On Sun, Nov 13, 2022 at 05:28:57PM +0100, Christoph Hellwig wrote: > ->writepage is a very inefficient method to write back data, and only > used through write_cache_pages or a a fallback when no ->migrate_folio > method is present. > > Set ->migrate_folio to the generic buffer_head based helper, and stop > wiring up ->writepage for hfs_aops. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Was there a reason you only did this for hfs_aops and not for hfs_btree_aops? It feels like anything that just calls block_write_full_page() in the writepage handler should be converted to just calling mpage_writepages() in the writepages handler. I have a few of those conversions done, but obviously they're in filesystems that are basically untestable.
