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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2011-01-20 10:47:53 +0100 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2011-03-10 11:47:55 +0100 |
| commit | 54b956abef2c1ab339fd01792e69e4a921a5e487 (patch) | |
| tree | e489b7742b99e8cfda55d75dc4675d3f00c40af0 | |
| parent | 194bfb32dba8345a7e0f83e9b1ee965e14d4b679 (diff) | |
| download | kernel_samsung_espresso10-54b956abef2c1ab339fd01792e69e4a921a5e487.zip kernel_samsung_espresso10-54b956abef2c1ab339fd01792e69e4a921a5e487.tar.gz kernel_samsung_espresso10-54b956abef2c1ab339fd01792e69e4a921a5e487.tar.bz2 | |
drbd: don't pointlessly queue bitmap send, if we lost connection
This is a minor optimization and cleanup,
and also considerably reduces some harmless (but noisy) race with
the connection cleanup code.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 34ee8e4..1caced0 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1428,8 +1428,13 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os, drbd_send_uuids(mdev); drbd_send_state(mdev); } - if (os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S) - drbd_queue_bitmap_io(mdev, &drbd_send_bitmap, NULL, "send_bitmap (WFBitMapS)"); + /* No point in queuing send_bitmap if we don't have a connection + * anymore, so check also the _current_ state, not only the new state + * at the time this work was queued. */ + if (os.conn != C_WF_BITMAP_S && ns.conn == C_WF_BITMAP_S && + mdev->state.conn == C_WF_BITMAP_S) + drbd_queue_bitmap_io(mdev, &drbd_send_bitmap, NULL, + "send_bitmap (WFBitMapS)"); /* Lost contact to peer's copy of the data */ if ((os.pdsk >= D_INCONSISTENT && |