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[49.180.91.142]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-33b62631266sm16839994a91.3.2025.10.14.13.45.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 13:45:53 -0700 (PDT) Received: from dave by dread.disaster.area with local (Exim 4.98.2) (envelope-from ) id 1v8lu3-0000000Es6g-0Y5G; Wed, 15 Oct 2025 07:45:51 +1100 Date: Wed, 15 Oct 2025 07:45:51 +1100 From: Dave Chinner To: Jan Kara Cc: Christoph Hellwig , Damien Le Moal , "Matthew Wilcox (Oracle)" , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Chris Mason , David Sterba , Mark Fasheh , Joel Becker , Joseph Qi , Alexander Viro , Christian Brauner , Josef Bacik , linux-block@vger.kernel.org, v9fs@lists.linux.dev, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, jfs-discussion@lists.sourceforge.net, ocfs2-devel@lists.linux.dev, linux-xfs@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 06/10] mm,btrfs: add a filemap_fdatawrite_kick_nr helper Message-ID: References: <20251013025808.4111128-1-hch@lst.de> <20251013025808.4111128-7-hch@lst.de> <74593bac-929b-4496-80e0-43d0f54d6b4c@kernel.org> <4bcpiwrhbrraau7nlp6mxbffprtnlv3piqyn7xkm7j2txxqlmn@3knyilc526ts> <20251014044723.GA30978@lst.de> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Oct 14, 2025 at 11:33:26AM +0200, Jan Kara wrote: > On Tue 14-10-25 06:47:23, Christoph Hellwig wrote: > > On Mon, Oct 13, 2025 at 01:58:15PM +0200, Jan Kara wrote: > > > I don't love filemap_fdatawrite_kick_nr() either. Your > > > filemap_fdatawrite_nrpages() is better but so far we had the distinction > > > that filemap_fdatawrite* is for data integrity writeback and filemap_flush > > > is for memory cleaning writeback. And in some places this is important > > > distinction which I'd like to keep obvious in the naming. So I'd prefer > > > something like filemap_flush_nrpages() (to stay consistent with previous > > > naming) or if Christoph doesn't like flush (as that's kind of overloaded > > > word) we could have filemap_writeback_nrpages(). > > > > Not a big fan of flush, but the important point in this series is > > to have consistent naming. > > I fully agree on that. *nod* > > If we don't like the kick naming we should standardize on _flush (or > > whatever) and have the _range and _nrpages variants of whatever we pick > > for the base name. > > > > Anyone with strong feelings and or good ideas about naming please speak > > up now. > > I agree with either keeping filemap_flush* or using filemap_writeback* (and > renaming filemap_flush to filemap_writeback). I'd prefer filemap_flush* because most people are already familiar with that naming and the expected semnatics. But I could live with filemap_writebacki*, too. Both are better than "kick", IMO. -Dave. -- Dave Chinner david@fromorbit.com