From: Christoph Hellwig <hch@lst.de>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: tj@kernel.org, ming.lei@redhat.com, nilay@linux.ibm.com,
hch@lst.de, josef@toxicpanda.com, axboe@kernel.dk,
akpm@linux-foundation.org, vgoyal@redhat.com,
cgroups@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
yukuai3@huawei.com, yi.zhang@huawei.com, yangerkun@huawei.com,
johnny.chenyi@huawei.com
Subject: Re: [PATCH 08/10] blk-cgroup: remove radix_tree_preload()
Date: Fri, 3 Oct 2025 09:37:24 +0200 [thread overview]
Message-ID: <20251003073724.GA12933@lst.de> (raw)
In-Reply-To: <20250925081525.700639-9-yukuai1@huaweicloud.com>
On Thu, Sep 25, 2025 at 04:15:23PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
>
> Now that blkcg_mutex is used to protect blkgs, memory allocation no
> longer need to be non-blocking, this is not needed.
Btw, this might also be a good time to convert from the old radix tree
to an xarray.
next prev parent reply other threads:[~2025-10-03 7:37 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-25 8:15 [PATCH 00/10] blk-cgroup: don't use queue_lock for protection and fix deadlock Yu Kuai
2025-09-25 8:15 ` [PATCH 01/10] blk-cgroup: use cgroup lock and rcu to protect iterating blkcg blkgs Yu Kuai
2025-09-25 15:57 ` Bart Van Assche
2025-09-25 17:07 ` Yu Kuai
2025-09-26 0:57 ` Yu Kuai
2025-09-26 17:19 ` Bart Van Assche
2025-09-29 1:02 ` Yu Kuai
2025-09-25 8:15 ` [PATCH 02/10] blk-cgroup: don't nest queue_lock under rcu in blkg_lookup_create() Yu Kuai
2025-09-25 8:15 ` [PATCH 03/10] blk-cgroup: don't nest queu_lock under rcu in bio_associate_blkg() Yu Kuai
2025-09-25 8:15 ` [PATCH 04/10] blk-cgroup: don't nest queue_lock under blkcg->lock in blkcg_destroy_blkgs() Yu Kuai
2025-09-25 8:15 ` [PATCH 05/10] mm/page_io: don't nest queue_lock under rcu in bio_associate_blkg_from_page() Yu Kuai
2025-09-25 8:15 ` [PATCH 06/10] block, bfq: don't grab queue_lock to initialize bfq Yu Kuai
2025-09-25 8:15 ` [PATCH 07/10] blk-cgroup: convert to protect blkgs with blkcg_mutex Yu Kuai
2025-09-25 8:15 ` [PATCH 08/10] blk-cgroup: remove radix_tree_preload() Yu Kuai
2025-10-03 7:37 ` Christoph Hellwig [this message]
2025-10-06 1:55 ` Yu Kuai
2025-10-06 6:48 ` Christoph Hellwig
2025-09-25 8:15 ` [PATCH 09/10] blk-cgroup: remove preallocate blkg for blkg_create() Yu Kuai
2025-09-25 8:15 ` [PATCH 10/10] blk-throttle: fix possible deadlock due to queue_lock in timer Yu Kuai
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