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From: Shakeel Butt To: Joanne Koong Cc: miklos@szeredi.hu, linux-fsdevel@vger.kernel.org, jefflexu@linux.alibaba.com, josef@toxicpanda.com, linux-mm@kvack.org, bernd.schubert@fastmail.fm, kernel-team@meta.com Subject: Re: [PATCH v5 1/5] mm: add AS_WRITEBACK_INDETERMINATE mapping flag Message-ID: <2h6gh5p5kbwp2ca3c6shfo62hfcfdjo2f4ixibg3slihnulovj@qs3f7mbq7325> References: <20241115224459.427610-1-joannelkoong@gmail.com> <20241115224459.427610-2-joannelkoong@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241115224459.427610-2-joannelkoong@gmail.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam10 X-Stat-Signature: utrwfosfk4fnhjr4yh97bt8mjw1w5wkj X-Rspamd-Queue-Id: 2FD56A0005 X-Rspam-User: X-HE-Tag: 1731712246-731993 X-HE-Meta: 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 jebj1BSR VJFkK6z0v0vTRFajWzY3+D6t4f9VyKyji4NAIKZ0/fjlB09+0btI3OCj4KfwJk1j6zdFuY+i5RXu7hQaa7Th8OAIOroFKsImWvh++XHxU2lAlf44iL3qDOATzQKcVfzBn1cqQDioAS8eRp4IRWCbXdFu96shIePEipVp0k/42V66pWTMKvjlg6y8Pj0Fy2no8/r4eYdKdMJIAjTXWBFfjkibXoA== 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 Fri, Nov 15, 2024 at 02:44:55PM -0800, Joanne Koong wrote: > Add a new mapping flag AS_WRITEBACK_INDETERMINATE which filesystems may > set to indicate that writing back to disk may take an indeterminate > amount of time to complete. Extra caution should be taken when waiting > on writeback for folios belonging to mappings where this flag is set. > > Signed-off-by: Joanne Koong Indeterminate is definitely different, ok with me. Reviewed-by: Shakeel Butt