Re: [PATCH v3 59/59] netfs: Eliminate PG_fscache by setting folio->private and marking dirty

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Subject: Re: [PATCH v3 59/59] netfs: Eliminate PG_fscache by setting folio->private and marking dirty
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Thu, 7 Dec 2023 21:38:48 +0000
Cc: Jeff Layton <jlayton@xxxxxxxxxx>, Steve French <smfrench@xxxxxxxxx>, Marc Dionne <marc.dionne@xxxxxxxxxxxx>, Paulo Alcantara <pc@xxxxxxxxxxxxx>, Shyam Prasad N <sprasad@xxxxxxxxxxxxx>, Tom Talpey <tom@xxxxxxxxxx>, Dominique Martinet <asmadeus@xxxxxxxxxxxxx>, Eric Van Hensbergen <ericvh@xxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Christian Brauner <christian@xxxxxxxxxx>, linux-cachefs@xxxxxxxxxx, linux-afs@xxxxxxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, v9fs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20231207212206.1379128-60-dhowells@redhat.com>
References: <20231207212206.1379128-1-dhowells@redhat.com> <20231207212206.1379128-60-dhowells@redhat.com>

On Thu, Dec 07, 2023 at 09:22:06PM +0000, David Howells wrote:
> With this, PG_fscache is no longer required.

... for filesystems that use netfslib, right?  ie we can't delete
folio_wait_private_2_killable() and friends because nfs still uses it?

References:
- [PATCH v3 00/59] netfs, afs, 9p, cifs: Delegate high-level I/O to netfslib
  - From: David Howells
- [PATCH v3 59/59] netfs: Eliminate PG_fscache by setting folio->private and marking dirty
  - From: David Howells

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