btrfs-progs: fsck-test: Introduce test case for false data extent backref lost

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Introduce a new test image, which has an extent item with no inlined
extent data ref, but all keyed extent data ref.

Only in this case we can trigger fase data extent backref lost bug in
lowmem mode.

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

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Qu Wenruo 2017-11-22 17:03:19 +08:00 committed by David Sterba

parent 7a382c8ce0

commit fe23461921

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