Re: [PATCH] Revert "block: don't reorder requests in blk_add_rq_to_plug"

From: Bart Van Assche
Date: Wed Jun 11 2025 - 11:25:32 EST


On 6/11/25 5:14 AM, Hazem Mohamed Abuelfotoh wrote:
Given that moving plug list to a single linked list was mainly for
performance reason then let's revert commit <e70c301faece> ("block: don't
reorder requests in blk_add_rq_to_plug") for now to mitigate the
reported performance regression.

Reverting that commit would break zoned storage support and hence is not
an option.

Bart.