Re: [PATCH v5 02/12] md: merge mddev has_superblock into mddev_flags

Hi,

在 2026/1/16 23:06, Christoph Hellwig 写道:
> On Thu, Jan 15, 2026 at 01:12:30AM +0800, Yu Kuai wrote:
>> There is not need to use a separate field in struct mddev, there are no
>> functional changes.
> It seems to be that right now the bitfields are persistent "features"
> while the bits are state.  This might not matter much, but it seems like
> there is some rationale behind the current version.

I don't think so, there are already flags like MD_CLOSING, MD_ARRAY_FIRST_USE
that is set only in memory for a long time now. Anyway, it'll make sense to
split feature flags and state flags later.

>
-- 
Thansk,
Kuai