linux-kernel - Re: [PATCH 0/4] seqlock: introduce scoped_seqlock_read() and scoped_seqlock_read

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Message-ID: <20251007163427.GB12329@redhat.com>
Date: Tue, 7 Oct 2025 18:34:28 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Alexander Viro <viro@...iv.linux.org.uk>,
	Boqun Feng <boqun.feng@...il.com>,
	David Howells <dhowells@...hat.com>, Ingo Molnar <mingo@...hat.com>,
	Li RongQing <lirongqing@...du.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Waiman Long <longman@...hat.com>, Will Deacon <will@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] seqlock: introduce scoped_seqlock_read() and
 scoped_seqlock_read_irqsave()

On 10/07, Linus Torvalds wrote:
>
> On Tue, 7 Oct 2025 at 07:22, Oleg Nesterov <oleg@...hat.com> wrote:
> >
> > I can change scoped_seqlock_read() to do the same, to make
> > it symmetric with _irqsave() if you think it makes sense.
>
> I don't think it's visible to users, but maybe it would make the
> macros look slightly cleaner.

OK, agreed, will do tomorrow,

> And it would allow making 'lockless' an actual 'bool'

Yeees... This will slightly increase the "size" of defines, but I
guess this doesn't really matter in this case.

Thanks,

Oleg.