From: Luben Tuikov <luben_tuikov@adaptec.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Jeff Garzik <jgarzik@pobox.com>,
andrew.patterson@hp.com, "Moore, Eric Dean" <Eric.Moore@lsil.com>,
jejb@steeleye.com, linux-scsi@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs)
Date: Fri, 21 Oct 2005 14:12:49 -0400 [thread overview]
Message-ID: <43592FA1.8000206@adaptec.com> (raw)
In-Reply-To: <20051021180455.GA6834@lst.de>
On 10/21/05 14:04, Christoph Hellwig wrote:
>>How about this: Why not as a char device?
>
> you can implement a char device using the block layer. See
> drivers/scsi/{ch.c,osst.c,sg.c,st.c} for examples.
Christoph, you failed to see that my question was _rhetorical_.
> That beeing said I tried this approach. It looks pretty cool when you
> think about it, but the block layer is quite a bit too heavyweight for
> queueing up a few SMP requests, and we need to carry too much useless
> code around for it.
That's the last reason not to implement SMP as a block device.
But this is good that you tried it and it "flopped". This way
people will stop repeating "SMP... block device".
Luben
--
http://linux.adaptec.com/sas/
http://www.adaptec.com/sas/
next prev parent reply other threads:[~2005-10-21 18:12 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-20 15:25 [PATCH 1/4] sas: add flag for locally attached PHYs Moore, Eric Dean
2005-10-20 15:55 ` Luben Tuikov
2005-10-20 16:01 ` Christoph Hellwig
2005-10-20 16:51 ` Luben Tuikov
2005-10-20 17:03 ` Christoph Hellwig
2005-10-20 17:22 ` Arjan van de Ven
2005-10-20 20:10 ` Luben Tuikov
2005-10-21 8:16 ` Arjan van de Ven
2005-10-20 20:02 ` Luben Tuikov
2005-10-21 0:01 ` Andrew Patterson
2005-10-21 0:46 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs) Jeff Garzik
2005-10-21 5:09 ` Mike Christie
2005-10-21 5:41 ` Douglas Gilbert
2005-10-21 6:19 ` Jeff Garzik
2005-10-21 18:37 ` Luben Tuikov
2005-10-21 17:48 ` Luben Tuikov
2005-10-21 18:04 ` Christoph Hellwig
2005-10-21 18:12 ` Luben Tuikov [this message]
2005-10-21 18:20 ` Matthew Wilcox
2005-10-22 2:30 ` Douglas Gilbert
2005-10-22 2:54 ` Jeff Garzik
2005-10-22 3:53 ` Jeff Garzik
2005-10-22 17:14 ` Luben Tuikov
2005-10-22 17:49 ` Francois Romieu
2005-10-22 16:51 ` Luben Tuikov
2005-10-21 18:18 ` Jeff Garzik
2005-10-21 18:50 ` Luben Tuikov
2005-10-21 18:54 ` Jeff Garzik
2005-10-21 19:13 ` Luben Tuikov
2005-10-21 19:23 ` Jeff Garzik
2005-10-21 22:20 ` Stefan Richter
2005-10-21 19:22 ` Luben Tuikov
2005-10-21 19:39 ` Jeff Garzik
2005-10-21 20:41 ` Luben Tuikov
2005-10-21 21:12 ` Jeff Garzik
2005-10-21 21:24 ` Luben Tuikov
2005-10-21 21:41 ` Jeff Garzik
2005-10-21 22:14 ` Luben Tuikov
2005-10-21 22:43 ` Jeff Garzik
2005-10-22 9:26 ` Stefan Richter
2005-10-22 17:23 ` Luben Tuikov
2005-10-22 10:42 ` Stefan Richter
2005-10-22 10:58 ` Christoph Hellwig
2005-10-22 15:28 ` Sergey Panov
2005-10-22 17:19 ` Christoph Hellwig
2005-10-22 17:38 ` Sergey Panov
2005-10-24 15:18 ` Luben Tuikov
2005-10-22 18:27 ` Alan Cox
2005-10-24 13:51 ` Luben Tuikov
2005-10-24 15:41 ` Alan Cox
2005-10-24 15:14 ` Luben Tuikov
2005-10-24 15:59 ` Regala
2005-10-24 16:03 ` Regala
2005-10-24 16:13 ` Luben Tuikov
2005-10-24 16:04 ` Regala
2005-10-22 17:30 ` Luben Tuikov
2005-10-22 18:19 ` Jeff Garzik
2005-10-22 17:49 ` Stefan Richter
2005-10-24 22:09 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attachedPHYs) David Lang
2005-10-24 23:09 ` Stefan Richter
2005-10-22 11:12 ` David Lang
2005-10-22 17:39 ` Luben Tuikov
2005-10-22 17:41 ` Stefan Richter
2005-10-22 17:51 ` Christoph Hellwig
2005-10-22 18:21 ` Stefan Richter
2005-10-22 18:39 ` Sergey Panov
2005-10-22 13:27 ` ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs) Stefan Richter
2005-10-22 16:09 ` Luben Tuikov
2005-10-21 19:41 ` Matthew Wilcox
2005-10-21 19:48 ` Luben Tuikov
2005-10-21 19:54 ` Matthew Wilcox
2005-10-21 20:05 ` Luben Tuikov
2005-10-21 19:46 ` Arjan van de Ven
2005-10-21 19:50 ` Luben Tuikov
2005-10-21 9:06 ` [PATCH 1/4] sas: add flag for locally attached PHYs Arjan van de Ven
2005-10-21 17:05 ` Andrew Patterson
2005-10-21 17:18 ` Arjan van de Ven
2005-10-21 18:57 ` Luben Tuikov
2005-10-21 17:32 ` Luben Tuikov
2005-10-21 1:50 ` Douglas Gilbert
2005-10-21 2:16 ` Jeff Garzik
2005-10-21 3:25 ` Douglas Gilbert
2005-10-21 18:04 ` Luben Tuikov
-- strict thread matches above, loose matches on Subject: below --
2005-10-21 20:31 ioctls, etc. (was Re: [PATCH 1/4] sas: add flag for locally attached PHYs) Salyzyn, Mark
2005-10-21 20:31 ` Salyzyn, Mark
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=43592FA1.8000206@adaptec.com \
--to=luben_tuikov@adaptec.com \
--cc=Eric.Moore@lsil.com \
--cc=andrew.patterson@hp.com \
--cc=hch@lst.de \
--cc=jejb@steeleye.com \
--cc=jgarzik@pobox.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=torvalds@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.