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| author | Christoph Hellwig | 2015-11-28 15:41:58 +0100 |
|---|---|---|
| committer | Jens Axboe | 2015-12-22 17:38:34 +0100 |
| commit | 7688faa6dd2c99ce5d66571d9ad65535ec39e8cb (patch) | |
| tree | c7e225f067d931754c400635cde063dba49e0ed1 /drivers/nvme/host/nvme.h | |
| parent | nvme: fix admin queue depth (diff) | |
| download | kernel-qcow2-linux-7688faa6dd2c99ce5d66571d9ad65535ec39e8cb.tar.gz kernel-qcow2-linux-7688faa6dd2c99ce5d66571d9ad65535ec39e8cb.tar.xz kernel-qcow2-linux-7688faa6dd2c99ce5d66571d9ad65535ec39e8cb.zip | |
nvme: factor out a few helpers from req_completion
We'll need them in other places later.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index aa4b42ecbebe..b0417622d27c 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -216,6 +216,12 @@ static inline int nvme_error_status(u16 status) } } +static inline bool nvme_req_needs_retry(struct request *req, u16 status) +{ + return !(status & NVME_SC_DNR || blk_noretry_request(req)) && + (jiffies - req->start_time) < req->timeout; +} + int nvme_disable_ctrl(struct nvme_ctrl *ctrl, u64 cap); int nvme_enable_ctrl(struct nvme_ctrl *ctrl, u64 cap); int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl); @@ -230,6 +236,7 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl); struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, unsigned int flags); +void nvme_requeue_req(struct request *req); int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, void *buf, unsigned bufflen); int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, |