linux-kernel - Re: [PATCH 1/6] Add refcount to sas

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Message-ID: <20150703152400.GA4472@infradead.org>
Date:	Fri, 3 Jul 2015 08:24:00 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Calvin Owens <calvinowens@...com>
Cc:	Nagalakshmi Nandigama <nagalakshmi.nandigama@...gotech.com>,
	Praveen Krishnamoorthy <praveen.krishnamoorthy@...gotech.com>,
	Sreekanth Reddy <sreekanth.reddy@...gotech.com>,
	Abhijit Mahajan <abhijit.mahajan@...gotech.com>,
	MPT-FusionLinux.pdl@...gotech.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH 1/6] Add refcount to sas_device struct

On Mon, Jun 08, 2015 at 08:50:51PM -0700, Calvin Owens wrote:
> These objects can be referenced concurrently throughout the driver, we
> need a way to make sure threads can't delete them out from under each
> other.
> 
> Signed-off-by: Calvin Owens <calvinowens@...com>

Thsi doesn't make sense without users of the refcount, and should be
squashed into the patch actually using the refcounting.
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