From: Alan Stern <stern@rowland.harvard.edu>
To: Aaron Lu <aaron.lu@intel.com>
Cc: Aaron Lu <aaron.lwe@gmail.com>, Oliver Neukum <oneukum@suse.de>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
Jeff Garzik <jgarzik@pobox.com>,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v6 1/7] scsi: sr: support runtime pm for ODD
Date: Fri, 7 Sep 2012 11:41:11 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.44L0.1209071138370.1674-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <504A0A4E.9040801@intel.com>
On Fri, 7 Sep 2012, Aaron Lu wrote:
> > What I'd really like is a way to do the status polling without having
> > it reset the idle timer.
>
> I like this, I'll try to see if this can be done.
>
> If we idle the device immediately, we would suspend/resume the ODD every
> 2 seconds, which may not be a good idea.
It may be okay. This depends on how long it takes to suspend and
resume the drive and its parents. If it takes no more than a few
hundred ms then there shouldn't be any problem. Especially if the
polling interval is increased to something like 5 seconds.
Alan Stern
next prev parent reply other threads:[~2012-09-07 15:41 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 14:24 [PATCH v6 0/7] ZPODD patches Aaron Lu
2012-09-04 14:24 ` [PATCH v6 1/7] scsi: sr: support runtime pm for ODD Aaron Lu
2012-09-04 15:57 ` Oliver Neukum
2012-09-04 17:59 ` Alan Stern
2012-09-04 18:47 ` Oliver Neukum
2012-09-05 15:22 ` Aaron Lu
2012-09-05 16:08 ` Alan Stern
2012-09-05 22:49 ` Aaron Lu
2012-09-06 15:06 ` Alan Stern
2012-09-06 15:25 ` Oliver Neukum
2012-09-06 17:08 ` Alan Stern
2012-09-06 18:06 ` Oliver Neukum
2012-09-06 18:50 ` Alan Stern
2012-09-10 9:16 ` Aaron Lu
2012-09-10 10:45 ` Oliver Neukum
2012-09-11 6:44 ` Aaron Lu
2012-09-11 8:55 ` Oliver Neukum
2012-09-11 9:24 ` Aaron Lu
2012-09-11 9:30 ` Oliver Neukum
2012-09-11 11:11 ` Aaron Lu
2012-09-11 12:10 ` Oliver Neukum
2012-09-11 12:31 ` Aaron Lu
2012-09-11 12:35 ` Oliver Neukum
2012-09-11 12:13 ` Aaron Lu
2012-09-07 14:53 ` Aaron Lu
2012-09-07 15:41 ` Alan Stern [this message]
2012-09-05 18:06 ` Oliver Neukum
2012-09-06 5:55 ` Aaron Lu
2012-09-06 5:17 ` Aaron Lu
2012-09-04 14:24 ` [PATCH v6 2/7] block: genhd: export disk_(un)block_events Aaron Lu
2012-09-04 14:24 ` [PATCH v6 3/7] scsi: sr: block events checking when suspended for zpodd Aaron Lu
2012-09-04 14:24 ` [PATCH v6 4/7] libata: acpi: set can_power_off for both ODD and HD Aaron Lu
2012-09-07 2:37 ` Jeff Garzik
2012-09-04 14:24 ` [PATCH v6 5/7] scsi: pm: add may_power_off flag Aaron Lu
2012-09-04 16:01 ` Oliver Neukum
2012-09-06 1:52 ` Aaron Lu
2012-09-04 14:24 ` [PATCH v6 6/7] scsi: sr: use may_power_off Aaron Lu
2012-09-04 14:24 ` [PATCH v6 7/7] libata: acpi: respect may_power_off flag Aaron Lu
2012-09-07 2:38 ` Jeff Garzik
2012-09-13 2:42 ` [PATCH v6 0/7] ZPODD patches Jack Wang
2012-09-13 3:20 ` Aaron Lu
2012-09-13 8:15 ` Jack Wang
2012-09-13 8:30 ` Aaron Lu
2012-09-13 8:39 ` Jack Wang
2012-09-13 8:56 ` Aaron Lu
2012-09-13 9:01 ` James Bottomley
2012-09-13 9:12 ` Jack Wang
2012-09-13 9:19 ` [PATCH " Aaron Lu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.44L0.1209071138370.1674-100000@iolanthe.rowland.org \
--to=stern@rowland.harvard.edu \
--cc=James.Bottomley@hansenpartnership.com \
--cc=aaron.lu@intel.com \
--cc=aaron.lwe@gmail.com \
--cc=jgarzik@pobox.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=oneukum@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.