Commit 7cf0d7c0 authored by Sagi Grimberg's avatar Sagi Grimberg
Browse files

nvme: have nvme_wait_freeze_timeout return if it timed out 



Users can detect if the wait has completed or not and take appropriate
actions based on this information (e.g. weather to continue
initialization or rather fail and schedule another initialization
attempt).

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
parent d7144f5c

drivers/nvme/host/core.c

+2 −1
Original line number Diff line number Diff line
@@ -4534,7 +4534,7 @@ void nvme_unfreeze(struct nvme_ctrl *ctrl) 
}

EXPORT_SYMBOL_GPL(nvme_unfreeze);



void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout)

int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout)

{

	struct nvme_ns *ns;
@@ -4545,6 +4545,7 @@ void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout) 
			break;

	}

	up_read(&ctrl->namespaces_rwsem);

	return timeout;

}

EXPORT_SYMBOL_GPL(nvme_wait_freeze_timeout);

drivers/nvme/host/nvme.h

+1 −1
Original line number Diff line number Diff line
@@ -605,7 +605,7 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl); 
void nvme_sync_queues(struct nvme_ctrl *ctrl);

void nvme_unfreeze(struct nvme_ctrl *ctrl);

void nvme_wait_freeze(struct nvme_ctrl *ctrl);

void nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout);

int nvme_wait_freeze_timeout(struct nvme_ctrl *ctrl, long timeout);

void nvme_start_freeze(struct nvme_ctrl *ctrl);



#define NVME_QID_ANY -1

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