linux-kernel - [PATCH RFC v2 0/4] lib/sbitmap: fix shallow

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Message-Id: <20241217024047.1091893-1-yukuai1@huaweicloud.com>
Date: Tue, 17 Dec 2024 10:40:43 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	akpm@...ux-foundation.org,
	ming.lei@...hat.com,
	yang.yang@...o.com,
	bvanassche@....org,
	osandov@...com,
	paolo.valente@...aro.org
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	yukuai3@...wei.com,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com
Subject: [PATCH RFC v2 0/4] lib/sbitmap: fix shallow_depth tag allocation

From: Yu Kuai <yukuai3@...wei.com>

Changes in RFC v2:
 - update commit message for patch 1;
 - also handle min_shallow_depth in patch 2;
 - add patch 3 to choose none elevator by default;
 - add patch 4 to fix default wake_batch;

Yu Kuai (4):
  block/mq-deadline: Revert "block/mq-deadline: Fix the tag reservation
    code"
  lib/sbitmap: fix shallow_depth tag allocation
  block/elevator: choose none elevator for high IO concurrency ability
    disk
  block/mq-deadline: introduce min_async_depth

 block/elevator.c        | 11 +++++++++
 block/mq-deadline.c     | 35 +++++++++++++-------------
 include/linux/sbitmap.h |  6 ++---
 lib/sbitmap.c           | 55 +++++++++++++++++++++--------------------
 4 files changed, 59 insertions(+), 48 deletions(-)

-- 
2.39.2