diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index c49dc085d93a..7896a648d4ad 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -171,7 +171,9 @@ drbd_insert_fault(struct drbd_conf *mdev, unsigned int type) { extern struct ratelimit_state drbd_ratelimit_state; extern struct idr minors; extern struct list_head drbd_tconns; -extern struct mutex drbd_cfg_mutex; +extern struct rw_semaphore drbd_cfg_rwsem; +/* drbd_cfg_rwsem protects: drbd_tconns list, + note: non sleeping iterations over the idrs are protoected by RCU */ /* on the wire */ enum drbd_packet { |