From: Philipp Reisner Date: Thu, 9 Sep 2010 12:22:21 +0000 (+0200) Subject: drbd: Fixed compatibility with protocol versions smaller than 95 X-Git-Tag: firefly_0821_release~7613^2~3690^2~24 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5a75cc7cfbb98e896232902214432dae30653dfe;p=firefly-linux-kernel-4.4.55.git drbd: Fixed compatibility with protocol versions smaller than 95 Forgot to consider the max size for the resync requests. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index c72a5fc1c88e..daa672fc46e9 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -534,8 +534,9 @@ int w_make_resync_request(struct drbd_conf *mdev, /* starting with drbd 8.3.8, we can handle multi-bio EEs, * if it should be necessary */ - max_segment_size = mdev->agreed_pro_version < 94 ? - queue_max_segment_size(mdev->rq_queue) : DRBD_MAX_SEGMENT_SIZE; + max_segment_size = + mdev->agreed_pro_version < 94 ? queue_max_segment_size(mdev->rq_queue) : + mdev->agreed_pro_version < 95 ? DRBD_MAX_SIZE_H80_PACKET : DRBD_MAX_SEGMENT_SIZE; if (mdev->rs_plan_s.size) { /* mdev->sync_conf.c_plan_ahead */ number = drbd_rs_controller(mdev) >> (BM_BLOCK_SHIFT - 9);