From: Benjamin LaHaise <bcrl@redhat.com>
To: "David S. Miller" <davem@redhat.com>
Cc: taka@valinux.co.jp, ak@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] zerocopy NFS updated
Date: Thu, 11 Apr 2002 13:33:07 -0400 [thread overview]
Message-ID: <20020411133307.B20895@redhat.com> (raw)
In-Reply-To: <20020411.154651.51706443.taka@valinux.co.jp> <20020410.234821.122842406.davem@redhat.com> <20020411.164134.85392767.taka@valinux.co.jp> <20020411.005216.107061041.davem@redhat.com>
On Thu, Apr 11, 2002 at 12:52:16AM -0700, David S. Miller wrote:
> I think this idea has such high overhead that it is even not for
> consideration, consider SMP.
One possibility is to make the inode semaphore a rwsem, and to have NFS
take that for read until the sendpage is complete. The idea of splitting
the inode semaphore up into two (one rw against truncate) has been bounced
around for a few other reasons (like allowing multiple concurrent reads +
writes to a file). Perhaps its time to bite the bullet and do it.
-ben
--
"A man with a bass just walked in,
and he's putting it down
on the floor."
next prev parent reply other threads:[~2002-04-11 17:33 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20020410.190550.83626375.taka@valinux.co.jp.suse.lists.linux.kernel>
2002-04-10 19:32 ` [PATCH] zerocopy NFS updated Andi Kleen
2002-04-11 2:30 ` David S. Miller
2002-04-11 6:46 ` Hirokazu Takahashi
2002-04-11 6:48 ` David S. Miller
2002-04-11 7:41 ` Hirokazu Takahashi
2002-04-11 7:52 ` David S. Miller
2002-04-11 11:38 ` Hirokazu Takahashi
2002-04-11 11:36 ` David S. Miller
2002-04-11 18:00 ` Denis Vlasenko
2002-04-11 13:16 ` Andi Kleen
2002-04-11 17:36 ` Benjamin LaHaise
2002-04-16 0:17 ` Mike Fedyk
2002-04-16 15:37 ` Oliver Xymoron
2002-04-11 17:33 ` Benjamin LaHaise [this message]
2002-04-12 8:10 ` Hirokazu Takahashi
2002-04-12 12:30 ` Hirokazu Takahashi
2002-04-12 12:35 ` Andi Kleen
2002-04-12 21:22 ` Jamie Lokier
2002-04-12 21:31 ` David S. Miller
2002-04-13 0:21 ` Jamie Lokier
2002-04-13 6:39 ` Andi Kleen
2002-04-13 8:01 ` Hirokazu Takahashi
2002-04-13 19:19 ` Eric W. Biederman
2002-04-13 19:37 ` Andi Kleen
2002-04-13 20:34 ` Eric W. Biederman
2002-04-24 23:11 ` Mike Fedyk
2002-04-25 17:11 ` Andreas Dilger
2002-04-13 18:52 ` Chris Wedgwood
2002-04-14 0:07 ` Keith Owens
2002-04-14 8:19 ` Chris Wedgwood
2002-04-14 8:40 ` Keith Owens
2002-04-12 21:39 ` David S. Miller
2002-04-15 1:30 ` Hirokazu Takahashi
2002-04-15 4:23 ` David S. Miller
2002-04-16 1:03 ` Hirokazu Takahashi
2002-04-16 1:41 ` Jakob Østergaard
2002-04-16 2:20 ` Hirokazu Takahashi
2002-04-18 5:01 ` Hirokazu Takahashi
2002-04-18 7:58 ` Jakob Østergaard
2002-04-18 8:53 ` Trond Myklebust
2002-04-19 3:21 ` Hirokazu Takahashi
2002-04-19 9:18 ` Trond Myklebust
2002-04-20 7:47 ` Hirokazu Takahashi
2002-04-25 12:37 ` Possible bug with UDP and SO_REUSEADDR. Was " Terje Eggestad
2002-04-26 2:43 ` David S. Miller
2002-04-26 7:38 ` Terje Eggestad
2002-04-29 0:41 ` Possible bug with UDP and SO_REUSEADDR David Schwartz
2002-04-29 8:06 ` Terje Eggestad
2002-04-29 8:44 ` David Schwartz
2002-04-29 10:03 ` Terje Eggestad
2002-04-29 10:38 ` David Schwartz
2002-04-29 14:20 ` Terje Eggestad
[not found] ` <200204192128.QAA24592@popmail.austin.ibm.com>
2002-04-20 10:14 ` [PATCH] zerocopy NFS updated Hirokazu Takahashi
2002-04-20 15:49 ` Andrew Theurer
2002-04-10 10:05 Hirokazu Takahashi
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