[merged mm-stable] hfs-remove-writepage.patch removed from -mm tree

[merged mm-stable] hfs-remove-writepage.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: hfs: remove ->writepage
has been removed from the -mm tree.  Its filename was
     hfs-remove-writepage.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Christoph Hellwig <hch@lst.de>
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@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@lst.de are