From 21423fa79119a80e335de0c82ec29f67ed59f1bc Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Tue, 17 May 2011 14:19:41 +0200 Subject: [PATCH] drbd: Fixed state transitions after async outdate-peer-handler returned Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_nl.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 03b29f7..9dfe58a 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -272,9 +272,22 @@ static int _try_outdate_peer_async(void *data) { struct drbd_conf *mdev = (struct drbd_conf *)data; enum drbd_disk_state nps; + union drbd_state ns; nps = drbd_try_outdate_peer(mdev); - drbd_request_state(mdev, NS(pdsk, nps)); + + /* Not using + drbd_request_state(mdev, NS(pdsk, nps)); + here, because we might were able to re-establish the connection in the + meantime. + */ + spin_lock_irq(&mdev->req_lock); + ns = mdev->state; + if (ns.conn < C_WF_REPORT_PARAMS) { + ns.pdsk = nps; + _drbd_set_state(mdev, ns, CS_VERBOSE, NULL); + } + spin_unlock_irq(&mdev->req_lock); return 0; } -- 2.7.4