zonefs: remove ->writepage

->writepage is only used for single page writeback from memory reclaim,
and not called at all for cgroup writeback.  Follow the lead of XFS
and remove ->writepage and rely entirely on ->writepages.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 053299758deb98abfe8a2154dd14fb6e32646a07..062c3f1da0327b11a239603a2fa2bc151c962b80 100644 (file)
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -232,13 +232,6 @@ static const struct iomap_writeback_ops zonefs_writeback_ops = {
        .map_blocks             = zonefs_write_map_blocks,
 };
 
-static int zonefs_writepage(struct page *page, struct writeback_control *wbc)
-{
-       struct iomap_writepage_ctx wpc = { };
-
-       return iomap_writepage(page, wbc, &wpc, &zonefs_writeback_ops);
-}
-
 static int zonefs_writepages(struct address_space *mapping,
                             struct writeback_control *wbc)
 {
@@ -266,7 +259,6 @@ static int zonefs_swap_activate(struct swap_info_struct *sis,
 static const struct address_space_operations zonefs_file_aops = {
        .read_folio             = zonefs_read_folio,
        .readahead              = zonefs_readahead,
-       .writepage              = zonefs_writepage,
        .writepages             = zonefs_writepages,
        .dirty_folio            = filemap_dirty_folio,
        .release_folio          = iomap_release_folio,