btrfs: allow backref search checks for shared extents

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When called with a struct share_check, find_parent_nodes()
will detect a shared extent and immediately return with
BACKREF_SHARED_FOUND.

Signed-off-by: Edmund Nadolski <enadolski@suse.com>
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

...

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Edmund Nadolski 2017-07-12 16:20:10 -06:00 • committed by David Sterba

parent 9dd14fd696

commit 3ec4d3238a

1 changed files with 115 additions and 49 deletions

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164

fs/btrfs/backref.c

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