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(parent: be20779) | 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)
commita58bffd3942b15c4b355202e757dce783cff3e45
treeb00c9218655cf51dffd78f141abda64c7ea8a696tree | snapshot
parentbe207796a73e3208279ef93da78a94f58f448a0acommit | 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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