linux-kernel - Re: [PATCH 21/33] ipv4: add ip_sock_set_mtu

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Message-ID: <3123898.1589375861@warthog.procyon.org.uk>
Date:   Wed, 13 May 2020 14:17:41 +0100
From:   David Howells <dhowells@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     dhowells@...hat.com, "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-nvme@...ts.infradead.org, linux-sctp@...r.kernel.org,
        target-devel@...r.kernel.org, linux-afs@...ts.infradead.org,
        drbd-dev@...ts.linbit.com, linux-cifs@...r.kernel.org,
        rds-devel@....oracle.com, linux-rdma@...r.kernel.org,
        cluster-devel@...hat.com, Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        linux-block@...r.kernel.org, ceph-devel@...r.kernel.org,
        linux-nfs@...r.kernel.org, Neil Horman <nhorman@...driver.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netdev@...r.kernel.org, Vlad Yasevich <vyasevich@...il.com>,
        linux-kernel@...r.kernel.org, Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>, ocfs2-devel@....oracle.com
Subject: Re: [PATCH 21/33] ipv4: add ip_sock_set_mtu_discover

Christoph Hellwig <hch@....de> wrote:

> +		ip_sock_set_mtu_discover(conn->params.local->socket->sk,
> +				IP_PMTUDISC_DONT);

Um... The socket in question could be an AF_INET6 socket, not an AF_INET4
socket - I presume it will work in that case.  If so:

Reviewed-by: David Howells <dhowells@...hat.com> [rxrpc bits]