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Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 0befaad788a0..02579f4f776c 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -355,6 +355,21 @@ void nvme_complete_rq(struct request *req) } EXPORT_SYMBOL_GPL(nvme_complete_rq); +/* + * Called to unwind from ->queue_rq on a failed command submission so that the + * multipathing code gets called to potentially failover to another path. + * The caller needs to unwind all transport specific resource allocations and + * must return propagate the return value. + */ +blk_status_t nvme_host_path_error(struct request *req) +{ + nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR; + blk_mq_set_request_complete(req); + nvme_complete_rq(req); + return BLK_STS_OK; +} +EXPORT_SYMBOL_GPL(nvme_host_path_error); + bool nvme_cancel_request(struct request *req, void *data, bool reserved) { dev_dbg_ratelimited(((struct nvme_ctrl *) data)->device, |