From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kwan.huen" Subject: [PATCH 1/2] added stream id write support Date: Mon, 20 Apr 2015 18:47:42 -0700 Message-ID: <1429580863-3451-2-git-send-email-kwan.huen@samsung.com> References: <1429580863-3451-1-git-send-email-kwan.huen@samsung.com> Return-path: In-reply-to: <1429580863-3451-1-git-send-email-kwan.huen-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matthew Wilcox , Keith Busch , Jens Axboe , kwan.huen-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, Dimitri John Ledkov Cc: linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-api@vger.kernel.org --- drivers/block/nvme-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 85b8036..332341a 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -769,6 +769,9 @@ static int nvme_submit_iod(struct nvme_queue *nvmeq, struct nvme_iod *iod, if (req->cmd_flags & REQ_RAHEAD) dsmgmt |= NVME_RW_DSM_FREQ_PREFETCH; + if (rq_data_dir(req)) + dsmgmt |= bio_get_streamid(req->bio) << 8; + cmnd = &nvmeq->sq_cmds[nvmeq->sq_tail]; memset(cmnd, 0, sizeof(*cmnd)); -- 1.9.1