33 		if (atomic_read(&eb->blocking_writers) == 0) {  in btrfs_set_lock_blocking_rw()
37 			atomic_inc(&eb->blocking_writers);  in btrfs_set_lock_blocking_rw()
65 		BUG_ON(atomic_read(&eb->blocking_writers) != 1);  in btrfs_clear_lock_blocking_rw()
70 		if (atomic_dec_and_test(&eb->blocking_writers))  in btrfs_clear_lock_blocking_rw()
89 	BUG_ON(!atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
93 	if (atomic_read(&eb->blocking_writers) &&  in btrfs_tree_read_lock()
106 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock()
109 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_read_lock()
123 	if (atomic_read(&eb->blocking_writers))  in btrfs_tree_read_lock_atomic()
127 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_read_lock_atomic()
142 	if (atomic_read(&eb->blocking_writers))  in btrfs_try_tree_read_lock()
148 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_try_tree_read_lock()
163 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
168 	if (atomic_read(&eb->blocking_writers) ||  in btrfs_try_tree_write_lock()
233 	wait_event(eb->write_lock_wq, atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
241 	if (atomic_read(&eb->blocking_writers)) {  in btrfs_tree_lock()
244 			   atomic_read(&eb->blocking_writers) == 0);  in btrfs_tree_lock()
258 	int blockers = atomic_read(&eb->blocking_writers);  in btrfs_tree_unlock()
268 		atomic_dec(&eb->blocking_writers);  in btrfs_tree_unlock()