summaryrefslogtreecommitdiff
path: root/drivers/block/ataflop.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/ataflop.c')
-rw-r--r--drivers/block/ataflop.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index aceb96476524..8c021bb7a991 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -67,7 +67,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/blkdev.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <asm/atafd.h>
#include <asm/atafdreg.h>
@@ -79,6 +79,7 @@
#undef DEBUG
+static DEFINE_MUTEX(ataflop_mutex);
static struct request_queue *floppy_queue;
static struct request *fd_request;
@@ -1671,9 +1672,9 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
{
int ret;
- lock_kernel();
+ mutex_lock(&ataflop_mutex);
ret = fd_locked_ioctl(bdev, mode, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&ataflop_mutex);
return ret;
}
@@ -1854,9 +1855,9 @@ static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode)
{
int ret;
- lock_kernel();
+ mutex_lock(&ataflop_mutex);
ret = floppy_open(bdev, mode);
- unlock_kernel();
+ mutex_unlock(&ataflop_mutex);
return ret;
}
@@ -1864,14 +1865,14 @@ static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode)
static int floppy_release(struct gendisk *disk, fmode_t mode)
{
struct atari_floppy_struct *p = disk->private_data;
- lock_kernel();
+ mutex_lock(&ataflop_mutex);
if (p->ref < 0)
p->ref = 0;
else if (!p->ref--) {
printk(KERN_ERR "floppy_release with fd_ref == 0");
p->ref = 0;
}
- unlock_kernel();
+ mutex_unlock(&ataflop_mutex);
return 0;
}