linux-kernel - Re: [PATCH v19 04/15] overlayfs: Implement splice-read

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Message-ID: <20230316104742.hstef2opz2atctl6@wittgenstein>
Date:   Thu, 16 Mar 2023 11:47:42 +0100
From:   Christian Brauner <brauner@...nel.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Jens Axboe <axboe@...nel.dk>, Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
        Jeff Layton <jlayton@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Hillf Danton <hdanton@...a.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Christoph Hellwig <hch@....de>,
        John Hubbard <jhubbard@...dia.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-unionfs@...r.kernel.org
Subject: Re: [PATCH v19 04/15] overlayfs: Implement splice-read

On Wed, Mar 15, 2023 at 04:35:38PM +0000, David Howells wrote:
> Implement splice-read for overlayfs by passing the request down a layer
> rather than going through generic_file_splice_read() which is going to be
> changed to assume that ->read_folio() is present on buffered files.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> cc: Christoph Hellwig <hch@....de>
> cc: Jens Axboe <axboe@...nel.dk>
> cc: Al Viro <viro@...iv.linux.org.uk>
> cc: John Hubbard <jhubbard@...dia.com>
> cc: David Hildenbrand <david@...hat.com>
> cc: Matthew Wilcox <willy@...radead.org>
> cc: Miklos Szeredi <miklos@...redi.hu>
> cc: linux-unionfs@...r.kernel.org
> cc: linux-block@...r.kernel.org
> cc: linux-fsdevel@...r.kernel.org
> cc: linux-mm@...ck.org
> ---

Looks good,
Reviewed-by: Christian Brauner <brauner@...nel.org>