On Thu, May 24, 2018 at 08:25:55PM +0200, Andreas Gruenbacher wrote: > Didn't get very far with your bh removal patches so far. I think we could probably lift the whole XFS writeback code to iomap.c once it stabilizes a little. It just needs to use struct iomap instead of the xfs-specific xfs_bmbt_irec, and the file system would have to provide the map_blocks and end_io hooks.