Commits
Qu Wenruo committed ac46777213e
btrfs: extent_io: Introduce needed structure for recoding set/clear bits Add a new structure, extent_change_set, to record how many bytes are changed in one set/clear_extent_bits() operation, with detailed changed ranges info. This provides the needed facilities for later qgroup reserve framework. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>