diff options
| author | Chao Leng <lengchao@huawei.com> | 2020-08-18 09:11:32 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-08-21 17:14:28 -0600 |
| commit | 5eac5f3342b20825260d3800e7f5f74f12bac931 (patch) | |
| tree | f65fb11a3637f89cad5e07d539a6752363544a94 /drivers | |
| parent | 1e41f3bd26f79463c07aebf062a0a77f1fd39b2b (diff) | |
nvme: redirect commands on dying queue
If a command send through nvme-multipath failed on a dying queue, resend it
on another path.
Signed-off-by: Chao Leng <lengchao@huawei.com>
[hch: rebased on top of the completion refactoring]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nvme/host/core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9e75f6f62471..c9826ecf80e2 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -274,13 +274,14 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req) return COMPLETE; if (req->cmd_flags & REQ_NVME_MPATH) { - if (nvme_is_path_error(nvme_req(req)->status)) + if (nvme_is_path_error(nvme_req(req)->status) || + blk_queue_dying(req->q)) return FAILOVER; + } else { + if (blk_queue_dying(req->q)) + return COMPLETE; } - if (blk_queue_dying(req->q)) - return COMPLETE; - return RETRY; } |