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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Kiryl Shutsemau <kirill@shutemov.name>
Cc: Matthew Wilcox <willy@infradead.org>,
	Luis Chamberlain <mcgrof@kernel.org>,
	 Linux-MM <linux-mm@kvack.org>
Subject: Re: Optimizing small reads
Date: Fri, 3 Oct 2025 10:49:36 -0700	[thread overview]
Message-ID: <CAHk-=wg-eq7s8UMogFCS8OJQt9hwajwKP6kzW88avbx+4JXhcA@mail.gmail.com> (raw)
In-Reply-To: <a3nryktlvr6raisphhw56mdkvff6zr5athu2bsyiotrtkjchf3@z6rdwygtybft>

On Fri, 3 Oct 2025 at 10:23, Kiryl Shutsemau <kirill@shutemov.name> wrote:
>
> We would need a new barriers to serialize the sequence number against
> removing folio from the tree, but it should be okay.

Oh, I'd just use our existing <linux/seqlock.h> infrastructure, and
then those helpers all do the proper memory barriers..

I'd love it if somebody took a look. I'm definitely not going to spend
any more time on this during the merge window...

Back to vfs merges for me,

              Linus


  reply	other threads:[~2025-10-03 17:50 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-03  2:18 Linus Torvalds
2025-10-03  3:32 ` Luis Chamberlain
2025-10-15 21:31   ` Swarna Prabhu
2025-10-03  9:55 ` Kiryl Shutsemau
2025-10-03 16:18   ` Linus Torvalds
2025-10-03 16:40     ` Linus Torvalds
2025-10-03 17:23       ` Kiryl Shutsemau
2025-10-03 17:49         ` Linus Torvalds [this message]
2025-10-06 11:44           ` Kiryl Shutsemau
2025-10-06 15:50             ` Linus Torvalds
2025-10-06 18:04               ` Kiryl Shutsemau
2025-10-06 18:14                 ` Linus Torvalds
2025-10-07 21:47                 ` Linus Torvalds
2025-10-07 22:35                   ` Linus Torvalds
2025-10-07 22:54                     ` Linus Torvalds
2025-10-07 23:30                       ` Linus Torvalds
2025-10-08 14:54                         ` Kiryl Shutsemau
2025-10-08 16:27                           ` Linus Torvalds
2025-10-08 17:03                             ` Linus Torvalds
2025-10-09 16:22                               ` Kiryl Shutsemau
2025-10-09 17:29                                 ` Linus Torvalds
2025-10-10 10:10                                   ` Kiryl Shutsemau
2025-10-10 17:51                                     ` Linus Torvalds
2025-10-13 15:35                                       ` Kiryl Shutsemau
2025-10-13 15:39                                         ` Kiryl Shutsemau
2025-10-13 16:19                                           ` Linus Torvalds
2025-10-14 12:58                                             ` Kiryl Shutsemau
2025-10-14 16:41                                               ` Linus Torvalds
2025-10-13 16:06                                         ` Linus Torvalds
2025-10-13 17:26                                         ` Theodore Ts'o
2025-10-14  3:20                                           ` Theodore Ts'o
2025-10-08 10:28                       ` Kiryl Shutsemau
2025-10-08 16:24                         ` Linus Torvalds

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