From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F1FE28BA81; Wed, 15 Oct 2025 07:10:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760512246; cv=none; b=bljxpH3gwTEBf4ZyGAz7196mrtA+tLpEG0s5xBaJ0Sxl5qz7CI2hTJ+doQDneBhvOsRzCsvlmG+x7JNx0KCZ39em3FpoFnqI+5OcRoHh84UMI196ERLlK/6v9Fl6hixvoes7tAmZZOB7vb1V+G0NtNDUiU1To+cdYCibdpvHof4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760512246; c=relaxed/simple; bh=F6XEA9b/WIuMYIbxBjEHDXJdabmhas9e25A+k7+TJMQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mYJAxng+eIH0K9bH0g2XrlBumJSgWHBOa9o97DTkplP7Qb3SIxmhWDjii+zdoF2tCkXYQD4Fp1RSuLmiKYg/vSDnzylfBniPVMnc1BGnLfZExXqCEc1O4e1W25x5UCIT/KAsJlJz89fgDQDFIzi7QeI+a+mun4Lw3Cnuwdwy3J4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OZx30LAw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OZx30LAw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1DEBC4CEF8; Wed, 15 Oct 2025 07:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760512245; bh=F6XEA9b/WIuMYIbxBjEHDXJdabmhas9e25A+k7+TJMQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=OZx30LAwyJMjpxckQ/FquHzM1LwSmGYscCGhcbdgfRJIOJ3hCFaAW2ElMNehp713c /X2oaS29okThe+nrgPPoHulukEOKJA98YYZ2mCyQwU5mZz4AUJ7pokRGMaPKYSMce3 PuVhzcN8KnEtTWhoCtJoaCQbcpfOdGGcbllVuMiLZFtMRG2cF30wgWprtT5JUesZ80 DtNT+UKcoIhY4TV/qF7n5AfBG+bzHDEk3zR8fjAtKlU59NCMpPvSLQTQ7v3UZQ+u22 nwYcF/HsfZESoglixG0NXAK57mEA3uLNbZba7TLyyUdYrWPYS9Uv0Qd8vOYeuyI9qE MBnlMKKDEJsKA== Message-ID: Date: Wed, 15 Oct 2025 16:10:43 +0900 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] xfs: set s_min_writeback_pages for zoned file systems To: Christoph Hellwig , Christian Brauner , Jan Kara , Carlos Maiolino Cc: Andrew Morton , willy@infradead.org, hans.holmberg@wdc.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org References: <20251015062728.60104-1-hch@lst.de> <20251015062728.60104-4-hch@lst.de> From: Damien Le Moal Content-Language: en-US Organization: Western Digital Research In-Reply-To: <20251015062728.60104-4-hch@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2025/10/15 15:27, Christoph Hellwig wrote: > Set s_min_writeback_pages to the zone size, so that writeback always > writes up to a full zone. This ensures that writeback does not add > spurious file fragmentation when writing back a large number of > files that are larger than the zone size. > > Fixes: 4e4d52075577 ("xfs: add the zoned space allocator") > Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research