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author	Sage Weil <sage@inktank.com>
	Mon, 25 Mar 2013 21:14:50 +0000 (14:14 -0700)
committer	Josh Durgin <josh.durgin@inktank.com>
	Mon, 1 Apr 2013 06:32:40 +0000 (23:32 -0700)
commit	0296c7cdae91907efadf4f5b154b817daf55b26f
tree	6d2776911b012df20694526df1ca5de10998291c	tree \| snapshot
parent	6db5109127d34a1d7418baf739ca31dd772797f4	commit \| diff

librbd: implement diff_iterate

Implement a diff_iterate() method that will iterate over an image and
report which extents vary between two snapshots (or a snapshot and the
head). The callback gets an extent and a flag indicating whether it is
full of data or is known to be zero in the ending snapshot.

Signed-off-by: Sage Weil <sage@inktank.com>

src/Makefile.am		diff \| blob \| history
src/include/rados/rados_types.hpp		diff \| blob \| history
src/include/rbd/librbd.hpp		diff \| blob \| history
src/librbd/internal.cc		diff \| blob \| history
src/librbd/internal.h		diff \| blob \| history
src/librbd/librbd.cc		diff \| blob \| history
src/osdc/snap_set_diff.cc	[new file with mode: 0644]	blob
src/osdc/snap_set_diff.h	[new file with mode: 0644]	blob
src/test/librbd/test_librbd.cc		diff \| blob \| history

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