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Message-Id: <1336399931-20234-10-git-send-email-jlayton@redhat.com>
Date:	Mon,  7 May 2012 10:12:08 -0400
From:	Jeff Layton <jlayton@...hat.com>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, miklos@...redi.hu, hch@...radead.org,
	michael.brantley@...haw.com
Subject: [PATCH v1 RESEND 09/12] vfs: make do_unlinkat retry on ESTALE errors

Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
 fs/namei.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 58f5eae..cee62f1 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2863,8 +2863,9 @@ static long do_unlinkat(int dfd, const char __user *pathname)
 	struct dentry *dentry;
 	struct nameidata nd;
 	struct inode *inode = NULL;
-
-	error = user_path_parent(dfd, pathname, &nd, &name, false);
+	unsigned int try = 0;
+retry:
+	error = user_path_parent(dfd, pathname, &nd, &name, try);
 	if (error)
 		return error;
 
@@ -2903,6 +2904,8 @@ exit3:
 exit1:
 	path_put(&nd.path);
 	putname(name);
+	if (retry_estale(error, try++))
+		goto retry;
 	return error;
 
 slashes:
-- 
1.7.7.6

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