Re: [RFC PATCH 00/17] btrfs zoned block device support

2018-08-10 Thread Qu Wenruo


On 8/10/18 9:32 PM, Hans van Kranenburg wrote:
> On 08/10/2018 09:28 AM, Qu Wenruo wrote:
>>
>>
>> On 8/10/18 2:04 AM, Naohiro Aota wrote:
>>> This series adds zoned block device support to btrfs.
>>>
>>> [...]
>>
>> And this is the patch modifying extent allocator.
>>
>> Despite that, the support zoned storage looks pretty interesting and
>> have something in common with planned priority-aware extent allocator.
> 
> Priority-aware allocator? Is someone actually working on that, or is it
> planned like everything is 'planned' (i.e. nice idea, and might happen
> or might as well not happen ever, SIYH)?

I'm working on this, although it will take some time.

Although it's originally designed to solve the problem where some empty
block groups won't be freed due to pinned bytes.

Thanks,
Qu
> 



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Re: [RFC PATCH 00/17] btrfs zoned block device support

2018-08-10 Thread Hans van Kranenburg
On 08/10/2018 09:28 AM, Qu Wenruo wrote:
> 
> 
> On 8/10/18 2:04 AM, Naohiro Aota wrote:
>> This series adds zoned block device support to btrfs.
>>
>> [...]
> 
> And this is the patch modifying extent allocator.
> 
> Despite that, the support zoned storage looks pretty interesting and
> have something in common with planned priority-aware extent allocator.

Priority-aware allocator? Is someone actually working on that, or is it
planned like everything is 'planned' (i.e. nice idea, and might happen
or might as well not happen ever, SIYH)?

-- 
Hans van Kranenburg



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