From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757839Ab2DZRHG (ORCPT ); Thu, 26 Apr 2012 13:07:06 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:43068 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757624Ab2DZRHD (ORCPT ); Thu, 26 Apr 2012 13:07:03 -0400 From: Jeff Layton To: viro@ZenIV.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, hch@infradead.org, michael.brantley@deshaw.com Subject: [PATCH v1 10/12] vfs: fix symlinkat to retry on ESTALE errors Date: Thu, 26 Apr 2012 11:57:21 -0400 Message-Id: <1335455843-16089-9-git-send-email-jlayton@redhat.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1335455843-16089-1-git-send-email-jlayton@redhat.com> References: <1335455843-16089-1-git-send-email-jlayton@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Jeff Layton --- fs/namei.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 3a8e5e4..b189dc5 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2957,12 +2957,14 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname, char *from; struct dentry *dentry; struct path path; + unsigned int try = 0; from = getname(oldname); if (IS_ERR(from)) return PTR_ERR(from); - dentry = user_path_create(newdfd, newname, &path, false, false); +retry: + dentry = user_path_create(newdfd, newname, &path, false, try); error = PTR_ERR(dentry); if (IS_ERR(dentry)) goto out_putname; @@ -2980,6 +2982,8 @@ out_dput: dput(dentry); mutex_unlock(&path.dentry->d_inode->i_mutex); path_put(&path); + if (retry_estale(error, try++)) + goto retry; out_putname: putname(from); return error; -- 1.7.7.6