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| 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/fc.c | |
| parent | 78ca40724713bd422873cb4ebee86f9f499650f7 (diff) | |
| download | lwn-622b8b6893ff3096e130250c1298adf57a0cab03.tar.gz lwn-622b8b6893ff3096e130250c1298adf57a0cab03.zip | |
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/fc.c')
| -rw-r--r-- | drivers/nvme/host/fc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 232d8094091b..f39ed8cc23a2 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2774,6 +2774,7 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl) nvme_stop_queues(&ctrl->ctrl); blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_fc_terminate_exchange, &ctrl->ctrl); + blk_mq_tagset_wait_completed_request(&ctrl->tag_set); } /* @@ -2796,6 +2797,7 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl) blk_mq_quiesce_queue(ctrl->ctrl.admin_q); blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_fc_terminate_exchange, &ctrl->ctrl); + blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set); /* kill the aens as they are a separate path */ nvme_fc_abort_aen_ops(ctrl); |