Re: sd_resume redundant? [was: [PATCH] libata: implement ata_wait_after_reset()]

[Robert Hancock <hancockr@shaw.ca>]

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/

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