From 370a43e7982dd497822097e0ae6022947ac2e7d4 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Fri, 14 Jan 2011 16:03:11 +0100 Subject: drbd: Work on the Ahead -> SyncSource transition The test if rs_pending_cnt == 0 was too weak. Using Test for unacked_cnt == 0 instead. Moved that into the worker. Since unacked_cnt gets already increased when an P_RS_DATA_REQ comes in. Also using a timer to make Ahead -> SyncSource -> Ahead cycles slower... Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_int.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/block/drbd/drbd_int.h') diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 3c8eecd..cfe7fff 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); -- cgit v1.1