diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index c194348a46e..e9654c8d5b6 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -943,7 +943,8 @@ struct drbd_conf { struct drbd_work resync_work, unplug_work, md_sync_work, - delay_probe_work; + delay_probe_work, + uuid_work; struct timer_list resync_timer; struct timer_list md_sync_timer; struct timer_list delay_probe_timer; @@ -1068,6 +1069,7 @@ struct drbd_conf { struct timeval dps_time; /* delay-probes-start-time */ unsigned int dp_volume_last; /* send_cnt of last delay probe */ int c_sync_rate; /* current resync rate after delay_probe magic */ + atomic_t new_c_uuid; }; static inline struct drbd_conf *minor_to_mdev(unsigned int minor) @@ -2217,6 +2219,8 @@ static inline int __inc_ap_bio_cond(struct drbd_conf *mdev) return 0; if (test_bit(BITMAP_IO, &mdev->flags)) return 0; + if (atomic_read(&mdev->new_c_uuid)) + return 0; return 1; } @@ -2237,6 +2241,9 @@ static inline void inc_ap_bio(struct drbd_conf *mdev, int count) * to avoid races with the reconnect code, * we need to atomic_inc within the spinlock. */ + if (atomic_read(&mdev->new_c_uuid) && atomic_add_unless(&mdev->new_c_uuid, -1, 1)) + drbd_queue_work_front(&mdev->data.work, &mdev->uuid_work); + spin_lock_irq(&mdev->req_lock); while (!__inc_ap_bio_cond(mdev)) { prepare_to_wait(&mdev->misc_wait, &wait, TASK_UNINTERRUPTIBLE); |