vfs: make do_rmdir retry once on ESTALE errors
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namei.c b/fs/namei.c
index 1919061..fe06a2f 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3339,8 +3339,9 @@
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
-
- name = user_path_parent(dfd, pathname, &nd, 0);
+ unsigned int lookup_flags = 0;
+retry:
+ name = user_path_parent(dfd, pathname, &nd, lookup_flags);
if (IS_ERR(name))
return PTR_ERR(name);
@@ -3382,6 +3383,10 @@
exit1:
path_put(&nd.path);
putname(name);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
return error;
}