From patchwork Tue Dec 16 19:01:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Haynes X-Patchwork-Id: 5503071 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D6664BEEA8 for ; Tue, 16 Dec 2014 19:03:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F0C39209D2 for ; Tue, 16 Dec 2014 19:03:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 14528209C1 for ; Tue, 16 Dec 2014 19:03:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751306AbaLPTDI (ORCPT ); Tue, 16 Dec 2014 14:03:08 -0500 Received: from mail-pa0-f41.google.com ([209.85.220.41]:46386 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751265AbaLPTDH (ORCPT ); Tue, 16 Dec 2014 14:03:07 -0500 Received: by mail-pa0-f41.google.com with SMTP id rd3so14719939pab.0 for ; Tue, 16 Dec 2014 11:03:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=meoww/RuxtkUzi0Oe+ADLbjUfzie/Xa7IxlTf3pEB3E=; b=LtNdr6pHUYI4ce21i2Hme68Fj4U7RZEhUOT0TdhD4KQMolcc0PBTQmrC9K/FTSaO8U 8FPlPUKgSZ8WP90/qQ/kz6qqeYJRJaGWmpByC42E8ptY96r1Hq1T5Ow0FEE5vrQsNd2h 7mEWrWHEqO3Md2of3QDEaRnYNTBxoi1pqBwc/QiveRNtqEH52/IUKN+Sh4AOqwpHT1d8 bkP4/GEkpcBlFSXc7X+6rMvHhAqaRXYkIrFU7L31NUW8OAywgV85DVhv+HwvSxirWmW8 +aeid/dHofAJuJMXZr9K2tINO6ggMBRgbUhbOQgzJ26ez/BpdF7txhUz6/5RWAKXnXlA q+OA== X-Gm-Message-State: ALoCoQm1EY6T0FQh79KCgFe1D9q6HRJWzC/NxCXDMDMRify2VopRkLdOpGAiW7THeWs7BgEk74ft X-Received: by 10.68.215.100 with SMTP id oh4mr63330945pbc.11.1418756586263; Tue, 16 Dec 2014 11:03:06 -0800 (PST) Received: from localhost.localdomain ([50.242.95.105]) by mx.google.com with ESMTPSA id q4sm1620669pdh.79.2014.12.16.11.03.05 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Dec 2014 11:03:05 -0800 (PST) From: Tom Haynes X-Google-Original-From: Tom Haynes To: Trond Myklebust Cc: Linux NFS Mailing List Subject: [PATCH 33/50] nfs: rename pgio header ds_idx to ds_commit_idx Date: Tue, 16 Dec 2014 11:01:36 -0800 Message-Id: <1418756513-95187-34-git-send-email-loghyr@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1418756513-95187-1-git-send-email-loghyr@primarydata.com> References: <1418756513-95187-1-git-send-email-loghyr@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Weston Andros Adamson 'ds_commit_idx' is a better name - it is used to select the right commit bucket for pnfs. Signed-off-by: Weston Andros Adamson --- fs/nfs/direct.c | 14 ++++++-------- fs/nfs/filelayout/filelayout.c | 4 ++-- include/linux/nfs_xdr.h | 2 +- 3 files changed, 9 insertions(+), 11 deletions(-) diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index e84f764..d7c2d43 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -112,22 +112,22 @@ static inline int put_dreq(struct nfs_direct_req *dreq) * nfs_direct_select_verf - select the right verifier * @dreq - direct request possibly spanning multiple servers * @ds_clp - nfs_client of data server or NULL if MDS / non-pnfs - * @ds_idx - index of data server in data server list, only valid if ds_clp set + * @commit_idx - commit bucket index for the DS * * returns the correct verifier to use given the role of the server */ static struct nfs_writeverf * nfs_direct_select_verf(struct nfs_direct_req *dreq, struct nfs_client *ds_clp, - int ds_idx) + int commit_idx) { struct nfs_writeverf *verfp = &dreq->verf; #ifdef CONFIG_NFS_V4_1 if (ds_clp) { /* pNFS is in use, use the DS verf */ - if (ds_idx >= 0 && ds_idx < dreq->ds_cinfo.nbuckets) - verfp = &dreq->ds_cinfo.buckets[ds_idx].direct_verf; + if (commit_idx >= 0 && commit_idx < dreq->ds_cinfo.nbuckets) + verfp = &dreq->ds_cinfo.buckets[commit_idx].direct_verf; else WARN_ON_ONCE(1); } @@ -148,8 +148,7 @@ static void nfs_direct_set_hdr_verf(struct nfs_direct_req *dreq, { struct nfs_writeverf *verfp; - verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, - hdr->ds_idx); + verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, hdr->ds_commit_idx); WARN_ON_ONCE(verfp->committed >= 0); memcpy(verfp, &hdr->verf, sizeof(struct nfs_writeverf)); WARN_ON_ONCE(verfp->committed < 0); @@ -169,8 +168,7 @@ static int nfs_direct_set_or_cmp_hdr_verf(struct nfs_direct_req *dreq, { struct nfs_writeverf *verfp; - verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, - hdr->ds_idx); + verfp = nfs_direct_select_verf(dreq, hdr->ds_clp, hdr->ds_commit_idx); if (verfp->committed < 0) { nfs_direct_set_hdr_verf(dreq, hdr); return 0; diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 2af32fc..520cbc5 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -492,7 +492,7 @@ filelayout_read_pagelist(struct nfs_pgio_header *hdr) /* No multipath support. Use first DS */ atomic_inc(&ds->ds_clp->cl_count); hdr->ds_clp = ds->ds_clp; - hdr->ds_idx = idx; + hdr->ds_commit_idx = idx; fh = nfs4_fl_select_ds_fh(lseg, j); if (fh) hdr->args.fh = fh; @@ -536,7 +536,7 @@ filelayout_write_pagelist(struct nfs_pgio_header *hdr, int sync) hdr->pgio_done_cb = filelayout_write_done_cb; atomic_inc(&ds->ds_clp->cl_count); hdr->ds_clp = ds->ds_clp; - hdr->ds_idx = idx; + hdr->ds_commit_idx = idx; fh = nfs4_fl_select_ds_fh(lseg, j); if (fh) hdr->args.fh = fh; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 4fd7793..5bc99f0 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1328,7 +1328,7 @@ struct nfs_pgio_header { __u64 mds_offset; /* Filelayout dense stripe */ struct nfs_page_array page_array; struct nfs_client *ds_clp; /* pNFS data server */ - int ds_idx; /* ds index if ds_clp is set */ + int ds_commit_idx; /* ds index if ds_clp is set */ }; struct nfs_mds_commit_info {