diff options
| author |   Max Gurtovoy <maxg@mellanox.com> | 2018-07-30 00:15:33 +0300 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-07-30 08:27:04 -0600 |
| commit | f7f1fc363aab4601786d373569c1ae802ea593d0 (patch) | |
| tree | fbaf3b684a2bc832edf2a68e8ce4d983a23bfae6 /drivers/nvme/host/nvme.h | |
| parent | block: move dif_prepare/dif_complete functions to block layer (diff) | |
| download | linux-dev-f7f1fc363aab4601786d373569c1ae802ea593d0.tar.xz linux-dev-f7f1fc363aab4601786d373569c1ae802ea593d0.zip | |
nvme: use blk API to remap ref tags for IOs with metadata
Also moved the logic of the remapping to the nvme core driver instead
of implementing it in the nvme pci driver. This way all the other nvme
transport drivers will benefit from it (in case they'll implement metadata
support).
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 4ad0c8ad2a27..cf970f9543a6 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -364,14 +364,6 @@ static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector) return (sector >> (ns->lba_shift - 9)); } -static inline void nvme_cleanup_cmd(struct request *req) -{ - if (req->rq_flags & RQF_SPECIAL_PAYLOAD) { - kfree(page_address(req->special_vec.bv_page) + - req->special_vec.bv_offset); - } -} - static inline void nvme_end_request(struct request *req, __le16 status, union nvme_result result) { @@ -428,6 +420,7 @@ void nvme_start_freeze(struct nvme_ctrl *ctrl); #define NVME_QID_ANY -1 struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid); +void nvme_cleanup_cmd(struct request *req); blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req, struct nvme_command *cmd); int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, |