lkml.org 
[lkml]   [2011]   [May]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] scsi/sd: fix suspend with USB-connected Android phone (one line)
On 05/14/2011 09:11 PM, Oliver Neukum wrote:
> Am Donnerstag, 12. Mai 2011, 22:36:03 schrieb James Bottomley:
>
>> Instinct tells me the correct set of fixes is to add a sync cache from
>> release (so we automatically sync on last close, which is usually when
>> an ordered remove happens), keep the one on shutdown, just in case the
>> system goes down with stuff still mounted and print a nasty message on
>> suspend for a write back device that's been removed.
>>
>> I also think we shouldn't abort the suspend if the disk doesn't respond
>> correctly to start/stop ... the power is going to be disconnected
>> anyway, so it's no issue if the disk spins for a second or so longer.
>>
>> The problem this is going to cause is double sync on shutdown (once when
>> final unmount closes the device and once on shutdown) ... do people
>> agree that's a price worth paying?
>>
>> Something like this?
>
> Hi,
>
> it seems to me that the error codes should really be evaluated a bit better.
> How about this?
>
> Regards
> Oliver
>
> From 2ab03ae46d6dc126a51ee9cd38206fbdc8bf6a34 Mon Sep 17 00:00:00 2001
> From: Oliver Neukum<oliver@neukum.org>
> Date: Mon, 25 Oct 2010 12:25:26 +0200
> Subject: [PATCH 2/5] SCSI:sd:error handling in sd_sync_cache()
>
> The SCSI commands sd_sync_cache() uses may fail.
> These errors needs to be evaluated to return correct
> error codes. This fixes system suspension while a device
> removal is being handled.
>
> Signed-off-by: Oliver NEukum<oneukum@suse.de>
Yep, this makes sense.

Acked-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2011-05-16 07:59    [W:0.069 / U:2.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site