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Mon, 24 Feb 2025 11:56:48 -0800 (PST) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id ca18e2360f4ac-856209f893csm3551539f.2.2025.02.24.11.56.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Feb 2025 11:56:48 -0800 (PST) Message-ID: <17c27735-a613-4bd5-89df-645ae7ed83a2@kernel.dk> Date: Mon, 24 Feb 2025 12:56:47 -0700 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/2] io_uring/zcrx: recvzc read limit From: Jens Axboe To: io-uring@vger.kernel.org, David Wei Cc: Pavel Begunkov , lizetao References: <20250224041319.2389785-1-dw@davidwei.uk> <174040774071.1976134.14229369640864774353.b4-ty@kernel.dk> Content-Language: en-US In-Reply-To: <174040774071.1976134.14229369640864774353.b4-ty@kernel.dk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2/24/25 7:35 AM, Jens Axboe wrote: > > 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 Fixed up 1/2 for !CONFIG_NET, fwiw. -- Jens Axboe