From: "David M. Lloyd" <dmlloyd@flurg.com>
To: Vladislav Bolkhovitin <vst@vlnb.net>
Cc: linux-mm@kvack.org, Christoph Hellwig <hch@infradead.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
scst-devel@lists.sourceforge.net,
Bart Van Assche <bart.vanassche@gmail.com>,
netdev@vger.kernel.org
Subject: Re: [RFC]: Support for zero-copy TCP transmit of user space data
Date: Thu, 18 Dec 2008 12:43:59 -0600 [thread overview]
Message-ID: <494A99EF.6070400@flurg.com> (raw)
In-Reply-To: <494A97DD.7080503@vlnb.net>
On 12/18/2008 12:35 PM, Vladislav Bolkhovitin wrote:
> An iSCSI target driver iSCSI-SCST was a part of the patchset
> (http://lkml.org/lkml/2008/12/10/293). For it a nice optimization to
> have TCP zero-copy transmit of user space data was implemented. Patch,
> implementing this optimization was also sent in the patchset, see
> http://lkml.org/lkml/2008/12/10/296.
I'm probably ignorant of about 90% of the context here, but isn't this the
sort of problem that was supposed to have been solved by vmsplice(2)?
- DML
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next prev parent reply other threads:[~2008-12-18 18:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <494009D7.4020602@vlnb.net>
[not found] ` <494012C4.7090304@vlnb.net>
[not found] ` <20081210214500.GA24212@ioremap.net>
[not found] ` <4941590F.3070705@vlnb.net>
[not found] ` <1229022734.3266.67.camel@localhost.localdomain>
[not found] ` <4942BAB8.4050007@vlnb.net>
[not found] ` <1229110673.3262.94.camel@localhost.localdomain>
[not found] ` <49469ADB.6010709@vlnb.net>
[not found] ` <20081215231801.GA27168@infradead.org>
[not found] ` <4947FA1C.2090509@vlnb.net>
2008-12-18 18:35 ` Vladislav Bolkhovitin
2008-12-18 18:43 ` David M. Lloyd [this message]
2008-12-19 17:37 ` Vladislav Bolkhovitin
2008-12-19 19:07 ` Jens Axboe
2008-12-19 19:17 ` Vladislav Bolkhovitin
2008-12-19 19:27 ` Jens Axboe
2008-12-19 21:58 ` Evgeniy Polyakov
2008-12-23 19:11 ` Vladislav Bolkhovitin
2008-12-19 11:27 ` Andi Kleen
2008-12-19 17:38 ` Vladislav Bolkhovitin
2008-12-19 18:00 ` Andi Kleen
2008-12-19 17:57 ` Vladislav Bolkhovitin
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