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authorAlexander Block <ablock84@googlemail.com>2012-06-05 21:07:48 +0200
committerAlexander Block <ablock84@googlemail.com>2012-07-25 23:30:14 +0200
commit7069830a9e381e33d44ded45095f764844c71d24 (patch)
tree128cdd4c868bdaa436383e20930fbcc3b269de7e /fs/btrfs/backref.h
parentBtrfs: introduce subvol uuids and times (diff)
downloadlinux-dev-7069830a9e381e33d44ded45095f764844c71d24.tar.xz
linux-dev-7069830a9e381e33d44ded45095f764844c71d24.zip
Btrfs: add btrfs_compare_trees function
This function is used to find the differences between two trees. The tree compare skips whole subtrees if it detects shared tree blocks and thus is pretty fast. Signed-off-by: Alexander Block <ablock84@googlemail.com> Reviewed-by: David Sterba <dave@jikos.cz> Reviewed-by: Arne Jansen <sensille@gmx.net> Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net> Reviewed-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
Diffstat (limited to 'fs/btrfs/backref.h')
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