From patchwork Fri Jun 24 22:15:15 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Mahoney X-Patchwork-Id: 9198219 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C55586077D for ; Fri, 24 Jun 2016 22:16:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AF685284D9 for ; Fri, 24 Jun 2016 22:16:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A47D7284E0; Fri, 24 Jun 2016 22:16:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 42175284D9 for ; Fri, 24 Jun 2016 22:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751704AbcFXWQ2 (ORCPT ); Fri, 24 Jun 2016 18:16:28 -0400 Received: from mx2.suse.de ([195.135.220.15]:37833 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353AbcFXWPb (ORCPT ); Fri, 24 Jun 2016 18:15:31 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 337A6ADDC for ; Fri, 24 Jun 2016 22:15:28 +0000 (UTC) Received: by starscream.home.jeffm.io (Postfix, from userid 1000) id 34EC68502E; Fri, 24 Jun 2016 18:15:25 -0400 (EDT) From: jeffm@suse.com To: linux-btrfs@vger.kernel.org Subject: [PATCH 22/31] btrfs: root->fs_info cleanup, io_ctl_init Date: Fri, 24 Jun 2016 18:15:15 -0400 Message-Id: <1466806524-27508-23-git-send-email-jeffm@suse.com> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1466806524-27508-1-git-send-email-jeffm@suse.com> References: <1466806524-27508-1-git-send-email-jeffm@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jeff Mahoney The io_ctl->root member was only being used to access root->fs_info. Signed-off-by: Jeff Mahoney --- fs/btrfs/ctree.h | 2 +- fs/btrfs/free-space-cache.c | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 784f003..4660ce4 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -513,7 +513,7 @@ struct btrfs_io_ctl { void *cur, *orig; struct page *page; struct page **pages; - struct btrfs_root *root; + struct btrfs_fs_info *fs_info; struct inode *inode; unsigned long size; int index; diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 5cbfa64..b3face3 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -305,7 +305,7 @@ static int readahead_cache(struct inode *inode) } static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode, - struct btrfs_root *root, int write) + int write) { int num_pages; int check_crcs = 0; @@ -327,7 +327,7 @@ static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode, return -ENOMEM; io_ctl->num_pages = num_pages; - io_ctl->root = root; + io_ctl->fs_info = btrfs_sb(inode->i_sb); io_ctl->check_crcs = check_crcs; io_ctl->inode = inode; @@ -450,7 +450,7 @@ static int io_ctl_check_generation(struct btrfs_io_ctl *io_ctl, u64 generation) gen = io_ctl->cur; if (le64_to_cpu(*gen) != generation) { - btrfs_err_rl(io_ctl->root->fs_info, + btrfs_err_rl(io_ctl->fs_info, "space cache generation (%llu) does not match inode (%llu)", *gen, generation); io_ctl_unmap_page(io_ctl); @@ -506,7 +506,7 @@ static int io_ctl_check_crc(struct btrfs_io_ctl *io_ctl, int index) PAGE_SIZE - offset); btrfs_csum_final(crc, (char *)&crc); if (val != crc) { - btrfs_err_rl(io_ctl->root->fs_info, + btrfs_err_rl(io_ctl->fs_info, "csum mismatch on free space cache"); io_ctl_unmap_page(io_ctl); return -EIO; @@ -725,7 +725,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, if (!num_entries) return 0; - ret = io_ctl_init(&io_ctl, inode, root, 0); + ret = io_ctl_init(&io_ctl, inode, 0); if (ret) return ret; @@ -1230,7 +1230,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode, return -EIO; WARN_ON(io_ctl->pages); - ret = io_ctl_init(io_ctl, inode, root, 1); + ret = io_ctl_init(io_ctl, inode, 1); if (ret) return ret;