diff options
| author | Ming Lei <ming.lei@redhat.com> | 2019-07-24 11:48:42 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-04 21:41:29 -0600 |
| commit | 622b8b6893ff3096e130250c1298adf57a0cab03 (patch) | |
| tree | 43fe9b701fb75bdb6755a6f5c0849ad0605bf450 /drivers/nvme/host/rdma.c | |
| parent | 78ca40724713bd422873cb4ebee86f9f499650f7 (diff) | |
nvme: wait until all completed request's complete fn is called
When aborting in-flight request for recovering controller, we have
to make sure that queue's complete function is called on completed
request before moving on. Otherwise, for example, the warning of
WARN_ON_ONCE(qp->mrs_used > 0) in ib_destroy_qp_user() may be
triggered on nvme-rdma.
Fix this issue by using blk_mq_tagset_wait_completed_request.
Cc: Max Gurtovoy <maxg@mellanox.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/rdma.c')
| -rw-r--r-- | drivers/nvme/host/rdma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index a249db528d54..b313a60be1ca 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -901,9 +901,11 @@ static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl, { blk_mq_quiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_stop_queue(&ctrl->queues[0]); - if (ctrl->ctrl.admin_tagset) + if (ctrl->ctrl.admin_tagset) { blk_mq_tagset_busy_iter(ctrl->ctrl.admin_tagset, nvme_cancel_request, &ctrl->ctrl); + blk_mq_tagset_wait_completed_request(ctrl->ctrl.admin_tagset); + } blk_mq_unquiesce_queue(ctrl->ctrl.admin_q); nvme_rdma_destroy_admin_queue(ctrl, remove); } @@ -914,9 +916,11 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl, if (ctrl->ctrl.queue_count > 1) { nvme_stop_queues(&ctrl->ctrl); nvme_rdma_stop_io_queues(ctrl); - if (ctrl->ctrl.tagset) + if (ctrl->ctrl.tagset) { blk_mq_tagset_busy_iter(ctrl->ctrl.tagset, nvme_cancel_request, &ctrl->ctrl); + blk_mq_tagset_wait_completed_request(ctrl->ctrl.tagset); + } if (remove) nvme_start_queues(&ctrl->ctrl); nvme_rdma_destroy_io_queues(ctrl, remove); |