From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Layton Subject: [PATCH v8 11/32] vfs: make do_unlinkat retry on ESTALE errors Date: Sat, 27 Oct 2012 08:33:18 -0400 Message-ID: <1351341219-17837-12-git-send-email-jlayton@redhat.com> References: <1351341219-17837-1-git-send-email-jlayton@redhat.com> Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, michael.brantley@deshaw.com, hch@infradead.org, miklos@szeredi.hu, pstaubach@exagrid.com To: viro@zeniv.linux.org.uk Return-path: In-Reply-To: <1351341219-17837-1-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 | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index 7c9bb50..467b9f1 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3446,9 +3446,13 @@ static long do_unlinkat(int dfd, const char __user *pathname) struct filename *name; struct dentry *dentry; struct nameidata nd; - struct inode *inode = NULL; + struct inode *inode; + unsigned int try = 0; + unsigned int lookup_flags = LOOKUP_PARENT; - name = user_path_parent(dfd, pathname, &nd, 0); +retry: + inode = NULL; + name = user_path_parent(dfd, pathname, &nd, try); if (IS_ERR(name)) return PTR_ERR(name); @@ -3486,6 +3490,10 @@ exit2: exit1: path_put(&nd.path); putname(name); + if (retry_estale(error, try++)) { + lookup_flags |= LOOKUP_REVAL; + goto retry; + } return error; slashes: -- 1.7.11.7