background_work_lock  477 drivers/md/dm-cache-target.c 	struct rw_semaphore background_work_lock;
background_work_lock 1120 drivers/md/dm-cache-target.c 	down_write(&cache->background_work_lock);
background_work_lock 1127 drivers/md/dm-cache-target.c 	up_write(&cache->background_work_lock);
background_work_lock 1136 drivers/md/dm-cache-target.c 	r = down_read_trylock(&cache->background_work_lock);
background_work_lock 1145 drivers/md/dm-cache-target.c 	up_read(&cache->background_work_lock);
background_work_lock 2652 drivers/md/dm-cache-target.c 	init_rwsem(&cache->background_work_lock);