From patchwork Mon Dec 4 14:58:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 13478650 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C901F28E07; Mon, 4 Dec 2023 14:58:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S6Yz6U4F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10CF4C433C7; Mon, 4 Dec 2023 14:58:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701701882; bh=Ifs1b4D+12H3+Xq1PAoVTzN+h3kpmD+g2y42gQChy20=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=S6Yz6U4FDnczDBvs+JWKwhddlLw3Ima2HA/1W5WGcX9+8m+Dck5FCUf2I8yd66zpg ardZGXYCRFgr1gvud7/rS/0OcjVLZsvdt0PXNdtGO3gk2MtnqCqkhRZjEpFjjzKPNU eBRVUT9k9PPfNR29jUgWPWGHqfOUvScx6lS6KwfQlxhU8T6wArMw/ZjWlrm3YlA++U PN4HUOHFmP8YfUJIis9dV874IihyUQkQt5tNuEwbRMj+W0xzFt7BK9bTc7Bo/1vmWF jo4HHqX+DSRTAoISw5d/kyb/guFqXuFEaAmCdEcFAxZoYId1AKV2vUW7JBcvxrWQXx uif43/kolt7Dg== Subject: [PATCH v1 16/21] svcrdma: Update synopsis of svc_rdma_copy_inline_range() From: Chuck Lever To: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org Cc: tom@talpey.com Date: Mon, 04 Dec 2023 09:58:01 -0500 Message-ID: <170170188115.54779.13782774908081053344.stgit@bazille.1015granger.net> In-Reply-To: <170170144201.54779.9877683240030806819.stgit@bazille.1015granger.net> References: <170170144201.54779.9877683240030806819.stgit@bazille.1015granger.net> User-Agent: StGit/1.5 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chuck Lever Since the RDMA Read I/O state is now contained in the recv_ctxt, svc_rdma_copy_inline_range() can use that recv_ctxt to derive the read_info rather than the other way around. This removes another usage of the ri_readctxt field, enabling its removal in a subsequent patch. Signed-off-by: Chuck Lever --- net/sunrpc/xprtrdma/svc_rdma_rw.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 1953f3983695..ec546fe094e8 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -778,7 +778,8 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, /** * svc_rdma_copy_inline_range - Copy part of the inline content into pages - * @info: context for RDMA Reads + * @rqstp: RPC transaction context + * @head: context for ongoing I/O * @offset: offset into the Receive buffer of region to copy * @remaining: length of region to copy * @@ -791,13 +792,12 @@ static int svc_rdma_build_read_chunk(struct svc_rqst *rqstp, * %0: Inline content was successfully copied * %-EINVAL: offset or length was incorrect */ -static int svc_rdma_copy_inline_range(struct svc_rdma_read_info *info, +static int svc_rdma_copy_inline_range(struct svc_rqst *rqstp, + struct svc_rdma_recv_ctxt *head, unsigned int offset, unsigned int remaining) { - struct svc_rdma_recv_ctxt *head = info->ri_readctxt; unsigned char *dst, *src = head->rc_recv_buf; - struct svc_rqst *rqstp = info->ri_rqst; unsigned int page_no, numpages; numpages = PAGE_ALIGN(head->rc_pageoff + remaining) >> PAGE_SHIFT; @@ -846,7 +846,8 @@ static noinline int svc_rdma_read_multiple_chunks(struct svcxprt_rdma *rdma, { struct svc_rdma_recv_ctxt *head = info->ri_readctxt; const struct svc_rdma_pcl *pcl = &head->rc_read_pcl; - struct xdr_buf *buf = &info->ri_rqst->rq_arg; + struct svc_rqst *rqstp = info->ri_rqst; + struct xdr_buf *buf = &rqstp->rq_arg; struct svc_rdma_chunk *chunk, *next; unsigned int start, length; int ret; @@ -854,7 +855,7 @@ static noinline int svc_rdma_read_multiple_chunks(struct svcxprt_rdma *rdma, start = 0; chunk = pcl_first_chunk(pcl); length = chunk->ch_position; - ret = svc_rdma_copy_inline_range(info, start, length); + ret = svc_rdma_copy_inline_range(rqstp, head, start, length); if (ret < 0) return ret; @@ -869,14 +870,14 @@ static noinline int svc_rdma_read_multiple_chunks(struct svcxprt_rdma *rdma, start += length; length = next->ch_position - head->rc_readbytes; - ret = svc_rdma_copy_inline_range(info, start, length); + ret = svc_rdma_copy_inline_range(rqstp, head, start, length); if (ret < 0) return ret; } start += length; length = head->rc_byte_len - start; - ret = svc_rdma_copy_inline_range(info, start, length); + ret = svc_rdma_copy_inline_range(rqstp, head, start, length); if (ret < 0) return ret;