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

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

[Andrew Morton]

The quilt patch titled
     Subject: minix: remove writepage implementation
has been removed from the -mm tree.  Its filename was
     minix-remove-writepage-implementation.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: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: minix: remove writepage implementation
Date: Fri, 15 Dec 2023 20:02:40 +0000

If the filesystem implements migrate_folio and writepages, there is no
need for a writepage implementation.

Link: https://lkml.kernel.org/r/20231215200245.748418-10-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/minix/inode.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/fs/minix/inode.c~minix-remove-writepage-implementation
+++ a/fs/minix/inode.c
@@ -17,6 +17,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/highuid.h>
+#include <linux/mpage.h>
 #include <linux/vfs.h>
 #include <linux/writeback.h>
 
@@ -397,9 +398,10 @@ static int minix_get_block(struct inode
 		return V2_minix_get_block(inode, block, bh_result, create);
 }
 
-static int minix_writepage(struct page *page, struct writeback_control *wbc)
+static int minix_writepages(struct address_space *mapping,
+		struct writeback_control *wbc)
 {
-	return block_write_full_page(page, minix_get_block, wbc);
+	return mpage_writepages(mapping, wbc, minix_get_block);
 }
 
 static int minix_read_folio(struct file *file, struct folio *folio)
@@ -444,9 +446,10 @@ static const struct address_space_operat
 	.dirty_folio	= block_dirty_folio,
 	.invalidate_folio = block_invalidate_folio,
 	.read_folio = minix_read_folio,
-	.writepage = minix_writepage,
+	.writepages = minix_writepages,
 	.write_begin = minix_write_begin,
 	.write_end = generic_write_end,
+	.migrate_folio = buffer_migrate_folio,
 	.bmap = minix_bmap,
 	.direct_IO = noop_direct_IO
 };
_

Patches currently in -mm which might be from willy@infradead.org are

mm-remove-inc-dec-lruvec-page-state-functions.patch
slub-use-alloc_pages_node-in-alloc_slab_page.patch
slub-use-folio-apis-in-free_large_kmalloc.patch
slub-use-a-folio-in-__kmalloc_large_node.patch
mm-khugepaged-use-a-folio-more-in-collapse_file.patch
mm-memcontrol-remove-__mod_lruvec_page_state.patch