Re: [PATCH 4/6] elevator: factor elevator lock out of dispatch_request method

[Yu Kuai <yukuai1@huaweicloud.com>]

Hi,

在 2025/07/23 12:34, Damien Le Moal 写道:
> What about something like this:
> 1) Introduce the elevator common/generic lock (first part of patch 1 + middle
> of patch 4 squashed together)
> 2) Convert deadline to use elevator generic lock (second part of patch 1 + end
> of patch 4)
> 3) Convert bfq to use elevator generic lock (patch 3 + beginning of patch 4)
> 4) Patch 6
> 
> As for the ioc changes, they do not seem directly related to the elevator lock
> changes, but since the code may conflict, maybe bring them as prep patches at
> the beginning (0).

This sounds good. BTW, the ioc changes has to be in front of step 3), to
prevent queue_lock to be nested in elevator lock.

Thanks,
Kuai