From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Layton Subject: [PATCH v1 RESEND 10/12] vfs: fix symlinkat to retry on ESTALE errors Date: Mon, 7 May 2012 10:12:09 -0400 Message-ID: <1336399931-20234-11-git-send-email-jlayton@redhat.com> References: <1336399931-20234-1-git-send-email-jlayton@redhat.com> 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 To: viro@ZenIV.linux.org.uk Return-path: In-Reply-To: <1336399931-20234-1-git-send-email-jlayton@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.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 cee62f1..b5d28fe 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