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Date: Mon, 19 Nov 2018 16:39:22 +0800 From: Ming Lei <ming.lei@...hat.com> To: Christoph Hellwig <hch@....de> Cc: Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Dave Chinner <dchinner@...hat.com>, Kent Overstreet <kent.overstreet@...il.com>, Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com, Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org, Shaohua Li <shli@...nel.org>, linux-raid@...r.kernel.org, linux-erofs@...ts.ozlabs.org, David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org, "Darrick J . Wong" <darrick.wong@...cle.com>, linux-xfs@...r.kernel.org, Gao Xiang <gaoxiang25@...wei.com>, Theodore Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org, Coly Li <colyli@...e.de>, linux-bcache@...r.kernel.org, Boaz Harrosh <ooo@...ctrozaur.com>, Bob Peterson <rpeterso@...hat.com>, cluster-devel@...hat.com Subject: Re: [PATCH V10 13/19] iomap & xfs: only account for new added page On Fri, Nov 16, 2018 at 02:49:36PM +0100, Christoph Hellwig wrote: > I'd much rather have __bio_try_merge_page only do merges in > the same page, and have a new __bio_try_merge_segment that does > multi-page merges. This will keep the accounting a lot simpler. Looks this way is clever, will do it in next version. Thanks, Ming
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