From: Alex Elder <elder@inktank.com>
Date: Wed, 1 May 2013 17:43:03 +0000 (-0500)
Subject: rbd: allocate object requests with a slab allocator
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=868311b1ebc9b203bae0d6d1f012ea5cbdadca03;p=pandora-kernel.git

rbd: allocate object requests with a slab allocator

Create a slab cache to manage rbd_obj_request allocation.  We aren't
using a constructor, and we'll zero-fill object request structures
when they're allocated.

This is part of:
    http://tracker.ceph.com/issues/3926

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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