hpfs-Convert-sbi-hpfs_creation_de-to-mutex.patch

From 092e11018704784251cf9b97ad63dc96769fa9ea Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 25 Jul 2009 23:17:42 +0200
Subject: [PATCH] hpfs: Convert sbi->hpfs_creation_de to mutex

commit f0ce033473ed72d35e6275101d8eed4f71c4673d in tip.

sbi->hpfs_creation_de 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/hpfs/buffer.c b/fs/hpfs/buffer.c
index b6fca54..8f4141c 100644
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -13,7 +13,7 @@ void hpfs_lock_creation(struct super_block *s)
 #ifdef DEBUG_LOCKS
 	printk("lock creation\n");
 #endif
-	down(&hpfs_sb(s)->hpfs_creation_de);
+	mutex_lock(&hpfs_sb(s)->hpfs_creation_de);
 }
 
 void hpfs_unlock_creation(struct super_block *s)
@@ -21,7 +21,7 @@ void hpfs_unlock_creation(struct super_block *s)
 #ifdef DEBUG_LOCKS
 	printk("unlock creation\n");
 #endif
-	up(&hpfs_sb(s)->hpfs_creation_de);
+	mutex_unlock(&hpfs_sb(s)->hpfs_creation_de);
 }
 
 /* Map a sector into a buffer and return pointers to it and to the buffer. */
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 701ca54..ed222f5 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -87,7 +87,7 @@ struct hpfs_sb_info {
 	unsigned *sb_bmp_dir;		/* main bitmap directory */
 	unsigned sb_c_bitmap;		/* current bitmap */
 	unsigned sb_max_fwd_alloc;	/* max forwad allocation */
-	struct semaphore hpfs_creation_de; /* when creating dirents, nobody else
+	struct mutex hpfs_creation_de;	/* when creating dirents, nobody else
 					   can alloc blocks */
 	/*unsigned sb_mounting : 1;*/
 	int sb_timeshift;
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index cadc4ce..e13f103 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -486,7 +486,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
 	sbi->sb_bmp_dir = NULL;
 	sbi->sb_cp_table = NULL;
 
-	init_MUTEX(&sbi->hpfs_creation_de);
+	mutex_init(&sbi->hpfs_creation_de);
 
 	uid = current_uid();
 	gid = current_gid();
-- 
1.7.1.1