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* Btrfs-progs: cleanup duplicated division functionsEric Sandeen2013-08-09
div_factor has been implemented for two times, cleanup it. And I move them into a independent file named math.h because they are common math functions. [Eric Sandeen: port kernel commit 3fed40c to userspace] Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>