On Sun, Jul 22, 2018 at 12:49:58PM +0300, Max Gurtovoy wrote:
> 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@xxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Signed-off-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
> ---
> drivers/nvme/host/core.c | 23 +++++++++++++--
> drivers/nvme/host/nvme.h | 9 +-----
> drivers/nvme/host/pci.c | 75 +-----------------------------------------------
> 3 files changed, 23 insertions(+), 84 deletions(-)
>
> diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
> index 46df030b2c3f..0d94d3eb641c 100644
> --- a/drivers/nvme/host/core.c
> +++ b/drivers/nvme/host/core.c
> @@ -591,6 +591,7 @@ static inline blk_status_t nvme_setup_rw(struct nvme_ns *ns,
> nvme_assign_write_stream(ctrl, req, &control, &dsmgmt);
>
> if (ns->ms) {
> + u32 ref_tag = nvme_block_nr(ns, blk_rq_pos(req));
> /*
Please add an empty line here.
> +void nvme_cleanup_cmd(struct request *req)
> +{
> + if (blk_integrity_rq(req) && req_op(req) == REQ_OP_READ &&
> + nvme_error_status(req) == BLK_STS_OK) {
This line can simply be nvme_req(req)->status == 0
