linux-kernel - Re: [PATCH 3.8 068/133] [SCSI] fix our current target reap infrastructure

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Message-ID: <1398391392.7767.181.camel@deadeye.wl.decadent.org.uk>
Date:	Fri, 25 Apr 2014 03:03:12 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Kamal Mostafa <kamal@...onical.com>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com,
	James Bottomley <JBottomley@...allels.com>
Subject: Re: [PATCH 3.8 068/133] [SCSI] fix our current target reap
 infrastructure

On Tue, 2014-04-22 at 13:13 -0700, Kamal Mostafa wrote:
> 3.8.13.22 -stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: James Bottomley <JBottomley@...allels.com>
> 
> commit e63ed0d7a98014fdfc2cfeb3f6dada313dcabb59 upstream.
> 
> This patch eliminates the reap_ref and replaces it with a proper kref.
> On last put of this kref, the target is removed from visibility in
> sysfs.  The final call to scsi_target_reap() for the device is done from
> __scsi_remove_device() and only if the device was made visible.  This
> ensures that the target disappears as soon as the last device is gone
> rather than waiting until final release of the device (which is often
> too long).
> 
> Reviewed-by: Alan Stern <stern@...land.harvard.edu>
> Tested-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
> Signed-off-by: James Bottomley <JBottomley@...allels.com>
> Signed-off-by: Kamal Mostafa <kamal@...onical.com>
[...]

This and the next patch had the comment "delay backport by 2 months for
field testing".

Ben.

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein

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