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From: maxg@mellanox.com (Max Gurtovoy)
Subject: [PATCH 1/3] nvmet-rdma: use srq pointer in rdma_cmd
Date: Tue,  5 Sep 2017 13:59:15 +0300	[thread overview]
Message-ID: <1504609157-3004-2-git-send-email-maxg@mellanox.com> (raw)
In-Reply-To: <1504609157-3004-1-git-send-email-maxg@mellanox.com>

This is a preparetion patch that creates an infrastructure in post
recv mechanism for the SRQ per completion vector feature.

Signed-off-by: Max Gurtovoy <maxg at mellanox.com>
---
 drivers/nvme/target/rdma.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 56a4cba..fb322b3 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -45,6 +45,7 @@ struct nvmet_rdma_cmd {
 	struct page		*inline_page;
 	struct nvme_command     *nvme_cmd;
 	struct nvmet_rdma_queue	*queue;
+	struct ib_srq		*srq;
 };
 
 enum {
@@ -442,8 +443,8 @@ static int nvmet_rdma_post_recv(struct nvmet_rdma_device *ndev,
 		cmd->sge[0].addr, cmd->sge[0].length,
 		DMA_FROM_DEVICE);
 
-	if (ndev->srq)
-		return ib_post_srq_recv(ndev->srq, &cmd->wr, &bad_wr);
+	if (cmd->srq)
+		return ib_post_srq_recv(cmd->srq, &cmd->wr, &bad_wr);
 	return ib_post_recv(cmd->queue->cm_id->qp, &cmd->wr, &bad_wr);
 }
 
@@ -819,8 +820,10 @@ static int nvmet_rdma_init_srq(struct nvmet_rdma_device *ndev)
 	ndev->srq = srq;
 	ndev->srq_size = srq_size;
 
-	for (i = 0; i < srq_size; i++)
+	for (i = 0; i < srq_size; i++) {
+		ndev->srq_cmds[i].srq = srq;
 		nvmet_rdma_post_recv(ndev, &ndev->srq_cmds[i]);
+	}
 
 	return 0;
 
-- 
1.7.1

  reply	other threads:[~2017-09-05 10:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-05 10:59 [PATCH 0/3] nvmet-rdma: SRQ per completion vector Max Gurtovoy
2017-09-05 10:59 ` Max Gurtovoy [this message]
2017-09-06 10:30   ` [PATCH 1/3] nvmet-rdma: use srq pointer in rdma_cmd Christoph Hellwig
2017-09-05 10:59 ` [PATCH 2/3] nvmet-rdma: use SRQ per completion vector Max Gurtovoy
2017-09-06 10:38   ` Christoph Hellwig
2017-09-06 14:57     ` Sagi Grimberg
2017-09-07 12:03       ` Christoph Hellwig
2017-09-06 14:50   ` Sagi Grimberg
2017-09-07 10:47     ` Max Gurtovoy
2017-09-05 10:59 ` [PATCH 3/3] nvmet-rdma: add module parameter for SRQ size Max Gurtovoy
2017-09-06 10:39   ` Christoph Hellwig
2017-09-06 15:02   ` Sagi Grimberg
2017-09-06 14:40 ` [PATCH 0/3] nvmet-rdma: SRQ per completion vector Sagi Grimberg
2017-11-07 14:40 ` Max Gurtovoy
2017-11-08 10:07   ` Sagi Grimberg

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