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([2a01:e0a:f0e:9070:527b:9dff:feef:3874]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49cdce08b8esm65734725e9.3.2026.09.01.07.53.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Sep 2026 07:53:42 -0700 (PDT) Message-ID: <4bd634b0-c8a7-467c-9c08-40e7ab37eedf@redhat.com> Date: Tue, 1 Sep 2026 16:53:41 +0200 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2] block: save page offset gaps in cloned bio Content-Language: en-US To: Jens Axboe , linux-block@vger.kernel.org, Keith Busch Cc: hch@lst.de, Keith Busch , Eric Auger References: <20260819154937.3903312-1-kbusch@meta.com> <178827386087.2511601.16223997201252856898.b4-ty@b4> From: Eric Auger In-Reply-To: <178827386087.2511601.16223997201252856898.b4-ty@b4> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 9/1/26 4:44 PM, Jens Axboe wrote: > > On Wed, 19 Aug 2026 08:49:37 -0700, Keith Busch wrote: >> The cloned bio needs to inherit the accumulated gaps between vectors so >> that we can know if this bio can subscribe to the iova coalescing >> optimization. >> >> When cloning for a split, the gap only applies to the front bio since >> that's as far as has been processed. The remaining bio can reset its >> gaps to 0 since it advanced past the checked vectors, and will start its >> accounting from there on the next split check. >> >> [...] > > Applied, thanks! > > [1/1] block: save page offset gaps in cloned bio > commit: 96c8ea3c5add7920b3c43840d1ea76b3354c8d2d Thanks! Eric > > Best regards,