From: Alex Elder <elder@inktank.com>
Date: Wed, 1 May 2013 17:43:03 +0000 (-0500)
Subject: rbd: allocate image requests with a slab allocator
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c2a9dfe2107e81b9f0ee90845c687cf7ff84106;p=pandora-kernel.git

rbd: allocate image requests with a slab allocator

Create a slab cache to manage rbd_img_request allocation.  Nothing
too fancy at this point--we'll still initialize everything at
allocation time (no constructor)

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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