From: Robert Hancock <hancockr@shaw.ca>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: ide <linux-ide@vger.kernel.org>, Indan Zupancic <indan@nul.nu>,
linux-kernel <linux-kernel@vger.kernel.org>,
Tejun Heo <htejun@gmail.com>
Subject: Re: sd_resume redundant? [was: [PATCH] libata: implement ata_wait_after_reset()]
Date: Sun, 20 May 2007 16:25:03 -0600 [thread overview]
Message-ID: <4650CABF.9020602@shaw.ca> (raw)
In-Reply-To: <20070520115353.4428a735.randy.dunlap@oracle.com>
Randy Dunlap wrote:
> On Sun, 20 May 2007 11:45:03 -0600 Robert Hancock wrote:
>
>> Indan Zupancic wrote:
>>>>> Everything seems to work fine without sd_resume(), so why is it needed?
>>>> Because not all disks spin up without being told to do so and like it or
>>>> not spinning disks up on resume is the default behavior. As I wrote in
>>>> the other reply, it would be worthwhile to make it configurable.
>>> Not even after they receive a read command? Ugh.
>> ATA disks are supposed to spin up, yes. SCSI disks require a command to
>> tell them to spin up if they're in the "stopped" state.
>
> Good info, but linux-ide was dropped. Is that due to lack of
> reply-to-all or is it a newsgroup thing or what?
That would be a newsgroup thing. It seems that sometimes CCs get dropped
when the posts are forwarded to fa.linux.kernel where I normally read them.
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next prev parent reply other threads:[~2007-05-20 22:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.M0o+I253i7tt/LF97sml0AM+Gec@ifi.uio.no>
[not found] ` <fa.j/gDhS9FZwWkX/stLhREkTHNbFs@ifi.uio.no>
[not found] ` <fa.EalQUMJMBHX/KTGV2QFQLG6tYus@ifi.uio.no>
[not found] ` <fa.Zh3ttZJ9A5tObhEjMLSALUpxCuQ@ifi.uio.no>
[not found] ` <fa.tQ9LHpM0TOYAYEug36HHMvEVOO0@ifi.uio.no>
[not found] ` <fa.jSmqI/kJPff3zaVtC404yNL5/Qk@ifi.uio.no>
2007-05-20 17:45 ` sd_resume redundant? [was: [PATCH] libata: implement ata_wait_after_reset()] Robert Hancock
2007-05-20 18:53 ` Randy Dunlap
2007-05-20 22:25 ` Robert Hancock [this message]
2007-05-10 7:20 libata reset-seq merge broke sata_sil on sh Paul Mundt
2007-05-10 11:28 ` Tejun Heo
2007-05-10 11:53 ` Tejun Heo
2007-05-10 12:46 ` Paul Mundt
2007-05-10 13:08 ` Tejun Heo
[not found] ` <20070511005217.GA23186@li <464B3505.20004@gmail.com>
2007-05-19 16:39 ` [PATCH] libata: implement ata_wait_after_reset() Indan Zupancic
2007-05-19 18:43 ` Tejun Heo
2007-05-19 19:04 ` Tejun Heo
2007-05-19 22:33 ` sd_resume redundant? [was: [PATCH] libata: implement ata_wait_after_reset()] Indan Zupancic
2007-05-19 22:33 ` Indan Zupancic
2007-05-20 9:54 ` Tejun Heo
2007-05-20 14:27 ` Indan Zupancic
2007-05-20 17:17 ` Tejun Heo
2007-05-20 19:47 ` Indan Zupancic
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