From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=74.125.82.54 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793068958; b=eScFA5Zu76VljYeZK9YzDWPjopdlZWCUlBCiPVeOzMMsAm84VlDrumDVjKWJYN+MljCv zQ/N8hJ6b5cKylGhMqcZ7lRmtwrjjOza8R53fQG882BKDLg7bchwrgBY4ccRx6ZeUlUTS gCibAcH9Nya6Ynze9qqN6YGHdr0Paqo6SnQMqK0TZ1fDKt38+nB4/aI4IoRF0jiAWmC1e 6mHaUt+zLh/FlSqIPVwSYMfQ1tNxJHBFRKdTcxQqUL/+dW+uFYccd74HlOS/WozSeb2G6 xuzqI9IpG9NG95nI6gEEXocLrXSj07YJc/CAdFqIrnSxHt515kdt5hpT3xw0GYSGzeA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793068958; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Message-ID:Date:MIME-Version:User-Agent:Subject:To:Cc:References: Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=/+f5haOvY7V5aJLRvqMe+OKgyMJap2D1kg9AHRnXBFo=; b=Ra4z3DFCffTFxvqAP8iB8KzXWL/+nLjtbbt2PgDUTNlWivFFuvelwEJNqaIOQ916RlR9 KqstK+aGSIOSiR2h5C8k0p0OFKFM8hTcXLjzb6xFNOWJ8BFWpAhAtlKW0iY7peUlU04BP MqnYgJZx766f4gaR37EXMxGPAy+KFXeRzzPxRqyjzXadMzCFW3DKq15al+/fC0pIAIBsG YOIWeeAvfFDHJpaZk7Riir+/8B9fMDHB00PxixA+5gSOP9Wt92cXEpkjLB47rhaDLlxGo 9M0jD+5D59nXRuby2sdp1odDB7Cfa/8F87mHXaOBSpAaHTv51TbviKXWNBzd/UXDcEQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass header.d=kernel-dk.20251104.gappssmtp.com header.i=@kernel-dk.20251104.gappssmtp.com header.a=rsa-sha256 header.s=20251104 header.b=nAMLJ4po; arc=none smtp.remote-ip=74.125.82.54 Received: from mail-dl1-f54.google.com (mail-dl1-f54.google.com [74.125.82.54]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FE5D606A31E for ; Tue, 27 Oct 2026 02:42:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5FE5D606A31E Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel-dk.20251104.gappssmtp.com header.i=@kernel-dk.20251104.gappssmtp.com header.a=rsa-sha256 header.s=20251104 header.b=nAMLJ4po Received: by mail-dl1-f54.google.com with SMTP id a92af1059eb24-14fc585291cso1850450c88.1 for ; Mon, 26 Oct 2026 19:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20251104.gappssmtp.com; s=20251104; t=1793068957; x=1793673757; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=/+f5haOvY7V5aJLRvqMe+OKgyMJap2D1kg9AHRnXBFo=; b=nAMLJ4pov/UKnTCLgH305UyFiee1Kbb1n3tCzOl712VaepOkFQaBHOfe8TqG3p1lZU FcmqVqrrqUreTloBdzXh9C3S8RzvKdqK0Wdm3ymTtA2e7F8hg+g3tAXi0qMz5tjjKhfg XZsmI+gaR0xwl7nmIQiVOSWVXQuFdQ0nDSV/JTrdP8vh+zCmGEp4ByKhGzO7Q9EFAqG7 Z9UxSRbzl1SyjYddPBfqeotnjUxiWUf5QMQHMI+2cHXwFS8e7Vcd6faApvoLAEI8hyVq H9p+0vB8HKXlTDO8gBcIdyEeUOqojMCpKudjjewsxrlbiMp0bSMq+X14CJGfZa/XuOHM djkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793068957; x=1793673757; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=/+f5haOvY7V5aJLRvqMe+OKgyMJap2D1kg9AHRnXBFo=; b=pw2+2iSrZJgVAnN6J4ii9PV5fFIZFqPQFM6ahVMZlqGVYeT6/pxgTfSr536R2bJBJs Vnn3dqNDBQZQ2l7WNmCrpysbOOF6tHG/ZGDv7TcFJ7ci5EMn0zF0wCVY3+iau4ZCHTqv nmAffwxV4GFqEbUoY9eY3RVKQoEm4E/iOIIdxqvjKj2AGG2WCcHtdt3SBDBTer9hdNQE C215DAXf4/TU2p+89TJfrj3XVzFQ7fRATqMkLlqHTjo40vTj0MBWCJUzj7HcV4aJm6Is DBEMw2g0/u6v2dsVS+Y4PmiAk9LYtBKeoutWBk30RrFg5ZZhgd/im6MJGYmNJ5nYL/h9 T0Qw== X-Forwarded-Encrypted: i=1; AKwUvByxql5/u/hp88MwFYsQW2t6Cvc1ZLSgMO/6togh2YrqvGj3TSVZCYK3fOoSgeJOgiQYGlPmgvT0F0DWwg==@vger.kernel.org X-Gm-Message-State: AFq9FYI3C7TjkcSYJPnpnPthJ6bWkznA88kg2a5fxwVzQIpVmhLB4PNI fhZW7bRFzEezgwgJLihquwzxIuAu4MxXB9ABmxuqGqajQWhkczwgQyxmAEs8Lz8P+CM= X-Gm-Gg: AYBFou3wSxmM7H49FNhAPvg9ooH5ImzAtFN8oyFoJX6JCNYeNnVSc+DGR7f73g7DnzW EiY23Vve9Q0kGOZk4s0Lgx0+7EKYV+izzD2cCYTc3SlVG/HaI0FbpXtUMn3dzWxMblb6NIsnt4T DCYR9OiotttBuDQVegXTEZGR3DN1B4gL94Do0EBb02FtlWoKVmNG+EBTXcQMVPX3B78uhau3cuU wygSZLULOuqkDlWC/frZ+XvSsnmrCK/kw7ufmgBzZwfhmkPHditxyu1RXiWzPNUwsxQFAqk0opc DIGDPEualy4C67E+FrCaIYtdoAaAaz6pQt7sS4jmW7lWnSY/cs7WWGWZsDPvu14xvHHhVfFH8r4 TvWP6NdxZP7rOfW4QkIX4oULVT76+pTxwrysvCljcy/T6m+t2SDCO4lJ1+0YlpUzFRMcNqXyo54 0dnjOHWXzY7EK7TrMfe/QSV1NJRFaWEqCeT8Sh//QnYSIOhQLPtqMj6n/xFvkX0o/rDHJgYDk4Q XXzD2BGZ2eFzD7HACXt7ucekPuJj0+AAEkzc2Db6yvtZum+ke7kPqGlpedxUi8xqZauMLkIhjIO 1O4tbw+C/Ldo+oB7xTPFzPFBp9vP/eIB2ZpsQPw= X-Received: by 2002:a05:701a:ca07:b0:144:fd7c:84fe with SMTP id a92af1059eb24-19937307669mr13761314c88.35.1793068957501; Mon, 26 Oct 2026 19:42:37 -0700 (PDT) Received: from [192.168.1.106] ([198.8.77.135]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-198a249c331sm59514670c88.17.2026.10.26.19.42.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 19:42:36 -0700 (PDT) Message-ID: <30b1cf28-61e6-4f28-8e28-79815bd87617@kernel.dk> Date: Mon, 26 Oct 2026 20:42:35 -0600 X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 02/10] btrfs: Don't copy encoded read data to user memory when canceled To: James Houghton , Andrew Morton , Alexander Viro Cc: Thomas Gleixner , Peter Zijlstra , Kees Cook , Arnd Bergmann , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Sean Christopherson , Paolo Bonzini , Jim Mattson , Pavel Begunkov , "James E.J. Bottomley" , "Martin K. Petersen" , David Sterba , Chris Mason , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Josh Poimboeuf , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, kvm@vger.kernel.org, io-uring@vger.kernel.org, linux-scsi@vger.kernel.org, linux-btrfs@vger.kernel.org, bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261026215226.3713941-1-jthoughton@google.com> <20261026215226.3713941-3-jthoughton@google.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <20261026215226.3713941-3-jthoughton@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Reviewed-by: Jens Axboe -- Jens Axboe