From d170dcb97063251f4e02749b0000872d9043cea0 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Tue, 11 Dec 2012 12:10:14 -0500
Subject: [PATCH] --- yaml --- r: 347857 b: refs/heads/master c:
 96948fc6069b68380abac2944b8b02b43a2e2057 h: refs/heads/master i:   347855:
 b34bb18ef343b9ce4438b0eaac14ddaadddec9ba v: v3

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

diff --git a/[refs] b/[refs]
index b69622715f55..14397e47ea24 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 99a5df37a03c99e57d0da4f847a515b658963fbb
+refs/heads/master: 96948fc6069b68380abac2944b8b02b43a2e2057
diff --git a/trunk/fs/statfs.c b/trunk/fs/statfs.c
index f8e832e6f0a2..c219e733f553 100644
--- a/trunk/fs/statfs.c
+++ b/trunk/fs/statfs.c
@@ -77,10 +77,17 @@ EXPORT_SYMBOL(vfs_statfs);
 int user_statfs(const char __user *pathname, struct kstatfs *st)
 {
 	struct path path;
-	int error = user_path_at(AT_FDCWD, pathname, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
+	int error;
+	unsigned int lookup_flags = LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT;
+retry:
+	error = user_path_at(AT_FDCWD, pathname, lookup_flags, &path);
 	if (!error) {
 		error = vfs_statfs(&path, st);
 		path_put(&path);
+		if (retry_estale(error, lookup_flags)) {
+			lookup_flags |= LOOKUP_REVAL;
+			goto retry;
+		}
 	}
 	return error;
 }