[NET] rules: Unified rules dumping

[net-next-2.6.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 0c59b703e9d56f8b104f4ad556e235db904573ac..575076c018f4789c3c5f313f56b7b09674604baf 100644 (file)
--- 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;