blk_ring_lock    1448 drivers/block/xen-blkback/blkback.c 	spin_lock_irqsave(&ring->blk_ring_lock, flags);
blk_ring_lock    1474 drivers/block/xen-blkback/blkback.c 	spin_unlock_irqrestore(&ring->blk_ring_lock, flags);
blk_ring_lock     256 drivers/block/xen-blkback/common.h 	spinlock_t		blk_ring_lock;
blk_ring_lock     142 drivers/block/xen-blkback/xenbus.c 		spin_lock_init(&ring->blk_ring_lock);