From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, John Garry <john.garry@huawei.com>,
Bart Van Assche <bvanassche@acm.org>,
Hannes Reinecke <hare@suse.com>, Christoph Hellwig <hch@lst.de>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/6] blk-mq: improvement CPU hotplug(simplified version)
Date: Sat, 16 May 2020 14:35:55 +0200 [thread overview]
Message-ID: <20200516123555.GA13448@lst.de> (raw)
In-Reply-To: <20200515014153.2403464-1-ming.lei@redhat.com>
I took at stab at the series this morning, and fixed the fabrics
crash (blk_mq_alloc_request_hctx passed the cpumask of a NULL hctx),
and pre-loaded a bunch of cļeanups to let your changes fit in better.
Let me know what you think, the git branch is here:
git://git.infradead.org/users/hch/block.git blk-mq-hotplug
Gitweb:
http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/blk-mq-hotplug
next prev parent reply other threads:[~2020-05-16 12:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 1:41 [PATCH 0/6] blk-mq: improvement CPU hotplug(simplified version) Ming Lei
2020-05-15 1:41 ` [PATCH 1/6] blk-mq: allocate request on cpu in hctx->cpumask for blk_mq_alloc_request_hctx Ming Lei
2020-05-15 15:32 ` Christoph Hellwig
2020-05-15 1:41 ` [PATCH 2/6] blk-mq: set data->ctx and data->hctx explicitly in blk_mq_get_request Ming Lei
2020-05-15 1:41 ` [PATCH 3/6] blk-mq: add blk_mq_all_tag_iter Ming Lei
2020-05-15 1:41 ` [PATCH 4/6] blk-mq: prepare for draining IO when hctx's all CPUs are offline Ming Lei
2020-05-15 1:41 ` [PATCH 5/6] blk-mq: disable preempt during allocating request tag Ming Lei
2020-05-15 15:38 ` Christoph Hellwig
2020-05-15 16:10 ` Christoph Hellwig
2020-05-15 1:41 ` [PATCH 6/6] blk-mq: stop to allocate new requst and drain request before hctx becomes inactive Ming Lei
2020-05-15 3:55 ` Bart Van Assche
2020-05-15 5:20 ` Ming Lei
2020-05-15 15:45 ` [PATCH 0/6] blk-mq: improvement CPU hotplug(simplified version) Christoph Hellwig
2020-05-16 12:35 ` Christoph Hellwig [this message]
2020-05-17 4:08 ` Ming Lei
2020-05-17 7:08 ` Christoph Hellwig
2020-05-18 4:07 ` Ming Lei
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