btrfs: qgroup: Record possible quota-related extent for qgroup.

Add hook in add_delayed_ref_head() to record quota-related extent record
into delayed_ref_root->dirty_extent_record rb-tree for later qgroup
accounting.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Qu Wenruo 2015-04-16 14:34:17 +08:00 • committed by Chris Mason
commit 3368d001ba
5 changed files with 95 additions and 7 deletions