linux-kernel - Re: [PATCH 1/3] mm: Add a function to get a single tagged folio from a file

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Message-ID: <ZAEvbdyHkvAoTSAe@casper.infradead.org>
Date:   Thu, 2 Mar 2023 23:21:17 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Steve French <smfrench@...il.com>,
        Vishal Moola <vishal.moola@...il.com>,
        Shyam Prasad N <nspmangalore@...il.com>,
        Rohith Surabattula <rohiths.msft@...il.com>,
        Tom Talpey <tom@...pey.com>,
        Stefan Metzmacher <metze@...ba.org>,
        Paulo Alcantara <pc@....nz>, Jeff Layton <jlayton@...nel.org>,
        Marc Dionne <marc.dionne@...istor.com>,
        linux-afs@...ts.infradead.org, linux-cifs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Steve French <sfrench@...ba.org>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Subject: Re: [PATCH 1/3] mm: Add a function to get a single tagged folio from
 a file

On Thu, Mar 02, 2023 at 11:16:36PM +0000, David Howells wrote:
> Add a function to get a single tagged folio from a file rather than a batch
> for use in afs and cifs where, in the common case, the batch is likely to
> be rendered irrelevant by the {afs,cifs}_extend_writeback() function.

I think this is the wrong way to go.  I'll work on a replacement once
I've got a couple of other things off my plate.