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Wed, 16 Oct 2024 03:00:15 -0700 (PDT) MIME-Version: 1.0 References: <20241014182228.1941246-1-joannelkoong@gmail.com> <20241014182228.1941246-3-joannelkoong@gmail.com> <02544610-05e4-49b3-a477-3ee35c0701ed@linux.alibaba.com> In-Reply-To: <02544610-05e4-49b3-a477-3ee35c0701ed@linux.alibaba.com> From: Miklos Szeredi Date: Wed, 16 Oct 2024 12:00:04 +0200 Message-ID: Subject: Re: [PATCH v2 2/2] fuse: remove tmp folio for writebacks and internal rb tree To: Jingbo Xu Cc: Joanne Koong , linux-fsdevel@vger.kernel.org, josef@toxicpanda.com, bernd.schubert@fastmail.fm, hannes@cmpxchg.org, shakeel.butt@linux.dev, linux-mm@kvack.org, kernel-team@meta.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: ED27110001D X-Stat-Signature: kqe9a8mixzre5mh95jqmhdae34aj1so8 X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1729072800-316785 X-HE-Meta: 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 ccnHQpM4 jp8ksrqmBh5Tzi7s2+sF7dhmDVx3tBMOS046vHrvKd0OKn8cFFTu9sAGEHnL0HrKrVSfM/ddKR9hxB6EfIKoxsgzIvt4E68/Due527YVqw+0qNzd27VFxXlmRCofecO/gA8M1mwp7N14fQJH5c+3u7hqifldiTx9aBra4UKM7IRqx+osn3HnmYeXZvKWhmk48cUpX076fef2pIspPgvEdSXJ3HfFehuL2qvqH X-Bogosity: Ham, tests=bogofilter, spamicity=0.144729, 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 Wed, 16 Oct 2024 at 11:56, Jingbo Xu wrote: > FYI The posix sync(2) says, "The writing, although scheduled, is not > necessarily complete upon return from sync()." [1] > > Thus hopefully it won't break the posix semantics of sync(2) down if we > skip the waiting on the writeback of fuse pages. Since this has been the case for fuse since day one and no one complained, this is not a worry. Thanks, Miklos