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authorQu Wenruo <wqu@suse.com>2017-12-12 15:34:24 +0800
committerDavid Sterba <dsterba@suse.com>2018-03-31 01:41:13 +0200
commitf59c0347d4be22dad5812b5b14bf94ac0efd371a (patch)
tree526802d8f61876cde2d2ebe69e34e6fef633bda6 /Documentation
parentd4e5c92055d8933e9a2030fcbe6d0dbbec538c58 (diff)
downloadlinux-f59c0347d4be22dad5812b5b14bf94ac0efd371a.tar.bz2
btrfs: qgroup: Introduce helpers to update and access new qgroup rsv
Introduce helpers to: 1) Get total reserved space For limit calculation 2) Add/release reserved space for given type With underflow detection and warning 3) Add/release reserved space according to child qgroup Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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