btrfs-progs: tests: Add SHARED_DATA_REF test image for check lowmem mode

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Introduce a new image, which contains external SHARED_DATA_REF items to
trigger a lowmem mode false alert.

The image only contains external SHARED_DATA_REF and no inlined data
backref.

Before the image, we only have inlined shared data ref, which is not
enough to trigger lowmem mode false alert.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2017-03-17 10:06:34 +08:00 committed by David Sterba

parent ad60ed92d1

commit 583cab2e2c

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