X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=fs%2Fstatfs.c;h=c219e733f55330741962173e994ac8d4e894a70f;hb=55529fa5762462beb39f913c5277cb96c7be0858;hp=f8e832e6f0a2220d0e16163b230ad0f710ee4132;hpb=e56108d92760c89ce21c30aa02588595b9396251;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/fs/statfs.c b/fs/statfs.c
index f8e832e..c219e733 100644
--- a/fs/statfs.c
+++ b/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;
 }