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Date: Wed, 22 Mar 2017 19:31:22 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Amir Goldstein <amir73il@gmail.com>
Cc: Marko Rauhamaa <marko.rauhamaa@f-secure.com>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        Jan Kara <jack@suse.cz>, Jeff Layton <jlayton@poochiereds.net>
Subject: Re: fanotify read returns with errno == EOPENSTALE
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On Wed, Mar 22, 2017 at 02:20:15PM -0400, Amir Goldstein wrote:

> Well, the behavior was changed in kernel 4.7 (and stable kernels) by
> commit by Al Viro:
> fac7d19 fix EOPENSTALE bug in do_last()
> 
> Since that commit userspace will be able to see this error in fanotify events.

Unless *notify somehow uses do_last() directly, that commit should have
no effect on it (and it definitely has no effect on dentry_open() callers)...