diff options
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 449123eb54bf..5bbd312c3e14 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -471,20 +471,6 @@ void _drbd_thread_stop(struct drbd_thread *thi, int restart, int wait) wait_for_completion(&thi->stop); } -int conn_lowest_minor(struct drbd_connection *connection) -{ - struct drbd_peer_device *peer_device; - int vnr = 0, minor = -1; - - rcu_read_lock(); - peer_device = idr_get_next(&connection->peer_devices, &vnr); - if (peer_device) - minor = device_to_minor(peer_device->device); - rcu_read_unlock(); - - return minor; -} - #ifdef CONFIG_SMP /* * drbd_calc_cpu_mask() - Generate CPU masks, spread over all CPUs @@ -3399,10 +3385,12 @@ void drbd_uuid_new_current(struct drbd_device *device) __must_hold(local) void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local) { unsigned long flags; - if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) + spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); + if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) { + spin_unlock_irqrestore(&device->ldev->md.uuid_lock, flags); return; + } - spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); if (val == 0) { drbd_uuid_move_history(device); device->ldev->md.uuid[UI_HISTORY_START] = device->ldev->md.uuid[UI_BITMAP]; |