linux-kernel - Re: [Lsf-pc] [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs

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Message-ID: <d1b3419e-886c-d479-0c43-b4e64e5465a8@samba.org>
Date:   Mon, 28 Feb 2022 06:42:36 +0100
From:   Ralph Boehme <slow@...ba.org>
To:     Amir Goldstein <amir73il@...il.com>,
        Steve French <smfrench@...il.com>
Cc:     CIFS <linux-cifs@...r.kernel.org>,
        samba-technical <samba-technical@...ts.samba.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Ioannis Angelakopoulos <jaggel@...edu>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        lsf-pc <lsf-pc@...ts.linux-foundation.org>,
        Vivek Goyal <vgoyal@...hat.com>
Subject: Re: [Lsf-pc] [LSF/MM/BPF TOPIC] Enabling change notification for
 network and cluster fs

Hi Amir,

On 2/26/22 11:22, Amir Goldstein wrote:
> I guess SMB protocol does not allow client B to request a NOTIFY on change
> when client A has a directory lease, because requesting NOTIFY requires
> getting a read file handle on the dir?
fwiw, you don't get a "W" SMB3 directory lease, so this is not a problem.

-slow

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