From: Mark Lord <lkml@rtr.ca>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2
Date: Tue, 14 Sep 2004 13:14:35 -0400 [thread overview]
Message-ID: <414726FB.20703@rtr.ca> (raw)
In-Reply-To: <1095177622.16990.48.camel@localhost.localdomain>
Alan Cox wrote:
> Correct ioctl return is -ENOTTY for unknown (thats a mistake still in
> many existing drivers so no suprise its still being copied)
Quoting linux/Documentation/scsi_mid_low_api.txt:
*
* Unfortunately some applications expect -EINVAL and react badly
* when -ENOTTY is returned; stick with -EINVAL.
Looks like a documentation fix is needed then.
This is a hardware RAID device, with various graduations of sharing
possible between hardware and software. It was originally written
pre-libata, and the RAID functionality in particular does not map
well to libata. Nor do the host-queuing implementation and other features.
Thanks Alan. I'll address the other points you brought up later.
Cheers
--
Mark Lord
(hdparm keeper & the original "Linux IDE Guy")
next prev parent reply other threads:[~2004-09-14 17:23 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-14 15:42 [PATCH] New QStor SATA/RAID Driver for 2.6.9-rc2 Mark Lord
2004-09-14 16:00 ` Alan Cox
2004-09-14 17:14 ` Mark Lord [this message]
2004-09-14 17:00 ` Jeff Garzik
2004-09-14 17:27 ` Mark Lord
2004-09-14 17:33 ` Jeff Garzik
2004-09-14 17:51 ` Mark Lord
2004-09-14 17:56 ` Jeff Garzik
2004-09-14 18:03 ` Mark Lord
2004-09-14 18:07 ` Jeff Garzik
2004-09-14 18:08 ` Jeff Garzik
2004-09-14 18:25 ` James Bottomley
2004-09-14 18:35 ` Jeff Garzik
2004-09-14 18:51 ` James Bottomley
2004-09-15 2:39 ` Mark Lord
2004-09-15 2:47 ` Jeff Garzik
2004-09-15 12:35 ` Mark Lord
-- strict thread matches above, loose matches on Subject: below --
2004-09-14 15:43 Mark Lord
2004-09-14 16:21 ` Jeff Garzik
2004-09-14 16:23 ` Jeff Garzik
2004-09-14 16:39 ` Nathan Bryant
2004-09-14 17:02 ` Jeff Garzik
2004-09-15 4:22 ` Douglas Gilbert
2004-09-15 4:30 ` Jeff Garzik
2004-09-15 12:47 ` Mark Lord
2004-09-15 12:55 ` Jens Axboe
2004-09-15 13:13 ` Matthew Wilcox
2004-09-15 16:14 ` Jeff Garzik
2004-09-15 17:01 ` Jeff Garzik
2004-09-15 7:02 ` Christoph Hellwig
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