From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Tejun Heo <htejun@gmail.com>,
axboe@suse.de, jgarzik@pobox.com, James.Bottomley@steeleye.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH linux-2.6-block:post-2.6.15 09/10] blk: add FUA support to IDE
Date: Fri, 18 Nov 2005 17:02:44 +0000 [thread overview]
Message-ID: <1132333365.25914.53.camel@localhost.localdomain> (raw)
In-Reply-To: <58cb370e0511180817p48602e3ap6d3ef49b842e8a00@mail.gmail.com>
On Gwe, 2005-11-18 at 17:17 +0100, Bartlomiej Zolnierkiewicz wrote:
> Probably it should work fine given that drive->mult_count is on.
>
> The only controller using drive->vdma in the current tree is cs5520
> so you should confirm this with Mark Lord & Alan Cox.
The CS5520 VDMA performs PIO commands with controller driven DMA to PIO
of the data blocks. Thus it can do any PIO command with one data in or
out phase as if it were DMA.
> Long-term we should see if it is possible to remove dynamic IDE
> drive configuration and always just use the best possible settings.
Hotplug rather prevents that. For the lifetime of a drive connection
most of the settings ought to be settable once. Speeds are the obvious
exception.
next prev parent reply other threads:[~2005-11-18 16:31 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-17 15:36 [PATCH linux-2.6-block:post-2.6.15 00/10] blk: reimplementation of I/O barrier Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 01/10] blk: add @uptodate to end_that_request_last() and @error to rq_end_io_fn() Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 02/10] blk: separate out bio init part from __make_request Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 03/10] blk: reimplement handling of barrier request Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 04/10] blk: update SCSI to use new blk_ordered Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 05/10] blk: add FUA support to SCSI disk Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 06/10] blk: update libata to use new blk_ordered Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 07/10] blk: add FUA support to libata Tejun Heo
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 08/10] blk: update IDE to use new blk_ordered Tejun Heo
2005-11-17 20:11 ` Bartlomiej Zolnierkiewicz
2005-11-18 15:07 ` Tejun Heo
2005-11-18 15:59 ` Bartlomiej Zolnierkiewicz
2005-11-22 2:44 ` Tejun Heo
2005-11-22 8:36 ` Bartlomiej Zolnierkiewicz
2005-11-22 8:39 ` Bartlomiej Zolnierkiewicz
2005-11-23 7:23 ` Tejun Heo
2005-11-23 8:40 ` Bartlomiej Zolnierkiewicz
2005-11-23 8:46 ` Jens Axboe
2005-11-23 9:00 ` Tejun
2005-11-23 9:05 ` Bartlomiej Zolnierkiewicz
2005-11-17 15:36 ` [PATCH linux-2.6-block:post-2.6.15 09/10] blk: add FUA support to IDE Tejun Heo
2005-11-17 20:39 ` Bartlomiej Zolnierkiewicz
2005-11-18 15:25 ` Tejun Heo
2005-11-18 16:17 ` Bartlomiej Zolnierkiewicz
2005-11-18 17:02 ` Alan Cox [this message]
2005-11-18 16:38 ` Bartlomiej Zolnierkiewicz
2005-11-18 17:41 ` Alan Cox
2005-11-24 11:58 ` Tejun Heo
2005-11-24 12:21 ` Tejun Heo
2005-11-24 14:21 ` Bartlomiej Zolnierkiewicz
2005-11-17 15:37 ` [PATCH linux-2.6-block:post-2.6.15 10/10] blk: I/O barrier documentation Tejun Heo
2005-11-17 16:20 ` [PATCH linux-2.6-block:post-2.6.15 00/10] blk: reimplementation of I/O barrier Jeff Garzik
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