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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 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 X-Rspam-User: X-Rspamd-Queue-Id: BB2A7C0006 X-Rspamd-Server: rspam02 X-Stat-Signature: woxi7si7e8usa1ynb9w8my1qs843aapq X-HE-Tag: 1760512246-862481 X-HE-Meta: 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 BOGg8KrQ soDJ0CXbDbvECep7PPhHkyziT25jb4CT9q0gFaHCxmex+2p6HreKmOkXS+lVvPHGEORVeydzZymRjf+FbQMQFPPjfngDad4RqKrg0RTM8b9NX1tqDo5uwZB/3H3SnMFyx9WhhOr6lVT6SpXIt4tvrDza/m9SssXcVJ8kZ1QEBZVP+NsEN0ZyWuZMB1Vba2WxJ0OLtXM98iSgzajC6X1h77b7OUqWaifyQ6FAs1GvP6nU40IIoSb/gge553wOjDI0ANdNFLRRMl0eKUvF8WlmpkZmM6yNDapxl+iZqrDZyi4DwfiTYaIoOOgHReUbLRqJZymgZlOLHbiWiqPgj1/CocUSqHcbO9bAyJY3WPHAinzdl2bQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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