Reviewed-by: Goldwyn Rodrigues
On 10/17/2016 08:31 PM, Qu Wenruo wrote:
> Add explain how btrfs qgroup works.
>
> Qgroup is split into 3 main phrases:
> 1) Reserve
>To ensure qgroup doesn't exceed its limit
>
> 2) Trace
>To info qgroup to trace which extent
>
> 3) Account
>Calculat
Add explain how btrfs qgroup works.
Qgroup is split into 3 main phrases:
1) Reserve
To ensure qgroup doesn't exceed its limit
2) Trace
To info qgroup to trace which extent
3) Account
Calculate qgroup number change for each traced extent.
This should save quite some time for new develop
