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nvme: centralize ctrl removal prints 

nvme_delete_ctrl can be called from various contexts in parallel,
and cause duplicated information prints, even though the specific
context doesn't perform the actual removal. Instead, print the
information when the actual removal occurs.

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Max Gurtovoy 2018-03-11 17:46:06 +02:00 committed by Jens Axboe
parent 97c122233f
commit 77d0612da0
3 changed files with 8 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/nvme/host/core.c
View File

@ -130,6 +130,9 @@ static void nvme_delete_ctrl_work(struct work_struct *work)
struct nvme_ctrl *ctrl =
container_of(work, struct nvme_ctrl, delete_work);
dev_info(ctrl->device,
"Removing ctrl: NQN \"%s\"\n", ctrl->opts->subsysnqn);
flush_work(&ctrl->reset_work);
nvme_stop_ctrl(ctrl);
nvme_remove_namespaces(ctrl);

13
drivers/nvme/host/fc.c
View File

@ -768,8 +768,7 @@ nvme_fc_ctrl_connectivity_loss(struct nvme_fc_ctrl *ctrl)
*/
if (nvme_reset_ctrl(&ctrl->ctrl)) {
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: Couldn't schedule reset. "
"Deleting controller.\n",
"NVME-FC{%d}: Couldn't schedule reset.\n",
ctrl->cnum);
nvme_delete_ctrl(&ctrl->ctrl);
}
@ -836,8 +835,7 @@ nvme_fc_unregister_remoteport(struct nvme_fc_remote_port *portptr)
/* if dev_loss_tmo==0, dev loss is immediate */
if (!portptr->dev_loss_tmo) {
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: controller connectivity lost. "
"Deleting controller.\n",
"NVME-FC{%d}: controller connectivity lost.\n",
ctrl->cnum);
nvme_delete_ctrl(&ctrl->ctrl);
} else
@ -2882,14 +2880,13 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
if (portptr->port_state == FC_OBJSTATE_ONLINE)
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: Max reconnect attempts (%d) "
"reached. Removing controller\n",
"reached.\n",
ctrl->cnum, ctrl->ctrl.nr_reconnects);
else
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: dev_loss_tmo (%d) expired "
"while waiting for remoteport connectivity. "
"Removing controller\n", ctrl->cnum,
portptr->dev_loss_tmo);
"while waiting for remoteport connectivity.\n",
ctrl->cnum, portptr->dev_loss_tmo);
WARN_ON(nvme_delete_ctrl(&ctrl->ctrl));
}
}

4
drivers/nvme/host/rdma.c
View File

@ -899,7 +899,6 @@ static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl)
queue_delayed_work(nvme_wq, &ctrl->reconnect_work,
ctrl->ctrl.opts->reconnect_delay * HZ);
} else {
dev_info(ctrl->ctrl.device, "Removing controller...\n");
nvme_delete_ctrl(&ctrl->ctrl);
}
}
@ -2031,9 +2030,6 @@ static void nvme_rdma_remove_one(struct ib_device *ib_device, void *client_data)
list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list) {
if (ctrl->device->dev != ib_device)
continue;
dev_info(ctrl->ctrl.device,
"Removing ctrl: NQN \"%s\", addr %pISp\n",
ctrl->ctrl.opts->subsysnqn, &ctrl->addr);
nvme_delete_ctrl(&ctrl->ctrl);
}
mutex_unlock(&nvme_rdma_ctrl_mutex);