summaryrefslogtreecommitdiff
path: root/drivers/block/amiflop.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/amiflop.c')
-rw-r--r--drivers/block/amiflop.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 327ed27dfe1a..a1725e6488d3 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -60,7 +60,7 @@
#include <linux/hdreg.h>
#include <linux/delay.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/amifdreg.h>
#include <linux/amifd.h>
#include <linux/buffer_head.h>
@@ -109,6 +109,7 @@
#define FD_HD_3 0x55555555 /* high-density 3.5" (1760K) drive */
#define FD_DD_5 0xaaaaaaaa /* double-density 5.25" (440K) drive */
+static DEFINE_MUTEX(amiflop_mutex);
static unsigned long int fd_def_df0 = FD_DD_3; /* default for df0 if it doesn't identify */
module_param(fd_def_df0, ulong, 0);
@@ -1541,9 +1542,9 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
{
int ret;
- lock_kernel();
+ mutex_lock(&amiflop_mutex);
ret = fd_locked_ioctl(bdev, mode, cmd, param);
- unlock_kernel();
+ mutex_unlock(&amiflop_mutex);
return ret;
}
@@ -1590,11 +1591,11 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
int old_dev;
unsigned long flags;
- lock_kernel();
+ mutex_lock(&amiflop_mutex);
old_dev = fd_device[drive];
if (fd_ref[drive] && old_dev != system) {
- unlock_kernel();
+ mutex_unlock(&amiflop_mutex);
return -EBUSY;
}
@@ -1610,7 +1611,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
rel_fdc();
if (wrprot) {
- unlock_kernel();
+ mutex_unlock(&amiflop_mutex);
return -EROFS;
}
}
@@ -1629,7 +1630,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
printk(KERN_INFO "fd%d: accessing %s-disk with %s-layout\n",drive,
unit[drive].type->name, data_types[system].name);
- unlock_kernel();
+ mutex_unlock(&amiflop_mutex);
return 0;
}
@@ -1638,7 +1639,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
struct amiga_floppy_struct *p = disk->private_data;
int drive = p - unit;
- lock_kernel();
+ mutex_lock(&amiflop_mutex);
if (unit[drive].dirty == 1) {
del_timer (flush_track_timer + drive);
non_int_flush_track (drive);
@@ -1652,7 +1653,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
/* the mod_use counter is handled this way */
floppy_off (drive | 0x40000000);
#endif
- unlock_kernel();
+ mutex_unlock(&amiflop_mutex);
return 0;
}