dropped_roots_lock 101 fs/btrfs/transaction.c spin_lock(&cur_trans->dropped_roots_lock); dropped_roots_lock 106 fs/btrfs/transaction.c spin_unlock(&cur_trans->dropped_roots_lock); dropped_roots_lock 109 fs/btrfs/transaction.c spin_lock(&cur_trans->dropped_roots_lock); dropped_roots_lock 111 fs/btrfs/transaction.c spin_unlock(&cur_trans->dropped_roots_lock); dropped_roots_lock 265 fs/btrfs/transaction.c spin_lock_init(&cur_trans->dropped_roots_lock); dropped_roots_lock 352 fs/btrfs/transaction.c spin_lock(&cur_trans->dropped_roots_lock); dropped_roots_lock 354 fs/btrfs/transaction.c spin_unlock(&cur_trans->dropped_roots_lock); dropped_roots_lock 85 fs/btrfs/transaction.h spinlock_t dropped_roots_lock;