt = RPC_I(inode)->private;
 		if (clnt != NULL && atomic_inc_not_zero(&clnt->cl_count)) {
-			spin_unlock(&file->f_path.dentry->d_lock);
+			d_unlock(file->f_path.dentry);
 			m->private = clnt;
 		} else {
-			spin_unlock(&file->f_path.dentry->d_lock);
+			d_unlock(file->f_path.dentry);
 			single_release(inode, file);
 			ret = -EINVAL;
 		}
-- 
1.7.1

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