diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 3 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 4 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 8 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_worker.c | 16 |
4 files changed, 25 insertions, 6 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 3c8eecd9666d..cfe7fff459e3 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -850,6 +850,7 @@ enum { GOT_PING_ACK, /* set when we receive a ping_ack packet, misc wait gets woken */ NEW_CUR_UUID, /* Create new current UUID when thawing IO */ AL_SUSPENDED, /* Activity logging is currently suspended. */ + AHEAD_TO_SYNC_SOURCE, /* Ahead -> SyncSource queued */ }; struct drbd_bitmap; /* opaque for drbd_conf */ @@ -961,6 +962,7 @@ struct drbd_conf { start_resync_work; struct timer_list resync_timer; struct timer_list md_sync_timer; + struct timer_list start_resync_timer; #ifdef DRBD_DEBUG_MD_SYNC struct { unsigned int line; @@ -1544,6 +1546,7 @@ extern int w_send_oos(struct drbd_conf *, struct drbd_work *, int); extern int w_start_resync(struct drbd_conf *, struct drbd_work *, int); extern void resync_timer_fn(unsigned long data); +extern void start_resync_timer_fn(unsigned long data); /* drbd_receiver.c */ extern int drbd_rs_should_slow_down(struct drbd_conf *mdev, sector_t sector); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index b3b6d3190f65..8ec7c65988be 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2984,12 +2984,16 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) mdev->go_diskless.cb = w_go_diskless; mdev->md_sync_work.cb = w_md_sync; mdev->bm_io_work.w.cb = w_bitmap_io; + mdev->start_resync_work.cb = w_start_resync; init_timer(&mdev->resync_timer); init_timer(&mdev->md_sync_timer); + init_timer(&mdev->start_resync_timer); mdev->resync_timer.function = resync_timer_fn; mdev->resync_timer.data = (unsigned long) mdev; mdev->md_sync_timer.function = md_sync_timer_fn; mdev->md_sync_timer.data = (unsigned long) mdev; + mdev->start_resync_timer.function = start_resync_timer_fn; + mdev->start_resync_timer.data = (unsigned long) mdev; init_waitqueue_head(&mdev->misc_wait); init_waitqueue_head(&mdev->state_wait); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 7991183749e3..18cb8b609fe4 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -4392,11 +4392,9 @@ static int got_BarrierAck(struct drbd_conf *mdev, struct p_header80 *h) if (mdev->state.conn == C_AHEAD && atomic_read(&mdev->ap_in_flight) == 0 && - atomic_read(&mdev->rs_pending_cnt) == 0 && - list_empty(&mdev->start_resync_work.list)) { - struct drbd_work *w = &mdev->start_resync_work; - w->cb = w_start_resync; - drbd_queue_work(&mdev->data.work, w); + !test_and_set_bit(AHEAD_TO_SYNC_SOURCE, &mdev->current_epoch->flags)) { + mdev->start_resync_timer.expires = jiffies + HZ; + add_timer(&mdev->start_resync_timer); } return true; diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 147f76b26810..3a95b701b5d0 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -712,10 +712,24 @@ static int w_make_ov_request(struct drbd_conf *mdev, struct drbd_work *w, int ca } +void start_resync_timer_fn(unsigned long data) +{ + struct drbd_conf *mdev = (struct drbd_conf *) data; + + drbd_queue_work(&mdev->data.work, &mdev->start_resync_work); +} + int w_start_resync(struct drbd_conf *mdev, struct drbd_work *w, int cancel) { - drbd_start_resync(mdev, C_SYNC_SOURCE); + if (atomic_read(&mdev->unacked_cnt) || atomic_read(&mdev->rs_pending_cnt)) { + dev_warn(DEV, "w_start_resync later...\n"); + mdev->start_resync_timer.expires = jiffies + HZ/10; + add_timer(&mdev->start_resync_timer); + return 1; + } + drbd_start_resync(mdev, C_SYNC_SOURCE); + clear_bit(AHEAD_TO_SYNC_SOURCE, &mdev->current_epoch->flags); return 1; } |