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| author |   Lars Ellenberg <lars.ellenberg@linbit.com> | 2014-03-20 11:19:22 +0100 |
|---|---|---|
| committer |   Philipp Reisner <philipp.reisner@linbit.com> | 2014-07-10 18:35:02 +0200 |
| commit | 08d0dabf48ccf55e310b8ae9381858b477cabe2e (patch) | |
| tree | f59b53661650af6df67e71e958ca981ec0e2cdd6 /drivers/block/drbd/drbd_receiver.c | |
| parent | drbd: New net configuration option socket-check-timeout (diff) | |
| download | linux-dev-08d0dabf48ccf55e310b8ae9381858b477cabe2e.tar.xz linux-dev-08d0dabf48ccf55e310b8ae9381858b477cabe2e.zip | |
drbd: application writes may set-in-sync in protocol != C
If "dirty" blocks are written to during resync,
that brings them in-sync.
By explicitly requesting write-acks during resync even in protocol != C,
we now can actually respect this.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index b89e6fb468c6..3a3c4893ea26 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1930,6 +1930,7 @@ static int e_end_block(struct drbd_work *w, int cancel) } dec_unacked(device); } + /* we delete from the conflict detection hash _after_ we sent out the * P_WRITE_ACK / P_NEG_ACK, to get the sequence number right. */ if (peer_req->flags & EE_IN_INTERVAL_TREE) { @@ -2156,6 +2157,8 @@ static int handle_write_conflicts(struct drbd_device *device, drbd_for_each_overlap(i, &device->write_requests, sector, size) { if (i == &peer_req->i) continue; + if (i->completed) + continue; if (!i->local) { /* |