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 17:41:18 +0000 [thread overview]
Message-ID: <1132335678.25914.55.camel@localhost.localdomain> (raw)
In-Reply-To: <58cb370e0511180838x621d35c9w57df4551016cd52f@mail.gmail.com>
On Gwe, 2005-11-18 at 17:38 +0100, Bartlomiej Zolnierkiewicz wrote:
> On 11/18/05, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> > 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.
>
> Therefore doing ATA_CMD_WRITE_MULTI_FUA_EXT w/ VDMA
> should be just fine as is WIN_WRITE_EXT w/ VDMA currently?
As I understand it yes
next prev parent reply other threads:[~2005-11-18 17:09 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
2005-11-18 16:38 ` Bartlomiej Zolnierkiewicz
2005-11-18 17:41 ` Alan Cox [this message]
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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