From: kuznet@ms2.inr.ac.ru
To: trond.myklebust@fys.uio.no
Cc: b.lammering@science-computing.de, linux-kernel@vger.kernel.org
Subject: Re: more tcpdumpinfo for nfs3 problem: aix-server --- linux 2.4.15pre5 client
Date: Mon, 19 Nov 2001 21:49:05 +0300 (MSK) [thread overview]
Message-ID: <200111191849.VAA21085@ms2.inr.ac.ru> (raw)
In-Reply-To: <15353.19920.461805.879956@charged.uio.no> from "Trond Myklebust" at Nov 19, 1 07:22:08 pm
Hello!
> Alexey: Do you have any comments? Is it correct to check for
> sock_writeable() on a TCP socket?
No. sock_writable() is for datagram sockets, TCP never used or
satisfied this predicate, it used(s) more interesting one.
BTW applications need not use this anyway, we do not awake people
for no reasons. If a write failed with EAGAIN, wakeup will happen
only when there is some room for write. And it will not be awaken
again until the next write will fail. So, if you rejected wakeup
(due to wrong predicate), nobody will remind you again.
Alexey
next prev parent reply other threads:[~2001-11-19 18:49 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <15349.39320.876188.274548@charged.uio.no>
2001-11-15 21:29 ` nfs problem: hp-server --- linux 2.4.13 client, ooops Birger Lammering
2001-11-15 23:58 ` Trond Myklebust
2001-11-16 11:45 ` nfs problem: hp|aix-server --- linux 2.4.15pre5 client Trond Myklebust
2001-11-16 12:01 ` Miquel van Smoorenburg
2001-11-16 12:24 ` Trond Myklebust
2001-11-16 11:24 ` Birger Lammering
2001-11-16 13:19 ` nfs problem: aix-server " Birger Lammering
2001-11-19 10:20 ` IPV4 socket layer, was: " Birger Lammering
2001-11-19 11:16 ` Alan Cox
2001-11-19 18:22 ` more tcpdumpinfo for nfs3 " Trond Myklebust
2001-11-19 18:49 ` kuznet [this message]
2001-11-19 18:55 ` Trond Myklebust
2001-11-19 19:09 ` kuznet
2001-11-19 19:29 ` Trond Myklebust
2001-11-19 19:52 ` kuznet
2001-11-19 20:38 ` Trond Myklebust
2001-11-19 21:17 ` Trond Myklebust
2001-11-20 17:42 ` kuznet
2001-11-20 19:39 ` Trond Myklebust
2001-11-20 19:45 ` kuznet
2001-11-20 20:29 ` Trond Myklebust
2001-11-21 10:07 ` Trond Myklebust
2001-11-21 17:05 ` kuznet
2001-11-20 20:05 ` Trond Myklebust
2001-11-20 20:18 ` David S. Miller
2001-11-20 20:28 ` more tcpdumpinfo for nfs3 problem: aix-server --- linux kuznet
2001-11-20 17:41 ` more tcpdumpinfo for nfs3 problem: aix-server --- linux 2.4.15pre5 client kuznet
2001-11-19 16:37 ` Birger Lammering
2001-11-20 9:26 ` Birger Lammering
2001-11-21 19:09 Manfred Spraul
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