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Date: Mon, 13 Jul 2020 09:46:31 +0200 From: Christoph Hellwig <hch@....de> To: Dave Chinner <david@...morbit.com>, Goldwyn Rodrigues <rgoldwyn@...e.de> Cc: Damien Le Moal <damien.lemoal@....com>, Naohiro Aota <naohiro.aota@....com>, Johannes Thumshirn <jth@...nel.org>, Matthew Wilcox <willy@...radead.org>, linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, cluster-devel@...hat.com, linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org Subject: RFC: iomap write invalidation Hi all, this series has two parts: the first one picks up Dave's patch to avoid invalidation entierly for reads, picked up deep down from the btrfs iomap thread. The second one falls back to buffered writes if invalidation fails instead of leaving a stale cache around. Let me know what you think about this approch.
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