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

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Message-ID: <baf509ad-95d6-9c28-d913-0b672c73562f@huaweicloud.com>
Date: Thu, 13 Feb 2025 10:47:21 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: Yu Kuai <yukuai1@...weicloud.com>, axboe@...nel.dk,
 akpm@...ux-foundation.org, ming.lei@...hat.com, yang.yang@...o.com,
 bvanassche@....org
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
 yi.zhang@...wei.com, yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH RFC v3 0/7] lib/sbitmap: fix shallow_depth tag allocation

在 2024/12/21 17:37, Yu Kuai 写道:
> 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;
> 

Friendly ping ...

> 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(-)
>