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Sat, 04 Apr 2026 18:02:40 -0700 (PDT) Received: from [127.0.0.1] ([142.91.102.47]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c76c6477bbcsm8552260a12.3.2026.04.04.18.02.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 04 Apr 2026 18:02:40 -0700 (PDT) Date: Sun, 5 Apr 2026 09:02:30 +0800 From: zhang To: ming.lei@redhat.com Cc: axboe@kernel.dk, csander@purestorage.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, shuah@kernel.org, ushankar@purestorage.com Message-ID: <46c04059-03a0-4488-a4a5-4bb93aa46a1e@gmail.com> In-Reply-To: Subject: Re: [PATCH 1/2] ublk: reset per-IO canceled flag on each fetch 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-Correlation-ID: <46c04059-03a0-4488-a4a5-4bb93aa46a1e@gmail.com> Dear Ming Lei: I just looked at your solution, which is to reset immediately after each IO is claimed. This solution can indeed effectively solve the blocking problem. However, if there is a task that is repeated and exactly the same, then the process may run repeatedly many times. Do you think we should add some logic to handle repeated tasks? Reviewed-by: zhang, the-essence-of-life. -- the-essence-of-life