linux-kernel - Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs directories.

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Message-ID: <4A1D2583.8040803@suse.de>
Date:	Wed, 27 May 2009 13:35:31 +0200
From:	Hannes Reinecke <hare@...e.de>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Kay Sievers <kay.sievers@...y.org>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	SCSI development list <linux-scsi@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-fsdevel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>
Subject: Re: [PATCH 25/20] sysfs: Only support removing emtpy sysfs  directories.

Hi all,

Alan Stern wrote:
> On Wed, 27 May 2009, Kay Sievers wrote:
> 
>> On Wed, May 27, 2009 at 01:49, James Bottomley
>> <James.Bottomley@...senpartnership.com> wrote:
>>
>>> OK ... perhaps we have to wait a little harder: try this; it waits until
>>> all the targets have disappeared from visibility via an event.
>> That seems to work fine here.
> 
> It's good for a short-term fix.  For the longer term, I still think 
> it's a mistake to wait for the sdevs to be released before deleting the 
> target.  It gives user programs the ability to block the host-removal 
> thread indefinitely.
> 
Quite so. We should rather see to have the reference counting fixed
properly, than this would go away automatically.

So I just have to look for someone to fix my iSCSI bugs, than I could
revamp my patchset ...

Sigh.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@...e.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
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