Lines Matching defs:root_lock
118 struct rw_semaphore root_lock;
771 init_rwsem(&cmd->root_lock);
1006 down_write(&cmd->root_lock);
1008 up_write(&cmd->root_lock);
1027 up_write(&(cmd)->root_lock)
1031 down_read(&cmd->root_lock);
1033 up_read(&cmd->root_lock);
1052 up_read(&(cmd)->root_lock)
1823 /* fail_io is double-checked with cmd->root_lock held below */
1829 * cmd root_lock to avoid ABBA deadlock that would result (due to life-cycle of
1830 * shrinker associated with the block manager's bufio client vs cmd root_lock).
1831 * - must take shrinker_mutex without holding cmd->root_lock