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nvme-fc: release io queues to allow fast fail 

Rather than leaving io queues quiesced after tearing down an association,
restart them. This allows ios to be replayed, with fastfail ios terminating
and non-fastfail getting into loops of retry.

This follows rdma's lead.

Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Sagi Grimberg <sagi@grimber.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
hifive-unleashed-5.1
James Smart 2018-06-20 07:44:12 -07:00 committed by Christoph Hellwig
parent d68a90e148
commit 02d62a8bc4
1 changed files with 3 additions and 3 deletions
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6
drivers/nvme/host/fc.c
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@ -2790,6 +2790,9 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl)
/* re-enable the admin_q so anything new can fast fail */
blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
/* resume the io queues so that things will fast fail */
nvme_start_queues(&ctrl->ctrl);
nvme_fc_ctlr_inactive_on_rport(ctrl);
}
@ -2804,9 +2807,6 @@ nvme_fc_delete_ctrl(struct nvme_ctrl *nctrl)
* waiting for io to terminate
*/
nvme_fc_delete_association(ctrl);
/* resume the io queues so that things will fast fail */
nvme_start_queues(nctrl);
}
static void