From: Wang Sheng-Hui <shhuiw@gmail.com>
Date: Fri, 30 Nov 2012 06:30:14 +0000 (+0000)
Subject: Btrfs: use ctl->unit for free space calculation instead of block_group->sectorsize
X-Git-Tag: v3.8-rc1~71^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=960097622d48bf0ee8f6c0cf751a904066c4b45b;p=pandora-kernel.git

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>
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