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Thu, 26 Jun 2025 06:35:36 -0700 (PDT) From: Jens Axboe To: hare@suse.de, hch@infradead.org, john.g.garry@oracle.com, Yu Kuai Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@redhat.com, calvin@wbinvd.org, david@fromorbit.com, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com In-Reply-To: <20250626115743.1641443-1-yukuai3@huawei.com> References: <20250626115743.1641443-1-yukuai3@huawei.com> Subject: Re: [PATCH v2] block: fix false warning in bdev_count_inflight_rw() Message-Id: <175094493620.208798.522979576401700817.b4-ty@kernel.dk> Date: Thu, 26 Jun 2025 07:35:36 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3-dev-d7477 On Thu, 26 Jun 2025 19:57:43 +0800, Yu Kuai wrote: > While bdev_count_inflight is interating all cpus, if some IOs are issued > from traversed cpu and then completed from the cpu that is not traversed > yet: > > cpu0 > cpu1 > bdev_count_inflight > //for_each_possible_cpu > // cpu0 is 0 > infliht += 0 > // issue a io > blk_account_io_start > // cpu0 inflight ++ > > [...] Applied, thanks! [1/1] block: fix false warning in bdev_count_inflight_rw() commit: c007062188d8e402c294117db53a24b2bed2b83f Best regards, -- Jens Axboe