From: Alex Elder <elder@inktank.com>
Date: Fri, 5 Apr 2013 06:27:12 +0000 (-0500)
Subject: libceph: kill off osd request r_data_in and r_data_out
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~26^2~118
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5476492fba9fd0b4118aacf5b924dd29b8cca56c;p=pandora-kernel.git

libceph: kill off osd request r_data_in and r_data_out

Finally!  Convert the osd op data pointers into real structures, and
make the switch over to using them instead of having all ops share
the in and/or out data structures in the osd request.

Set up a new function to traverse the set of ops and release any
data associated with them (pages).

This and the patches leading up to it resolve:
    http://tracker.ceph.com/issues/4657

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