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author | 2006-03-23 03:00:28 -0800 | |
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committer | 2006-03-23 07:38:11 -0800 | |
commit | c039e3134ae62863bbc8e8429b29e3c43cf21b2a (patch) | |
tree | b9bbf4fda0844e3173bf10a5bffbaaec94fb4246 /fs/block_dev.c | |
parent | [PATCH] sem2mutex: drivers/char/ (diff) | |
download | linux-c039e3134ae62863bbc8e8429b29e3c43cf21b2a.tar.gz linux-c039e3134ae62863bbc8e8429b29e3c43cf21b2a.tar.bz2 linux-c039e3134ae62863bbc8e8429b29e3c43cf21b2a.zip |
[PATCH] sem2mutex: blockdev #2
Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r-- | fs/block_dev.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 6e50346fb1ee..44d05e6e34db 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -265,8 +265,8 @@ static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags) SLAB_CTOR_CONSTRUCTOR) { memset(bdev, 0, sizeof(*bdev)); - sema_init(&bdev->bd_sem, 1); - sema_init(&bdev->bd_mount_sem, 1); + mutex_init(&bdev->bd_mutex); + mutex_init(&bdev->bd_mount_mutex); INIT_LIST_HEAD(&bdev->bd_inodes); INIT_LIST_HEAD(&bdev->bd_list); inode_init_once(&ei->vfs_inode); @@ -574,7 +574,7 @@ static int do_open(struct block_device *bdev, struct file *file) } owner = disk->fops->owner; - down(&bdev->bd_sem); + mutex_lock(&bdev->bd_mutex); if (!bdev->bd_openers) { bdev->bd_disk = disk; bdev->bd_contains = bdev; @@ -605,21 +605,21 @@ static int do_open(struct block_device *bdev, struct file *file) if (ret) goto out_first; bdev->bd_contains = whole; - down(&whole->bd_sem); + mutex_lock(&whole->bd_mutex); whole->bd_part_count++; p = disk->part[part - 1]; bdev->bd_inode->i_data.backing_dev_info = whole->bd_inode->i_data.backing_dev_info; if (!(disk->flags & GENHD_FL_UP) || !p || !p->nr_sects) { whole->bd_part_count--; - up(&whole->bd_sem); + mutex_unlock(&whole->bd_mutex); ret = -ENXIO; goto out_first; } kobject_get(&p->kobj); bdev->bd_part = p; bd_set_size(bdev, (loff_t) p->nr_sects << 9); - up(&whole->bd_sem); + mutex_unlock(&whole->bd_mutex); } } else { put_disk(disk); @@ -633,13 +633,13 @@ static int do_open(struct block_device *bdev, struct file *file) if (bdev->bd_invalidated) rescan_partitions(bdev->bd_disk, bdev); } else { - down(&bdev->bd_contains->bd_sem); + mutex_lock(&bdev->bd_contains->bd_mutex); bdev->bd_contains->bd_part_count++; - up(&bdev->bd_contains->bd_sem); + mutex_unlock(&bdev->bd_contains->bd_mutex); } } bdev->bd_openers++; - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); unlock_kernel(); return 0; @@ -652,7 +652,7 @@ out_first: put_disk(disk); module_put(owner); out: - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); unlock_kernel(); if (ret) bdput(bdev); @@ -714,7 +714,7 @@ int blkdev_put(struct block_device *bdev) struct inode *bd_inode = bdev->bd_inode; struct gendisk *disk = bdev->bd_disk; - down(&bdev->bd_sem); + mutex_lock(&bdev->bd_mutex); lock_kernel(); if (!--bdev->bd_openers) { sync_blockdev(bdev); @@ -724,9 +724,9 @@ int blkdev_put(struct block_device *bdev) if (disk->fops->release) ret = disk->fops->release(bd_inode, NULL); } else { - down(&bdev->bd_contains->bd_sem); + mutex_lock(&bdev->bd_contains->bd_mutex); bdev->bd_contains->bd_part_count--; - up(&bdev->bd_contains->bd_sem); + mutex_unlock(&bdev->bd_contains->bd_mutex); } if (!bdev->bd_openers) { struct module *owner = disk->fops->owner; @@ -746,7 +746,7 @@ int blkdev_put(struct block_device *bdev) bdev->bd_contains = NULL; } unlock_kernel(); - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); bdput(bdev); return ret; } |