linux-kernel - Re: [PATCH v8] fuse: add more control over cache invalidation behaviour

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAJfpegvcEgJtmRkvHm+WuPQgdyeCQZggyExayc5J9bdxWwOm4w@mail.gmail.com>
Date: Mon, 10 Mar 2025 17:42:53 +0100
From: Miklos Szeredi <miklos@...redi.hu>
To: Luis Henriques <luis@...lia.com>
Cc: Bernd Schubert <bschubert@....com>, Dave Chinner <david@...morbit.com>, 
	Matt Harvey <mharvey@...ptrading.com>, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8] fuse: add more control over cache invalidation behaviour

On Fri, 7 Mar 2025 at 16:31, Luis Henriques <luis@...lia.com> wrote:

> Any further feedback on this patch, or is it already OK for being merged?

The patch looks okay.  I have ideas about improving the name, but that can wait.

What I think is still needed is an actual use case with performance numbers.

> And what about the extra call to shrink_dcache_sb(), do you think that
> would that be acceptable?  Maybe that could be conditional, by for example
> setting a flag.

My wish would be a more generic "garbage collection" mechanism that
would collect stale cache entries and get rid of them in the
background.  Doing that synchronously doesn't really make sense, IMO.

But that can be done independently of this patch, obviously.

Thanks,
Miklos