linux-kernel - Re: [RFC 1/2] rwsem: introduce upgrade

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Message-ID: <Zw9zVQs4Jp_oUpjM@infradead.org>
Date: Wed, 16 Oct 2024 01:03:33 -0700
From: Christoph Hellwig <hch@...radead.org>
To: lizhe.67@...edance.com
Cc: hch@...radead.org, akpm@...ux-foundation.org, boqun.feng@...il.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	longman@...hat.com, mingo@...hat.com, peterz@...radead.org,
	will@...nel.org
Subject: Re: [RFC 1/2] rwsem: introduce upgrade_read interface

On Wed, Oct 16, 2024 at 04:00:57PM +0800, lizhe.67@...edance.com wrote:
> OK I know what you mean. It is indeed OK to remove "extern", but all function
> declarations in the rwsem.h have the "extern" prefix. I think it would be
> better to keep it consistent.

They are pointless and should never be added.