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(parent: e5512b6) | patch
btrfs: qgroup: Switch to new extent-oriented qgroup mechanism.
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Thu, 16 Apr 2015 08:55:08 +0000 (16:55 +0800)
committerChris Mason <clm@fb.com>
Wed, 10 Jun 2015 16:25:59 +0000 (09:25 -0700)
commit81b50cc49a116c55d7a914c197bca8910b2cba1f
treeb00c9218655cf51dffd78f141abda64c7ea8a696tree | snapshot
parente5512b6f2b19fd7c581f9a6fa9a6d1b0075d5372commit | diff
btrfs: qgroup: Switch to new extent-oriented qgroup mechanism.

Switch from old ref_node based qgroup to extent based qgroup mechanism
for normal operations.

The new mechanism should hugely reduce the overhead of btrfs quota
system, and further more, the codes and logic should be more clean and
easier to maintain.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/extent-tree.c diff | blob | history
fs/btrfs/transaction.c diff | blob | history
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