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From: Bernd Schubert <bernd@bsbernd.com>
To: Tal Zussman <tz2294@columbia.edu>, Miklos Szeredi <miklos@szeredi.hu>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
	fuse-devel@lists.linux.dev, linux-kernel@vger.kernel.org,
	Joanne Koong <joannelkoong@gmail.com>
Subject: Re: [PATCH 0/2] fuse: convert the readdir cache to use folios
Date: Tue, 13 Oct 2026 20:13:53 +0200	[thread overview]
Message-ID: <3b7a2fea-3fb9-42b6-aef2-d9770e3562d9@bsbernd.com> (raw)
In-Reply-To: <5ff63ccc-3aba-4c4a-a289-48620f1ceffa@columbia.edu>



On 10/13/26 19:49, Tal Zussman wrote:
> On 10/13/26 1:38 PM, Bernd Schubert wrote:
>> On 10/13/26 18:48, Tal Zussman wrote:
>>> On 9/24/26 7:42 PM, Tal Zussman wrote:
>>>> Convert the readdir cache lookups in fs/fuse/readdir.c to folios. This
>>>> removes the last caller of find_get_page_flags() and one of the last
>>>> callers of find_lock_page().
>>>>
>>>> Based on fuse/for-next.
>>>>
>>>
>>> Hi,
>>>
>>> Following up on this. It'd be great to get this in as it would allow us
>>> to remove find_get_page_flags() and find_lock_page() next cycle.
>>
>>
>> fuse has large folios enabled now - the patches need to handle that.
>> Even if it would not be enabled yet, Joanne had spend quite some effort
>> to enable large folios, any change that tried to rely on behavior would
>> have just increased her burden...
>>
> Hi Bernd,
> 
> As far as I can see, Joanne's patches enable large folios for regular files.
> Here we operate on directories, which are initialized through fuse_init_dir()
> and so do not use large folios. In any case, these patches switch to using
> the relevant folio helpers, which would get us closer to using large folios
> in the readdir cache if that's eventually desired.

Hi Tal,

oops, sorry, I was bailing out when I read it as "this introduces
another stop gap for large folios". I quickly scanned over it, but don't
have much time right now - will review tomorrow morning.


Sorry again,
Bernd

  reply	other threads:[~2026-10-13 18:13 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-24 23:42 Tal Zussman
2026-09-24 23:42 ` [PATCH 1/2] fuse: convert fuse_add_dirent_to_cache() " Tal Zussman
2026-09-24 23:42 ` [PATCH 2/2] fuse: convert fuse_readdir_cached() " Tal Zussman
2026-10-13 16:48 ` [PATCH 0/2] fuse: convert the readdir cache " Tal Zussman
2026-10-13 17:38   ` Bernd Schubert
2026-10-13 17:49     ` Tal Zussman
2026-10-13 18:13       ` Bernd Schubert [this message]
2026-10-13 19:20         ` Tal Zussman

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