From bec6b31c53b43052247bc954bcad3a2cd0a30fdd Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Tue, 11 Dec 2012 12:10:08 -0500
Subject: [PATCH] --- yaml --- r: 347845 b: refs/heads/master c:
 f46d3567b223e41e1f2faeb82d3b74a6d84fc508 h: refs/heads/master i:   347843:
 4a1374a72459d8c8c49e3755fb7cb32d8729799d v: v3

---
 [refs]           | 2 +-
 trunk/fs/namei.c | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index aa9f08a673e4..807badab1bff 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b76d8b82266077dc7098dd13f321a616099a1bd8
+refs/heads/master: f46d3567b223e41e1f2faeb82d3b74a6d84fc508
diff --git a/trunk/fs/namei.c b/trunk/fs/namei.c
index 1beebc1a38c9..b06a111591a8 100644
--- a/trunk/fs/namei.c
+++ b/trunk/fs/namei.c
@@ -3521,12 +3521,13 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
 	struct filename *from;
 	struct dentry *dentry;
 	struct path path;
+	unsigned int lookup_flags = 0;
 
 	from = getname(oldname);
 	if (IS_ERR(from))
 		return PTR_ERR(from);
-
-	dentry = user_path_create(newdfd, newname, &path, 0);
+retry:
+	dentry = user_path_create(newdfd, newname, &path, lookup_flags);
 	error = PTR_ERR(dentry);
 	if (IS_ERR(dentry))
 		goto out_putname;
@@ -3535,6 +3536,10 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
 	if (!error)
 		error = vfs_symlink(path.dentry->d_inode, dentry, from->name);
 	done_path_create(&path, dentry);
+	if (retry_estale(error, lookup_flags)) {
+		lookup_flags |= LOOKUP_REVAL;
+		goto retry;
+	}
 out_putname:
 	putname(from);
 	return error;