Re: [PATCH 4/4] vfs: fs/namei.c: if RESOLVE_NO_XDEV passed to openat2, don't *trigger* automounts
Al Viro <[email protected]>
| Newsgroups | gmane.linux.file-systems,gmane.linux.kernel.autofs |
|---|---|
| Message-ID | <20250817175405.GZ222315@ZenIV> |
On Sun, Aug 17, 2025 at 06:53:19PM +0100, Al Viro wrote:
> On Sun, Aug 17, 2025 at 05:15:13PM +0000, Askar Safin wrote:
>
> > @@ -1472,6 +1484,10 @@ static int __traverse_mounts(struct path *path, unsigned flags, bool *jumped,
> > /* Allow the filesystem to manage the transit without i_rwsem
> > * being held. */
> > if (flags & DCACHE_MANAGE_TRANSIT) {
> > + if (lookup_flags & LOOKUP_NO_XDEV) {
> > + ret = -EXDEV;
> > + break;
>
> I don't thing it's right in RCU mode, if nothing else...
Nevermind, that's a non-RCU path.