From patchwork Wed Jul 15 12:42:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 6798241 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 635BDC05AC for ; Wed, 15 Jul 2015 12:49:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6361A205CA for ; Wed, 15 Jul 2015 12:49:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51B8D205B9 for ; Wed, 15 Jul 2015 12:49:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753112AbbGOMst (ORCPT ); Wed, 15 Jul 2015 08:48:49 -0400 Received: from cantor2.suse.de ([195.135.220.15]:45314 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751597AbbGOMmn (ORCPT ); Wed, 15 Jul 2015 08:42:43 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8B654AC6B; Wed, 15 Jul 2015 12:42:41 +0000 (UTC) Received: by quack.suse.cz (Postfix, from userid 1000) id 95E3A8282A; Wed, 15 Jul 2015 14:42:37 +0200 (CEST) From: Jan Kara To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com, Mark Fasheh , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, reiserfs-devel@vger.kernel.org, Jan Kara Subject: [PATCH 4/6] ocfs2: Handle error from dquot_initialize() Date: Wed, 15 Jul 2015 14:42:30 +0200 Message-Id: <1436964152-11203-5-git-send-email-jack@suse.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1436964152-11203-1-git-send-email-jack@suse.com> References: <1436964152-11203-1-git-send-email-jack@suse.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 dquot_initialize() can now return error. Handle it where possible. Signed-off-by: Jan Kara Reviewed-by: Junxiao Bi --- fs/ocfs2/file.c | 14 ++++++++---- fs/ocfs2/namei.c | 59 +++++++++++++++++++++++++++++++++++++------------ fs/ocfs2/refcounttree.c | 5 +++-- 3 files changed, 58 insertions(+), 20 deletions(-) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 4d9e8275ed99..7210583b472f 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -105,8 +105,11 @@ static int ocfs2_file_open(struct inode *inode, struct file *file) file->f_path.dentry->d_name.len, file->f_path.dentry->d_name.name, mode); - if (file->f_mode & FMODE_WRITE) - dquot_initialize(inode); + if (file->f_mode & FMODE_WRITE) { + status = dquot_initialize(inode); + if (status) + goto leave; + } spin_lock(&oi->ip_lock); @@ -1155,8 +1158,11 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) if (status) return status; - if (is_quota_modification(inode, attr)) - dquot_initialize(inode); + if (is_quota_modification(inode, attr)) { + status = dquot_initialize(inode); + if (status) + return status; + } size_change = S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_SIZE; if (size_change) { status = ocfs2_rw_lock(inode, 1); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 6e6abb93fda5..948681e37cfd 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -200,11 +200,12 @@ bail: static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode) { struct inode *inode; + int status; inode = new_inode(dir->i_sb); if (!inode) { mlog(ML_ERROR, "new_inode failed!\n"); - return NULL; + return ERR_PTR(-ENOMEM); } /* populate as many fields early on as possible - many of @@ -213,7 +214,10 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode) if (S_ISDIR(mode)) set_nlink(inode, 2); inode_init_owner(inode, dir, mode); - dquot_initialize(inode); + status = dquot_initialize(inode); + if (status) + return ERR_PTR(status); + return inode; } @@ -264,7 +268,11 @@ static int ocfs2_mknod(struct inode *dir, (unsigned long long)OCFS2_I(dir)->ip_blkno, (unsigned long)dev, mode); - dquot_initialize(dir); + status = dquot_initialize(dir); + if (status) { + mlog_errno(status); + return status; + } /* get our super block */ osb = OCFS2_SB(dir->i_sb); @@ -311,8 +319,9 @@ static int ocfs2_mknod(struct inode *dir, } inode = ocfs2_get_init_inode(dir, mode); - if (!inode) { - status = -ENOMEM; + if (IS_ERR(inode)) { + status = PTR_ERR(inode); + inode = NULL; mlog_errno(status); goto leave; } @@ -708,7 +717,11 @@ static int ocfs2_link(struct dentry *old_dentry, if (S_ISDIR(inode->i_mode)) return -EPERM; - dquot_initialize(dir); + err = dquot_initialize(dir); + if (err) { + mlog_errno(err); + return err; + } err = ocfs2_double_lock(osb, &old_dir_bh, old_dir, &parent_fe_bh, dir, 0); @@ -896,7 +909,11 @@ static int ocfs2_unlink(struct inode *dir, (unsigned long long)OCFS2_I(dir)->ip_blkno, (unsigned long long)OCFS2_I(inode)->ip_blkno); - dquot_initialize(dir); + status = dquot_initialize(dir); + if (status) { + mlog_errno(status); + return status; + } BUG_ON(d_inode(dentry->d_parent) != dir); @@ -1230,8 +1247,16 @@ static int ocfs2_rename(struct inode *old_dir, old_dentry->d_name.len, old_dentry->d_name.name, new_dentry->d_name.len, new_dentry->d_name.name); - dquot_initialize(old_dir); - dquot_initialize(new_dir); + status = dquot_initialize(old_dir); + if (status) { + mlog_errno(status); + goto bail; + } + status = dquot_initialize(new_dir); + if (status) { + mlog_errno(status); + goto bail; + } osb = OCFS2_SB(old_dir->i_sb); @@ -1786,7 +1811,11 @@ static int ocfs2_symlink(struct inode *dir, trace_ocfs2_symlink_begin(dir, dentry, symname, dentry->d_name.len, dentry->d_name.name); - dquot_initialize(dir); + status = dquot_initialize(dir); + if (status) { + mlog_errno(status); + goto bail; + } sb = dir->i_sb; osb = OCFS2_SB(sb); @@ -1831,8 +1860,9 @@ static int ocfs2_symlink(struct inode *dir, } inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO); - if (!inode) { - status = -ENOMEM; + if (IS_ERR(inode)) { + status = PTR_ERR(inode); + inode = NULL; mlog_errno(status); goto bail; } @@ -2485,8 +2515,9 @@ int ocfs2_create_inode_in_orphan(struct inode *dir, } inode = ocfs2_get_init_inode(dir, mode); - if (!inode) { - status = -ENOMEM; + if (IS_ERR(inode)) { + status = PTR_ERR(inode); + inode = NULL; mlog_errno(status); goto leave; } diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index b69dd14c0b9b..7dc818b87cd8 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -4419,8 +4419,9 @@ static int ocfs2_vfs_reflink(struct dentry *old_dentry, struct inode *dir, } mutex_lock(&inode->i_mutex); - dquot_initialize(dir); - error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve); + error = dquot_initialize(dir); + if (!error) + error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve); mutex_unlock(&inode->i_mutex); if (!error) fsnotify_create(dir, new_dentry);