Re: [PATCH 2/2] ufs: don't use the fair tag sharings

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On 5/18/23 00:55, Yu Kuai wrote:
在 2023/05/18 10:23, Bart Van Assche 写道:
On 5/17/23 18:49, Yu Kuai wrote:
Currently, fair share from hctx_may_queue() requires two
atomic_read(active_queues and active_requests), I think this smoothing
method can be placed into get_tag fail path, for example, the more times
a disk failed to get tag in a period of time, the more tag this disk can
get, and all the information can be updated here(perhaps directly
record how many tags a disk can get, then hctx_may_queue() still only
require 2 atomic_read()).

That sounds interesting to me. Do you perhaps plan to implement this approach and to post it as a patch?

Of course, I'll try to send a RFC patch.

Hi Kuai,

Has this RFC patch already been posted or did I perhaps miss it?

Thanks,

Bart.




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