Wang Sheng-Hui 960097622d Btrfs: use ctl->unit for free space calculation instead of block_group->sectorsize ...

We should use ctl->unit for free space calculation instead of block_group->sectorsize
even though for free space use_bitmap or free space cluster we only have sectorsize assigned to ctl->unit currently. Also, we can keep it consisten in code style.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

2012-12-16 20:46:17 -05:00

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