diff options
Diffstat (limited to 'drivers/mtd/mtd_blkdevs.c')
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 840dd66ce2dc..458d3c8ae1ee 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -19,12 +19,12 @@ #include <linux/spinlock.h> #include <linux/hdreg.h> #include <linux/init.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <asm/uaccess.h> static LIST_HEAD(blktrans_majors); -extern struct semaphore mtd_table_mutex; +extern struct mutex mtd_table_mutex; extern struct mtd_info *mtd_table[]; struct mtd_blkcore_priv { @@ -122,9 +122,9 @@ static int mtd_blktrans_thread(void *arg) spin_unlock_irq(rq->queue_lock); - down(&dev->sem); + mutex_lock(&dev->lock); res = do_blktrans_request(tr, dev, req); - up(&dev->sem); + mutex_unlock(&dev->lock); spin_lock_irq(rq->queue_lock); @@ -235,8 +235,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) int last_devnum = -1; struct gendisk *gd; - if (!down_trylock(&mtd_table_mutex)) { - up(&mtd_table_mutex); + if (!!mutex_trylock(&mtd_table_mutex)) { + mutex_unlock(&mtd_table_mutex); BUG(); } @@ -267,7 +267,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) return -EBUSY; } - init_MUTEX(&new->sem); + mutex_init(&new->lock); list_add_tail(&new->list, &tr->devs); added: if (!tr->writesect) @@ -313,8 +313,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old) { - if (!down_trylock(&mtd_table_mutex)) { - up(&mtd_table_mutex); + if (!!mutex_trylock(&mtd_table_mutex)) { + mutex_unlock(&mtd_table_mutex); BUG(); } @@ -378,14 +378,14 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) memset(tr->blkcore_priv, 0, sizeof(*tr->blkcore_priv)); - down(&mtd_table_mutex); + mutex_lock(&mtd_table_mutex); ret = register_blkdev(tr->major, tr->name); if (ret) { printk(KERN_WARNING "Unable to register %s block device on major %d: %d\n", tr->name, tr->major, ret); kfree(tr->blkcore_priv); - up(&mtd_table_mutex); + mutex_unlock(&mtd_table_mutex); return ret; } spin_lock_init(&tr->blkcore_priv->queue_lock); @@ -396,7 +396,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) if (!tr->blkcore_priv->rq) { unregister_blkdev(tr->major, tr->name); kfree(tr->blkcore_priv); - up(&mtd_table_mutex); + mutex_unlock(&mtd_table_mutex); return -ENOMEM; } @@ -407,7 +407,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) blk_cleanup_queue(tr->blkcore_priv->rq); unregister_blkdev(tr->major, tr->name); kfree(tr->blkcore_priv); - up(&mtd_table_mutex); + mutex_unlock(&mtd_table_mutex); return ret; } @@ -419,7 +419,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) tr->add_mtd(tr, mtd_table[i]); } - up(&mtd_table_mutex); + mutex_unlock(&mtd_table_mutex); return 0; } @@ -428,7 +428,7 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr) { struct list_head *this, *next; - down(&mtd_table_mutex); + mutex_lock(&mtd_table_mutex); /* Clean up the kernel thread */ tr->blkcore_priv->exiting = 1; @@ -446,7 +446,7 @@ int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr) blk_cleanup_queue(tr->blkcore_priv->rq); unregister_blkdev(tr->major, tr->name); - up(&mtd_table_mutex); + mutex_unlock(&mtd_table_mutex); kfree(tr->blkcore_priv); |