This is a note to let you know that I've just added the patch titled RDMA/rtrs: Introduce rtrs_post_send to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rdma-rtrs-introduce-rtrs_post_send.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b81daa604b041a4ad7d67d672a40a8ec4bb5258a Author: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx> Date: Fri Oct 23 09:43:52 2020 +0200 RDMA/rtrs: Introduce rtrs_post_send [ Upstream commit e6ab8cf50fa1c38652feba3e4921c60538236f30 ] Since the three functions share the similar logic, let's introduce one common function for it. Link: https://lore.kernel.org/r/20201023074353.21946-12-jinpu.wang@xxxxxxxxxxxxxxx Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c index 8321e8a52045..97af8f0bb806 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs.c +++ b/drivers/infiniband/ulp/rtrs/rtrs.c @@ -104,6 +104,22 @@ int rtrs_post_recv_empty(struct rtrs_con *con, struct ib_cqe *cqe) } EXPORT_SYMBOL_GPL(rtrs_post_recv_empty); +static int rtrs_post_send(struct ib_qp *qp, struct ib_send_wr *head, + struct ib_send_wr *wr) +{ + if (head) { + struct ib_send_wr *tail = head; + + while (tail->next) + tail = tail->next; + tail->next = wr; + } else { + head = wr; + } + + return ib_post_send(qp, head, NULL); +} + int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, struct ib_send_wr *head) { @@ -126,17 +142,7 @@ int rtrs_iu_post_send(struct rtrs_con *con, struct rtrs_iu *iu, size_t size, .send_flags = IB_SEND_SIGNALED, }; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = ≀ - } else { - head = ≀ - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr); } EXPORT_SYMBOL_GPL(rtrs_iu_post_send); @@ -168,17 +174,7 @@ int rtrs_iu_post_rdma_write_imm(struct rtrs_con *con, struct rtrs_iu *iu, if (WARN_ON(sge[i].length == 0)) return -EINVAL; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = &wr.wr; - } else { - head = &wr.wr; - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr.wr); } EXPORT_SYMBOL_GPL(rtrs_iu_post_rdma_write_imm); @@ -195,17 +191,7 @@ int rtrs_post_rdma_write_imm_empty(struct rtrs_con *con, struct ib_cqe *cqe, .ex.imm_data = cpu_to_be32(imm_data), }; - if (head) { - struct ib_send_wr *tail = head; - - while (tail->next) - tail = tail->next; - tail->next = ≀ - } else { - head = ≀ - } - - return ib_post_send(con->qp, head, NULL); + return rtrs_post_send(con->qp, head, &wr); } EXPORT_SYMBOL_GPL(rtrs_post_rdma_write_imm_empty);