smbfs-Convert-server-sem-to-mutex.patch

From e6e2f32c229c5958744df77153c6a9dc539c7975 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 25 Jul 2009 23:12:40 +0200
Subject: [PATCH] smbfs: Convert server->sem to mutex

commit 4904cd2a7a826a2d4751ee9687a9c32cdabe1a28 in tip.

server->sem is used as mutex so make it a mutex.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c
index 1c4c8f0..6d68729 100644
--- a/fs/smbfs/inode.c
+++ b/fs/smbfs/inode.c
@@ -530,7 +530,7 @@ static int smb_fill_super(struct super_block *sb, void *raw_data, int silent)
 	server->mnt = NULL;
 	server->sock_file = NULL;
 	init_waitqueue_head(&server->conn_wq);
-	init_MUTEX(&server->sem);
+	mutex_init(&server->mutex);
 	INIT_LIST_HEAD(&server->entry);
 	INIT_LIST_HEAD(&server->xmitq);
 	INIT_LIST_HEAD(&server->recvq);
diff --git a/include/linux/smb_fs_sb.h b/include/linux/smb_fs_sb.h
index 8a060a7..41c69a4 100644
--- a/include/linux/smb_fs_sb.h
+++ b/include/linux/smb_fs_sb.h
@@ -57,7 +57,7 @@ struct smb_sb_info {
 	struct smb_conn_opt opt;
 	wait_queue_head_t conn_wq;
 	int conn_complete;
-	struct semaphore sem;
+	struct mutex mutex;
 
 	unsigned char      header[SMB_HEADER_LEN + 20*2 + 2];
 	u32                header_len;
@@ -79,19 +79,19 @@ struct smb_sb_info {
 static inline int
 smb_lock_server_interruptible(struct smb_sb_info *server)
 {
-	return down_interruptible(&(server->sem));
+	return mutex_lock_interruptible(&server->mutex);
 }
 
 static inline void
 smb_lock_server(struct smb_sb_info *server)
 {
-	down(&(server->sem));
+	mutex_lock(&server->mutex);
 }
 
 static inline void
 smb_unlock_server(struct smb_sb_info *server)
 {
-	up(&(server->sem));
+	mutex_unlock(&server->mutex);
 }
 
 #endif
-- 
1.7.1.1