Re: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage

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To: Sagi Grimberg <sagi@xxxxxxxxxxx>
Subject: Re: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 19 Jun 2023 10:28:23 +0100
Cc: dhowells@xxxxxxxxxx, Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, Alexander Duyck <alexander.duyck@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, David Ahern <dsahern@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Keith Busch <kbusch@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, Christoph Hellwig <hch@xxxxxx>, Chaitanya Kulkarni <kch@xxxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx
In-reply-to: <55e7058b-07d0-3619-3481-2d70e95875ea@grimberg.me>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <55e7058b-07d0-3619-3481-2d70e95875ea@grimberg.me> <648f353c55ce8_33cfbc29413@willemb.c.googlers.com.notmuch> <20230617121146.716077-1-dhowells@redhat.com> <20230617121146.716077-11-dhowells@redhat.com> <755077.1687109321@warthog.procyon.org.uk>

Sagi Grimberg <sagi@xxxxxxxxxxx> wrote:

> The patch looks good to me, taking it to run some tests
> (from sendpage-3-frag branch in your kernel.org tree correct?)

Yep, but you'll patches 1 also and patch 2 might help with seeing what's going
on.

David

References:
- Re: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage
  - From: Sagi Grimberg
- RE: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage
  - From: Willem de Bruijn
- [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage
  - From: David Howells
- Re: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage
  - From: David Howells

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