linux-kernel - Re: [RFC PATCH] mm: Replace ->launder

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Date: Thu, 7 Mar 2024 15:54:45 +0100
From: Christoph Hellwig <hch@....de>
To: David Howells <dhowells@...hat.com>
Cc: Matthew Wilcox <willy@...radead.org>,
	Trond Myklebust <trond.myklebust@...merspace.com>,
	Miklos Szeredi <miklos@...redi.hu>, Christoph Hellwig <hch@....de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jeff Layton <jlayton@...nel.org>, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, netfs@...ts.linux.dev,
	v9fs@...ts.linux.dev, linux-afs@...ts.infradead.org,
	ceph-devel@...r.kernel.org, linux-cifs@...r.kernel.org,
	linux-nfs@...r.kernel.org, devel@...ts.orangefs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] mm: Replace ->launder_folio() with flush and wait

On Thu, Mar 07, 2024 at 10:36:28AM +0000, David Howells wrote:
> There are some places that should perhaps be using kiocb_invalidate_pages()
> and kiocb_invalidate_post_direct_write() instead - assuming Christoph has no
> objection to the latter function being exported.

These are intended as helpers for direct I/O implementation, so I
very much expected them to eventually get exported.