fs: Convert trivial uses of __set_page_dirty_nobuffers to filemap_dirty_folio

These filesystems use __set_page_dirty_nobuffers() either directly or
with a very thin wrapper; convert them en masse.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs

fs/btrfs/inode.c

@@ -10077,11 +10077,6 @@ int btrfs_prealloc_file_range_trans(struct inode *inode,
 					   min_size, actual_len, alloc_hint, trans);
 }
 
-static int btrfs_set_page_dirty(struct page *page)
-{
-	return __set_page_dirty_nobuffers(page);
-}
-
 static int btrfs_permission(struct user_namespace *mnt_userns,
 			    struct inode *inode, int mask)
 {
@@ -10644,7 +10639,7 @@ static const struct address_space_operations btrfs_aops = {
 #ifdef CONFIG_MIGRATION
 	.migratepage	= btrfs_migratepage,
 #endif
-	.set_page_dirty	= btrfs_set_page_dirty,
+	.dirty_folio	= filemap_dirty_folio,
 	.error_remove_page = generic_error_remove_page,
 	.swap_activate	= btrfs_swap_activate,
 	.swap_deactivate = btrfs_swap_deactivate,

fs/ext4/inode.c

@@ -3541,22 +3541,23 @@ const struct iomap_ops ext4_iomap_report_ops = {
 };
 
 /*
- * Pages can be marked dirty completely asynchronously from ext4's journalling
+ * Folios can be marked dirty completely asynchronously from ext4's
- * activity.  By filemap_sync_pte(), try_to_unmap_one(), etc.  We cannot do
+ * journalling activity.  By filemap_sync_pte(), try_to_unmap_one(), etc.
- * much here because ->set_page_dirty is called under VFS locks.  The page is
+ * We cannot do much here because ->dirty_folio may be called with the
- * not necessarily locked.
+ * page table lock held.  The folio is not necessarily locked.
  *
- * We cannot just dirty the page and leave attached buffers clean, because the
+ * We cannot just dirty the folio and leave attached buffers clean, because the
  * buffers' dirty state is "definitive".  We cannot just set the buffers dirty
  * or jbddirty because all the journalling code will explode.
  *
- * So what we do is to mark the page "pending dirty" and next time writepage
+ * So what we do is to mark the folio "pending dirty" and next time writepage
  * is called, propagate that into the buffers appropriately.
  */
-static int ext4_journalled_set_page_dirty(struct page *page)
+static bool ext4_journalled_dirty_folio(struct address_space *mapping,
+		struct folio *folio)
 {
-	SetPageChecked(page);
+	folio_set_checked(folio);
-	return __set_page_dirty_nobuffers(page);
+	return filemap_dirty_folio(mapping, folio);
 }
 
 static int ext4_set_page_dirty(struct page *page)
@@ -3598,7 +3599,7 @@ static const struct address_space_operations ext4_journalled_aops = {
 	.writepages		= ext4_writepages,
 	.write_begin		= ext4_write_begin,
 	.write_end		= ext4_journalled_write_end,
-	.set_page_dirty		= ext4_journalled_set_page_dirty,
+	.dirty_folio		= ext4_journalled_dirty_folio,
 	.bmap			= ext4_bmap,
 	.invalidate_folio	= ext4_journalled_invalidate_folio,
 	.releasepage		= ext4_releasepage,

fs/fuse/file.c

@@ -3162,7 +3162,7 @@ static const struct address_space_operations fuse_file_aops  = {
 	.writepage	= fuse_writepage,
 	.writepages	= fuse_writepages,
 	.launder_folio	= fuse_launder_folio,
-	.set_page_dirty	= __set_page_dirty_nobuffers,
+	.dirty_folio	= filemap_dirty_folio,
 	.bmap		= fuse_bmap,
 	.direct_IO	= fuse_direct_IO,
 	.write_begin	= fuse_write_begin,

fs/gfs2/aops.c

@@ -780,7 +780,7 @@ static const struct address_space_operations gfs2_aops = {
 	.writepages = gfs2_writepages,
 	.readpage = gfs2_readpage,
 	.readahead = gfs2_readahead,
-	.set_page_dirty = __set_page_dirty_nobuffers,
+	.dirty_folio = filemap_dirty_folio,
 	.releasepage = iomap_releasepage,
 	.invalidate_folio = iomap_invalidate_folio,
 	.bmap = gfs2_bmap,

fs/hostfs/hostfs_kern.c

@@ -14,6 +14,7 @@
 #include <linux/statfs.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
+#include <linux/writeback.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include "hostfs.h"
@@ -504,7 +505,7 @@ static int hostfs_write_end(struct file *file, struct address_space *mapping,
 static const struct address_space_operations hostfs_aops = {
 	.writepage 	= hostfs_writepage,
 	.readpage	= hostfs_readpage,
-	.set_page_dirty = __set_page_dirty_nobuffers,
+	.dirty_folio	= filemap_dirty_folio,
 	.write_begin	= hostfs_write_begin,
 	.write_end	= hostfs_write_end,
 };

fs/jfs/jfs_metapage.c

@@ -570,7 +570,7 @@ const struct address_space_operations jfs_metapage_aops = {
 	.writepage	= metapage_writepage,
 	.releasepage	= metapage_releasepage,
 	.invalidate_folio = metapage_invalidate_folio,
-	.set_page_dirty	= __set_page_dirty_nobuffers,
+	.dirty_folio	= filemap_dirty_folio,
 };
 
 struct metapage *__get_metapage(struct inode *inode, unsigned long lblock,

fs/nfs/file.c

@@ -515,7 +515,7 @@ static void nfs_swap_deactivate(struct file *file)
 const struct address_space_operations nfs_file_aops = {
 	.readpage = nfs_readpage,
 	.readpages = nfs_readpages,
-	.set_page_dirty = __set_page_dirty_nobuffers,
+	.dirty_folio = filemap_dirty_folio,
 	.writepage = nfs_writepage,
 	.writepages = nfs_writepages,
 	.write_begin = nfs_write_begin,

fs/ntfs/aops.c

@@ -1684,9 +1684,7 @@ const struct address_space_operations ntfs_mst_aops = {
 	.readpage	= ntfs_readpage,	/* Fill page with data. */
 #ifdef NTFS_RW
 	.writepage	= ntfs_writepage,	/* Write dirty page to disk. */
-	.set_page_dirty	= __set_page_dirty_nobuffers,	/* Set the page dirty
+	.dirty_folio	= filemap_dirty_folio,
-						   without touching the buffers
-						   belonging to the page. */
 #endif /* NTFS_RW */
 	.migratepage	= buffer_migrate_page,
 	.is_partially_uptodate	= block_is_partially_uptodate,

fs/orangefs/inode.c

@@ -634,7 +634,7 @@ static const struct address_space_operations orangefs_address_operations = {
 	.readahead = orangefs_readahead,
 	.readpage = orangefs_readpage,
 	.writepages = orangefs_writepages,
-	.set_page_dirty = __set_page_dirty_nobuffers,
+	.dirty_folio = filemap_dirty_folio,
 	.write_begin = orangefs_write_begin,
 	.write_end = orangefs_write_end,
 	.invalidate_folio = orangefs_invalidate_folio,

fs/vboxsf/file.c

@@ -354,7 +354,7 @@ out:
 const struct address_space_operations vboxsf_reg_aops = {
 	.readpage = vboxsf_readpage,
 	.writepage = vboxsf_writepage,
-	.set_page_dirty = __set_page_dirty_nobuffers,
+	.dirty_folio = filemap_dirty_folio,
 	.write_begin = simple_write_begin,
 	.write_end = vboxsf_write_end,
 };

fs/xfs/xfs_aops.c

@@ -567,7 +567,7 @@ const struct address_space_operations xfs_address_space_operations = {
 	.readpage		= xfs_vm_readpage,
 	.readahead		= xfs_vm_readahead,
 	.writepages		= xfs_vm_writepages,
-	.set_page_dirty		= __set_page_dirty_nobuffers,
+	.dirty_folio		= filemap_dirty_folio,
 	.releasepage		= iomap_releasepage,
 	.invalidate_folio	= iomap_invalidate_folio,
 	.bmap			= xfs_vm_bmap,

fs/zonefs/super.c

@@ -185,7 +185,7 @@ static const struct address_space_operations zonefs_file_aops = {
 	.readahead		= zonefs_readahead,
 	.writepage		= zonefs_writepage,
 	.writepages		= zonefs_writepages,
-	.set_page_dirty		= __set_page_dirty_nobuffers,
+	.dirty_folio		= filemap_dirty_folio,
 	.releasepage		= iomap_releasepage,
 	.invalidate_folio	= iomap_invalidate_folio,
 	.migratepage		= iomap_migrate_page,