linux-kernel - [PATCH RFC v3 0/7] lib/sbitmap: fix shallow

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Message-Id: <20241221093710.926309-1-yukuai1@huaweicloud.com>
Date: Sat, 21 Dec 2024 17:37:03 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: axboe@...nel.dk,
	akpm@...ux-foundation.org,
	ming.lei@...hat.com,
	yang.yang@...o.com,
	yukuai3@...wei.com,
	bvanassche@....org
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	yukuai1@...weicloud.com,
	yi.zhang@...wei.com,
	yangerkun@...wei.com
Subject: [PATCH RFC v3 0/7] lib/sbitmap: fix shallow_depth tag allocation

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

Changes in RFC v3:
 - only patch 1,2 is from v1/v2, others are new patches, in order to change
 async_depth to request queue attribute.

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 (7):
  lib/sbitmap: convert shallow_depth from one word to the whole sbitmap
  lib/sbitmap: make sbitmap_get_shallow() internal
  block/elevator: add new ops async_depth_updated()
  block: change the filed nr_requests to unsgined int in request_queue
  block: add new queue sysfs api async_depth
  block/mq-deadline: switch to use queue async_depth
  block/kyber-iosched: switch to use queue async_depth

 block/blk-sysfs.c       | 35 ++++++++++++++++++++
 block/elevator.h        |  1 +
 block/kyber-iosched.c   | 31 +++--------------
 block/mq-deadline.c     | 57 ++++++--------------------------
 include/linux/blkdev.h  |  8 ++++-
 include/linux/sbitmap.h | 19 +----------
 lib/sbitmap.c           | 73 +++++++++++++++++++++++++----------------
 7 files changed, 103 insertions(+), 121 deletions(-)

-- 
2.39.2