hpfs: Convert sbi->hpfs_creation_de to mutex

sbi->hpfs_creation_de is used as mutex so make it a mutex.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Christoph Hellwig <hch@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
LKML-Reference: <20100907125056.228874895@linutronix.de>

diff --git a/fs/hpfs/buffer.c b/fs/hpfs/buffer.c
index eac5f96..793cb9d 100644 (file)
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -14,7 +14,7 @@ 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)
@@ -22,7 +22,7 @@ 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 b59eac0..2fee17d 100644 (file)
--- 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 c969a1a..18e1d45 100644 (file)
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -491,7 +491,7 @@ 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();