From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com [209.85.167.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 956AC168C2 for ; Sat, 13 Jan 2024 08:05:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="R75erNed" Received: by mail-lf1-f48.google.com with SMTP id 2adb3069b0e04-50e6c0c0c6bso1569971e87.0 for ; Sat, 13 Jan 2024 00:05:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705133155; x=1705737955; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=95K4ldKBwILzAWZyxH+yZh9alql3/vSCChYVb0/EMik=; b=R75erNedv1HHkUi2NL2+5M+mbm1nCuuQCQLm4ZpeT0LXRJevLLTv8ZkqQ63A6RZ2wD /msOnwHH0Nhe8M7EOA/t25ZC/SgDdlH+5Pvh4kR5RQQCags6wlii/EPbSGNYX4+oswpy /cKKNW6Tt0Uxk/FbXcSYHN7I9X31MhTd3bPWGwkzbqSpeHU4/ou2y03ojCd2QgH5Y30j 1BB47Q5CudUCPl5lSDc3nZ8SbjZvQMindXga7qDT1NJOFyAltLdlUrcqDvcciIZzHXOx KoQAI673L1/yfOv3a2ZOJBj+0GfRBLqt0IRw4OLlJ/KG2L1Sb0q5eSFsDDwEsSCxW7H9 q4Yw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705133155; x=1705737955; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=95K4ldKBwILzAWZyxH+yZh9alql3/vSCChYVb0/EMik=; b=Qz7DD/tGWtAGbiShc7lVuHArgAd4Ajbqfc4ENefYpcKSO0go6CV09YR1OsZgU7ntDt iJsAYMDvSimSCIb95MAOMCOG0S1JFUAyDHpwaxEysMqsq13CrarMKNNYv/GiHKw9mpao aTCkUvgGIbHJiATildj1Orbw8SLwb0UdqcEYFwkKIRApvgS/v7uhHSiMixGRdODgHi/a 4aXt4NfJxHEZ/QUO7jK3OZnZ8hMKBm5Fw0qivQC1uTBB07EFSnuzeeNmI1Sv7w25Pvhz Vbdd305SkEkZQzq7haV8up7I/0D0D1DwudQXdWeMM8QVtwYrjq+SmTPuugXV4QOCVme5 Y7kA== X-Gm-Message-State: AOJu0Yyl8EFqv9Puj3L0OiZy2NeXqMcMntphMSTiZ/IqHkLZ/OE914E6 tomilw16p0RpYvKPAOSy2Cwi754lWfQ= X-Google-Smtp-Source: AGHT+IHDpl5ftTq7LyMv/MEYAxqXo0a0dVPHnPQhv0Zb2edHUN8KpBVHurIekOXk5zAnlq06+BKtlA== X-Received: by 2002:a2e:5c86:0:b0:2cd:3731:9c24 with SMTP id q128-20020a2e5c86000000b002cd37319c24mr2237290ljb.1.1705133155287; Sat, 13 Jan 2024 00:05:55 -0800 (PST) Received: from ?IPV6:2a00:1370:8180:225c:1a3d:4c49:4f1b:95bc? ([2a00:1370:8180:225c:1a3d:4c49:4f1b:95bc]) by smtp.gmail.com with ESMTPSA id x21-20020a05651c069500b002cd37ceea4bsm735317ljb.46.2024.01.13.00.05.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 13 Jan 2024 00:05:54 -0800 (PST) Message-ID: <15751051-dc90-498f-82bb-773d639a3b24@gmail.com> Date: Sat, 13 Jan 2024 11:05:52 +0300 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] btrfs: defrag: add under utilized extent to defrag target list Content-Language: en-US, ru-RU To: Qu Wenruo , dsterba@suse.cz, Qu Wenruo Cc: linux-btrfs@vger.kernel.org, Christoph Anton Mitterer References: <2c2fac36b67c97c9955eb24a97c6f3c09d21c7ff.1704440000.git.wqu@suse.com> <20240110170941.GA31555@twin.jikos.cz> <20240112155806.GS31555@twin.jikos.cz> <7bef3393-a1b4-4a18-98cb-508cfb1ca6ee@gmx.com> From: Andrei Borzenkov In-Reply-To: <7bef3393-a1b4-4a18-98cb-508cfb1ca6ee@gmx.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 13.01.2024 06:17, Qu Wenruo wrote: > > What we really want to do is, just add extra filters to allow end users > to re-dirty the last file extent. > It is possible to punch holes in the middle of the file, so partial extents can happen anywhere.