linux-kernel - Re: Reference to non-existing CONFIG_NETFS

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Date: Mon, 8 Jan 2024 23:16:28 +0000
From: Matthew Wilcox <willy@...radead.org>
To: David Howells <dhowells@...hat.com>
Cc: Lukas Bulwahn <lukas.bulwahn@...il.com>, linux-cachefs@...hat.com,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Reference to non-existing CONFIG_NETFS_FSCACHE

On Mon, Jan 08, 2024 at 09:41:35PM +0000, David Howells wrote:
> netfs_writepages_begin() has the wait on the fscache folio conditional on
> CONFIG_NETFS_FSCACHE - which doesn't exist.
> 
> Fix it to be conditional on CONFIG_FSCACHE instead.

Why is it conditional at all?  Why don't we have a stub function if
CONFIG_FSCACHE is not defined?