[merged] bcachefs-stop-using-write_cache_pages.patch removed from -mm tree

[Andrew Morton <akpm@linux-foundation.org>]

The quilt patch titled
     Subject: bcachefs: stop using write_cache_pages
has been removed from the -mm tree.  Its filename was
     bcachefs-stop-using-write_cache_pages.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Christoph Hellwig <hch@lst.de>
Subject: bcachefs: stop using write_cache_pages
Date: Mon, 18 Aug 2025 08:10:09 +0200

Stop using the obsolete write_cache_pages and use writeback_iter directly.
This basically just open codes write_cache_pages without the indirect
call, but there's probably ways to structure the code even nicer as a
follow on.

Link: https://lkml.kernel.org/r/20250818061017.1526853-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/bcachefs/fs-io-buffered.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

--- a/fs/bcachefs/fs-io-buffered.c~bcachefs-stop-using-write_cache_pages
+++ a/fs/bcachefs/fs-io-buffered.c
@@ -655,6 +655,17 @@ do_io:
 	return 0;
 }
 
+static int bch2_write_cache_pages(struct address_space *mapping,
+		      struct writeback_control *wbc, void *data)
+{
+	struct folio *folio = NULL;
+	int error;
+
+	while ((folio = writeback_iter(mapping, wbc, folio, &error)))
+		error = __bch2_writepage(folio, wbc, data);
+	return error;
+}
+
 int bch2_writepages(struct address_space *mapping, struct writeback_control *wbc)
 {
 	struct bch_fs *c = mapping->host->i_sb->s_fs_info;
@@ -663,7 +674,7 @@ int bch2_writepages(struct address_space
 	bch2_inode_opts_get(&w->opts, c, &to_bch_ei(mapping->host)->ei_inode);
 
 	blk_start_plug(&w->plug);
-	int ret = write_cache_pages(mapping, wbc, __bch2_writepage, w);
+	int ret = bch2_write_cache_pages(mapping, wbc, w);
 	if (w->io)
 		bch2_writepage_do_io(w);
 	blk_finish_plug(&w->plug);
_

Patches currently in -mm which might be from hch@lst.de are

mempool-rename-struct-mempool_s-to-struct-mempool.patch
ntfs3-stop-using-write_cache_pages.patch
mm-remove-write_cache_pages.patch