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Tue, 10 Feb 2026 04:26:30 -0800 (PST) Received: from [127.0.0.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7d46470dab9sm10115924a34.10.2026.02.10.04.26.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Feb 2026 04:26:29 -0800 (PST) From: Jens Axboe To: io-uring@vger.kernel.org, Pavel Begunkov In-Reply-To: References: Subject: Re: [PATCH] io_uring/rsrc: replace reg buffer bit field with flags Message-Id: <177072638918.481609.10158846912245144904.b4-ty@kernel.dk> Date: Tue, 10 Feb 2026 05:26:29 -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 On Mon, 09 Feb 2026 14:31:22 +0000, Pavel Begunkov wrote: > I'll need a flag in the registered buffer struct for dmabuf work, and > it'll be more convenient to have a flags field rather than bit fields, > especially for io_mapped_ubuf initialisation. > > We might want to add more flags in the future as well. For example, it > might be useful for debugging and potentially optimisations to split out > a flag indicating the shape of the buffer to gate iov_iter_advance() > walks vs bit/mask arithmetics. It can also be combined with the > direction mask field. > > [...] Applied, thanks! [1/1] io_uring/rsrc: replace reg buffer bit field with flags commit: 0efc331d78b043b9d8477c64e279058062d36a0b Best regards, -- Jens Axboe