diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2013-06-25 16:50:06 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-06-28 16:04:36 +0200 |
| commit | 28e448bb30d0f3fc7daa652d2d3a30adaf9e171b (patch) | |
| tree | a55a604af453136e8021e62f4ab9656e7a3da4ec /drivers/block/drbd/drbd_nl.c | |
| parent | f9eb7bf424e766e00bbc6d69fd7eaaf4bd003cf9 (diff) | |
drbd: Ignore the exit code of a fence-peer handler if it returns too late
In case the connection was established and lost again before
the a fence-peer handler returns, ignore the exit code of this
instance. (And use the exit code of the later started instance)
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 0936d6aabef..e25803b447f 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -417,6 +417,7 @@ static enum drbd_fencing_p highest_fencing_policy(struct drbd_tconn *tconn) bool conn_try_outdate_peer(struct drbd_tconn *tconn) { + unsigned int connect_cnt; union drbd_state mask = { }; union drbd_state val = { }; enum drbd_fencing_p fp; @@ -428,6 +429,10 @@ bool conn_try_outdate_peer(struct drbd_tconn *tconn) return false; } + spin_lock_irq(&tconn->req_lock); + connect_cnt = tconn->connect_cnt; + spin_unlock_irq(&tconn->req_lock); + fp = highest_fencing_policy(tconn); switch (fp) { case FP_NOT_AVAIL: @@ -492,8 +497,14 @@ bool conn_try_outdate_peer(struct drbd_tconn *tconn) here, because we might were able to re-establish the connection in the meantime. */ spin_lock_irq(&tconn->req_lock); - if (tconn->cstate < C_WF_REPORT_PARAMS && !test_bit(STATE_SENT, &tconn->flags)) - _conn_request_state(tconn, mask, val, CS_VERBOSE); + if (tconn->cstate < C_WF_REPORT_PARAMS && !test_bit(STATE_SENT, &tconn->flags)) { + if (tconn->connect_cnt != connect_cnt) + /* In case the connection was established and droped + while the fence-peer handler was running, ignore it */ + conn_info(tconn, "Ignoring fence-peer exit code\n"); + else + _conn_request_state(tconn, mask, val, CS_VERBOSE); + } spin_unlock_irq(&tconn->req_lock); return conn_highest_pdsk(tconn) <= D_OUTDATED; |