From: Oliver Neukum <oliver@neukum.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb-devel@lists.sourceforge.net,
James Bottomley <James.Bottomley@steeleye.com>,
linux-scsi@vger.kernel.org
Subject: Re: [linux-usb-devel] question on flushing buffers and spinning down disk
Date: Fri, 28 Sep 2007 10:22:16 +0200 [thread overview]
Message-ID: <200709281022.17322.oliver@neukum.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0709271600200.7735-100000@iolanthe.rowland.org>
Am Donnerstag 27 September 2007 schrieb Alan Stern:
> Have you thought about how autoresume would fit into this picture? I
> don't think you can rely on usb-storage telling the SCSI core to resume
> devices when it gets handed a command, because the commands to spin-up
> the drives would have to be transmitted first. (The sample patch you
Actually, it is not a big question. By default sd_resume() is a nop.
Usually the first SCSI command would return NOT_READY and SCSI core
do a START_STOP_UNIT only then in response.
Regards
Oliver
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next prev parent reply other threads:[~2007-09-28 8:21 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-18 8:32 question on flushing buffers and spinning down disk Oliver Neukum
2007-09-18 14:01 ` James Bottomley
2007-09-18 14:15 ` Oliver Neukum
2007-09-18 14:26 ` James Bottomley
2007-09-24 10:33 ` Oliver Neukum
2007-09-24 14:38 ` Alan Stern
2007-09-24 15:21 ` Oliver Neukum
2007-09-24 15:34 ` Alan Stern
2007-09-24 16:47 ` Oliver Neukum
2007-09-24 17:10 ` Alan Stern
2007-09-24 19:16 ` [linux-usb-devel] " Oliver Neukum
2007-09-24 19:39 ` Alan Stern
2007-09-24 20:00 ` [linux-usb-devel] " Oliver Neukum
2007-09-25 14:13 ` Alan Stern
2007-09-25 15:11 ` Oliver Neukum
2007-09-28 4:27 ` Greg KH
2007-09-28 7:02 ` Oliver Neukum
2007-09-28 19:33 ` Greg KH
2007-09-25 7:50 ` Oliver Neukum
2007-09-25 15:03 ` Alan Stern
2007-09-27 11:40 ` Oliver Neukum
2007-09-27 16:01 ` Alan Stern
2007-09-27 18:12 ` Oliver Neukum
2007-09-27 19:07 ` [linux-usb-devel] " Alan Stern
2007-09-27 19:26 ` Oliver Neukum
2007-09-27 20:26 ` Alan Stern
2007-09-27 20:54 ` Steve Calfee
2007-09-27 21:16 ` Alan Stern
2007-09-27 21:37 ` U. George
2007-09-28 8:17 ` [linux-usb-devel] " Oliver Neukum
2007-09-28 15:01 ` Alan Stern
2007-09-28 8:22 ` Oliver Neukum [this message]
2007-09-28 21:11 ` [linux-usb-devel] " Alan Stern
2007-09-28 21:47 ` Oliver Neukum
2007-09-29 15:56 ` Alan Stern
2007-09-29 16:12 ` [linux-usb-devel] " Oliver Neukum
2007-09-28 9:04 ` Oliver Neukum
2007-09-28 15:07 ` Alan Stern
2007-09-28 21:33 ` [linux-usb-devel] " Oliver Neukum
2007-09-29 16:38 ` Alan Stern
2007-09-29 17:52 ` Oliver Neukum
2007-09-29 19:06 ` Alan Stern
2007-09-29 20:06 ` Oliver Neukum
2007-09-29 20:56 ` Alan Stern
2007-09-29 21:03 ` David Brownell
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