Re: [PATCH v5 0/5] RAID 0/1/10 atomic write support
From: Jens Axboe
Date: Tue Nov 19 2024 - 12:36:35 EST
On 11/19/24 10:05 AM, John Garry wrote:
> On 18/11/2024 10:50, John Garry wrote:
>> This series introduces atomic write support for software RAID 0/1/10.
>>
>> The main changes are to ensure that we can calculate the stacked device
>> request_queue limits appropriately for atomic writes. Fundamentally, if
>> some bottom does not support atomic writes, then atomic writes are not
>> supported for the top device. Furthermore, the atomic writes limits are
>> the lowest common supported limits from all bottom devices.
>>
>> Flag BLK_FEAT_ATOMIC_WRITES_STACKED is introduced to enable atomic writes
>> for stacked devices selectively. This ensures that we can analyze and test
>> atomic writes support per individual md/dm personality (prior to
>> enabling).
>>
>> Based on 88d47f629313 (block/for-6.13/block) Merge tag
>> 'md-6.13-20241115' ofhttps://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into for-6.13/block
>
> Hi Jens,
>
> In case you are planning on sending a 2nd batch of new dev for 6.13, I
> think that this is in mergeable state.
>
> If not, I'll repost for 6.14 later.
I think we can do 6.13 for this one, I always do a later pull week after
merge window starts. And this has been posted previously as well, so
probably no reason to further delay it.
--
Jens Axboe