From 4d8bb2cbccf6dccaada509aafeb01c6205c9d8c4 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 19 Nov 2009 18:10:39 +0000
Subject: [PATCH] SLOW_WORK: Make slow_work_ops ->get_ref/->put_ref optional

Make the ability for the slow-work facility to take references on a work item
optional as not everyone requires this.

Even the internal slow-work stubs them out, so those can be got rid of too.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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