btree_cache_alloc_lock 587 drivers/md/bcache/bcache.h struct task_struct *btree_cache_alloc_lock; btree_cache_alloc_lock 709 drivers/md/bcache/btree.c if (c->btree_cache_alloc_lock) btree_cache_alloc_lock 774 drivers/md/bcache/btree.c if (c->btree_cache_alloc_lock) btree_cache_alloc_lock 891 drivers/md/bcache/btree.c old = cmpxchg(&c->btree_cache_alloc_lock, NULL, current); btree_cache_alloc_lock 932 drivers/md/bcache/btree.c if (c->btree_cache_alloc_lock == current) { btree_cache_alloc_lock 933 drivers/md/bcache/btree.c c->btree_cache_alloc_lock = NULL;