diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 0c59b703e9d5..575076c018f4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1101,6 +1101,13 @@ static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags, int for_part); static int __blkdev_put(struct block_device *bdev, int for_part); +/* + * bd_mutex locking: + * + * mutex_lock(part->bd_mutex) + * mutex_lock_nested(whole->bd_mutex, 1) + */ + static int do_open(struct block_device *bdev, struct file *file, int for_part) { struct module *owner = NULL; |