From: Jeff Garzik <jgarzik@pobox.com>
To: Jens Axboe <axboe@suse.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
torvalds@osdl.org, Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: 2.7 block ramblings (was Re: DMA for ide-scsi?)
Date: Sat, 20 Sep 2003 14:28:37 -0400 [thread overview]
Message-ID: <3F6C9C55.6050608@pobox.com> (raw)
In-Reply-To: <20030916195515.GC906@suse.de>
Jens Axboe wrote:
> On Tue, Sep 16 2003, Jeff Garzik wrote:
>>And we should deprecate them with a solution that aligns what with Linus
>>described in Dec 2001 on lkml: a chrdev where userland write(2)s cdbs
>>and taskfiles, and read(2)s the results. This is where my thinking
>>picked up: if we are creating a chrdev to send "packets" and receive
>>responses to those packets............ <insert conclusion here>
>
>
> == bsg, block sg. Did you read what I wrote? :). I started implementing
> this and have something that barely works. You just bind a block device
> to a /dev/sg* char device and use read/write on that. Aka sg.
sg needs some modifications -- for example it errors out instead of
sleeps on queue full -- but sounds good to me.
> I don't want ioctls command submission interfaces more than you do.
Groovy.
Jeff
next prev parent reply other threads:[~2003-09-20 18:28 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-13 11:01 DMA for ide-scsi? Mikael Pettersson
2003-09-13 16:25 ` Bartlomiej Zolnierkiewicz
2003-09-13 18:04 ` Alan Cox
2003-09-13 18:49 ` 2.7 block ramblings (was Re: DMA for ide-scsi?) Jeff Garzik
2003-09-13 19:01 ` Jeff Garzik
2003-09-13 19:06 ` Jeff Garzik
2003-09-15 7:34 ` Jens Axboe
2003-09-16 19:49 ` Jeff Garzik
2003-09-16 19:55 ` Jens Axboe
2003-09-20 18:28 ` Jeff Garzik [this message]
2003-09-20 22:16 ` Alan Cox
2003-09-20 22:22 ` Jeff Garzik
2003-09-20 22:46 ` Alan Cox
2003-09-21 9:23 ` Jens Axboe
2003-09-13 19:24 ` Bartlomiej Zolnierkiewicz
2003-09-13 19:57 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2003-09-13 20:16 James Bottomley
2003-09-13 21:27 ` Jeff Garzik
2003-09-14 11:15 ` Justin Cormack
2003-09-14 15:02 ` Alan Cox
2003-09-14 16:55 ` Kevin P. Fleming
2003-09-14 17:01 ` Andries Brouwer
2003-09-14 17:24 ` Jeff Garzik
2003-09-14 18:55 ` Alan Cox
2003-09-16 2:38 ` Thomas Molina
2003-09-16 13:56 ` Alan Cox
2003-09-14 17:20 ` Jeff Garzik
2003-09-14 16:12 ` Andries Brouwer
2003-09-14 17:30 ` Jeff Garzik
2003-09-13 2:11 ` Matt Domsch
2003-09-14 22:26 ` Alan Cox
2003-09-13 6:05 ` Matt Domsch
2003-09-15 22:16 ` Matt Domsch
2003-09-15 3:23 ` Andre Hedrick
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