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([2620:10d:c092:600::1:f7d5]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5f36ee5500dsm9906082a12.4.2025.04.17.07.00.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Apr 2025 07:00:55 -0700 (PDT) Message-ID: <167282a3-7b78-4692-8e8e-261a964b3556@gmail.com> Date: Thu, 17 Apr 2025 15:02:11 +0100 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 4/4] io_uring/rsrc: send exact nr_segs for fixed buffer To: Jens Axboe , Nitesh Shetty Cc: io-uring@vger.kernel.org References: <7a1a49a8d053bd617c244291d63dbfbc07afde36.1744882081.git.asml.silence@gmail.com> <20250417102307.y2f6ac2cfw5uxfpk@ubuntu> <20250417115016.d7kw4gch7mig6bje@ubuntu> <603628d3-78ec-47a3-804a-ee6dc93639fd@kernel.dk> Content-Language: en-US From: Pavel Begunkov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/17/25 14:57, Jens Axboe wrote: > On 4/17/25 7:41 AM, Jens Axboe wrote: >> I'll turn the test case into something we can add to liburing, and fold >> in that change. > > Here's what I tested, fwiw, and it reliably blows up pre the fixup. I'll > turn it into a normal test case, and then folks can add more invariants > to this one if they wish. Awesome, thanks! -- Pavel Begunkov