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Mon, 24 Feb 2025 06:35:41 -0800 (PST) Received: from [127.0.0.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3d2b2fb94d7sm27876985ab.36.2025.02.24.06.35.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Feb 2025 06:35:41 -0800 (PST) From: Jens Axboe To: io-uring@vger.kernel.org, David Wei Cc: Pavel Begunkov , lizetao In-Reply-To: <20250224041319.2389785-1-dw@davidwei.uk> References: <20250224041319.2389785-1-dw@davidwei.uk> Subject: Re: [PATCH v3 0/2] io_uring/zcrx: recvzc read limit Message-Id: <174040774071.1976134.14229369640864774353.b4-ty@kernel.dk> Date: Mon, 24 Feb 2025 07:35:40 -0700 Precedence: bulk X-Mailing-List: io-uring@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-94c79 On Sun, 23 Feb 2025 20:13:17 -0800, David Wei wrote: > Currently multishot recvzc requests have no read limit and will remain > active so as long as the socket remains open. But, there are sometimes a > need to do a fixed length read e.g. peeking at some data in the socket. > > Add a length limit to recvzc requests `len`. A value of 0 means no limit > which is the previous behaviour. A positive value N specifies how many > bytes to read from the socket. > > [...] Applied, thanks! [1/2] io_uring/zcrx: add a read limit to recvzc requests commit: 9a53ea6aa5c87fe4c49297158e7982dbe4f96227 [2/2] io_uring/zcrx: add selftest case for recvzc with read limit commit: f4b4948fb824a9fbaff906d96f6d575305842efc Best regards, -- Jens Axboe