From mboxrd@z Thu Jan 1 00:00:00 1970 From: "J. Bruce Fields" Subject: [PATCH 6/7] locks: break delegations on link Date: Fri, 9 Mar 2012 17:29:33 -0500 Message-ID: <1331332174-22621-6-git-send-email-bfields@redhat.com> References: <20120309222114.GA22423@fieldses.org> Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig , "J. Bruce Fields" To: Al Viro Return-path: Received: from fieldses.org ([174.143.236.118]:47730 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756909Ab2CIW3h (ORCPT ); Fri, 9 Mar 2012 17:29:37 -0500 In-Reply-To: <20120309222114.GA22423@fieldses.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: "J. Bruce Fields" Signed-off-by: J. Bruce Fields --- fs/namei.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 21a1d65..6f1dbfa 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2920,8 +2920,11 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de /* Make sure we don't allow creating hardlink to an unlinked file */ if (inode->i_nlink == 0) error = -ENOENT; - else - error = dir->i_op->link(old_dentry, dir, new_dentry); + else { + error = break_deleg(inode, O_WRONLY); + if (!error) + error = dir->i_op->link(old_dentry, dir, new_dentry); + } mutex_unlock(&inode->i_mutex); if (!error) fsnotify_link(dir, inode, new_dentry); -- 1.7.5.4