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

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To: Amir Goldstein <amir73il@xxxxxxxxx>, Steve French <smfrench@xxxxxxxxx>
Subject: Re: [Lsf-pc] [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
From: Ralph Boehme <slow@xxxxxxxxx>
Date: Mon, 28 Feb 2022 06:42:36 +0100
Cc: CIFS <linux-cifs@xxxxxxxxxxxxxxx>, samba-technical <samba-technical@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Ioannis Angelakopoulos <jaggel@xxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, lsf-pc <lsf-pc@xxxxxxxxxxxxxxxxxxxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>
In-reply-to: <CAOQ4uxi+VJG56TPvcpOqoVAGgbb8gZQJEfvhXyGyB5VboRE2wA@mail.gmail.com>
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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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References:
- [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Steve French
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Vivek Goyal
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Steve French
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Vivek Goyal
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Matthew Wilcox
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Steve French
- Re: [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Vivek Goyal
- Re: [Lsf-pc] [LSF/MM/BPF TOPIC] Enabling change notification for network and cluster fs
  - From: Amir Goldstein

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