diff options
Diffstat (limited to 'drivers/block/swim.c')
| -rw-r--r-- | drivers/block/swim.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/block/swim.c b/drivers/block/swim.c index 2e46815876d..75333d0a332 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -20,7 +20,7 @@ #include <linux/fd.h> #include <linux/slab.h> #include <linux/blkdev.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/hdreg.h> #include <linux/kernel.h> #include <linux/delay.h> @@ -222,6 +222,7 @@ extern int swim_read_sector_header(struct swim __iomem *base, extern int swim_read_sector_data(struct swim __iomem *base, unsigned char *data); +static DEFINE_MUTEX(swim_mutex); static inline void set_swim_mode(struct swim __iomem *base, int enable) { struct iwm __iomem *iwm_base; @@ -666,9 +667,9 @@ static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) { int ret; - lock_kernel(); + mutex_lock(&swim_mutex); ret = floppy_open(bdev, mode); - unlock_kernel(); + mutex_unlock(&swim_mutex); return ret; } @@ -678,7 +679,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) struct floppy_state *fs = disk->private_data; struct swim __iomem *base = fs->swd->base; - lock_kernel(); + mutex_lock(&swim_mutex); if (fs->ref_count < 0) fs->ref_count = 0; else if (fs->ref_count > 0) @@ -686,7 +687,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) if (fs->ref_count == 0) swim_motor(base, OFF); - unlock_kernel(); + mutex_unlock(&swim_mutex); return 0; } @@ -704,9 +705,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode, case FDEJECT: if (fs->ref_count != 1) return -EBUSY; - lock_kernel(); + mutex_lock(&swim_mutex); err = floppy_eject(fs); - unlock_kernel(); + mutex_unlock(&swim_mutex); return err; case FDGETPRM: |