The patch titled Subject: hfs: remove ->writepage has been added to the -mm mm-unstable branch. Its filename is hfs-remove-writepage.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hfs-remove-writepage.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Christoph Hellwig <hch@xxxxxx> Subject: hfs: remove ->writepage Date: Fri, 2 Dec 2022 11:26:40 +0100 ->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. Link: https://lkml.kernel.org/r/20221202102644.770505-4-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/hfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/hfs/inode.c~hfs-remove-writepage +++ a/fs/hfs/inode.c @@ -173,12 +173,12 @@ const struct address_space_operations hf .dirty_folio = block_dirty_folio, .invalidate_folio = block_invalidate_folio, .read_folio = hfs_read_folio, - .writepage = hfs_writepage, .write_begin = hfs_write_begin, .write_end = generic_write_end, .bmap = hfs_bmap, .direct_IO = hfs_direct_IO, .writepages = hfs_writepages, + .migrate_folio = buffer_migrate_folio, }; /* _ Patches currently in -mm which might be from hch@xxxxxx are extfat-remove-writepage.patch fat-remove-writepage.patch hfs-remove-writepage.patch hfsplus-remove-writepage.patch hpfs-remove-writepage.patch jfs-remove-writepage.patch omfs-remove-writepage.patch