diff options
Diffstat (limited to 'fs/partitions/devfs.c')
| -rw-r--r-- | fs/partitions/devfs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/partitions/devfs.c b/fs/partitions/devfs.c index 87f50444fd39..3f0a780c9cec 100644 --- a/fs/partitions/devfs.c +++ b/fs/partitions/devfs.c @@ -6,7 +6,7 @@ #include <linux/vmalloc.h> #include <linux/genhd.h> #include <linux/bitops.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> struct unique_numspace { @@ -16,7 +16,7 @@ struct unique_numspace { struct semaphore mutex; }; -static DECLARE_MUTEX(numspace_mutex); +static DEFINE_MUTEX(numspace_mutex); static int expand_numspace(struct unique_numspace *s) { @@ -48,7 +48,7 @@ static int alloc_unique_number(struct unique_numspace *s) { int rval = 0; - down(&numspace_mutex); + mutex_lock(&numspace_mutex); if (s->num_free < 1) rval = expand_numspace(s); if (!rval) { @@ -56,7 +56,7 @@ static int alloc_unique_number(struct unique_numspace *s) --s->num_free; __set_bit(rval, s->bits); } - up(&numspace_mutex); + mutex_unlock(&numspace_mutex); return rval; } @@ -66,11 +66,11 @@ static void dealloc_unique_number(struct unique_numspace *s, int number) int old_val; if (number >= 0) { - down(&numspace_mutex); + mutex_lock(&numspace_mutex); old_val = __test_and_clear_bit(number, s->bits); if (old_val) ++s->num_free; - up(&numspace_mutex); + mutex_unlock(&numspace_mutex); } } |