From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Jens Axboe <jens.axboe@oracle.com>,
linux-kernel@vger.kernel.org, Neil Brown <neilb@suse.de>
Subject: Re: [PATCH 1/2] Avoid bio_endio recursion
Date: Fri, 4 Jul 2008 00:00:10 +0100 [thread overview]
Message-ID: <20080704000010.08db5daf@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <Pine.LNX.4.64.0807031843480.10463@engineering.redhat.com>
> SCSI. Even the NCQ commands are done via IDE registers, not SCSI command
> block. It seems like someone wanted to save few weeks of coding by reusing
Thats really a trivial question of encoding, in all but actual
byte encoding it is SCSI. Once you look at SAS and ATAPI it's all the
more clear.
> the SCSI disk queuing ... and created a lot of other problems (example: if
> you have disk error with IDE driver, it dumps IDE registers into log ...
> if you have disk error with SATA driver, it dumps sense key ... but
Actually it dumps both - and that behaviour was chosen to match existing
drivers in a large part (eg 3ware).
next prev parent reply other threads:[~2008-07-03 23:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-24 5:22 Mikulas Patocka
2008-06-24 6:08 ` Neil Brown
2008-06-24 14:36 ` Mikulas Patocka
2008-06-24 8:07 ` Jens Axboe
2008-06-24 14:27 ` Mikulas Patocka
2008-06-25 8:24 ` Jens Axboe
2008-06-26 0:13 ` Mikulas Patocka
2008-06-26 7:07 ` Jens Axboe
2008-07-02 4:09 ` Mikulas Patocka
2008-07-02 8:00 ` Alan Cox
2008-07-03 21:03 ` Mikulas Patocka
2008-07-02 8:25 ` Jens Axboe
2008-07-03 21:08 ` Mikulas Patocka
2008-07-03 21:04 ` Alan Cox
2008-07-03 22:54 ` Mikulas Patocka
2008-07-03 23:00 ` Alan Cox [this message]
2008-07-03 23:51 ` Mikulas Patocka
2008-07-03 23:44 ` Alan Cox
2008-07-04 3:26 ` Mikulas Patocka
2008-07-04 8:11 ` Alan Cox
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