Merge tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache

Pull filesystem folio updates from Matthew Wilcox:
 "Primarily this series converts some of the address_space operations to
  take a folio instead of a page.

  Notably:

   - a_ops->is_partially_uptodate() takes a folio instead of a page and
     changes the type of the 'from' and 'count' arguments to make it
     obvious they're bytes.

   - a_ops->invalidatepage() becomes ->invalidate_folio() and has a
     similar type change.

   - a_ops->launder_page() becomes ->launder_folio()

   - a_ops->set_page_dirty() becomes ->dirty_folio() and adds the
     address_space as an argument.

  There are a couple of other misc changes up front that weren't worth
  separating into their own pull request"

* tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache: (53 commits)
  fs: Remove aops ->set_page_dirty
  fb_defio: Use noop_dirty_folio()
  fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio
  fs: Convert __set_page_dirty_buffers to block_dirty_folio
  nilfs: Convert nilfs_set_page_dirty() to nilfs_dirty_folio()
  mm: Convert swap_set_page_dirty() to swap_dirty_folio()
  ubifs: Convert ubifs_set_page_dirty to ubifs_dirty_folio
  f2fs: Convert f2fs_set_node_page_dirty to f2fs_dirty_node_folio
  f2fs: Convert f2fs_set_data_page_dirty to f2fs_dirty_data_folio
  f2fs: Convert f2fs_set_meta_page_dirty to f2fs_dirty_meta_folio
  afs: Convert afs_dir_set_page_dirty() to afs_dir_dirty_folio()
  btrfs: Convert extent_range_redirty_for_io() to use folios
  fs: Convert trivial uses of __set_page_dirty_nobuffers to filemap_dirty_folio
  btrfs: Convert from set_page_dirty to dirty_folio
  fscache: Convert fscache_set_page_dirty() to fscache_dirty_folio()
  fs: Add aops->dirty_folio
  fs: Remove aops->launder_page
  orangefs: Convert launder_page to launder_folio
  nfs: Convert from launder_page to launder_folio
  fuse: Convert from launder_page to launder_folio
  ...

2 files changed, 22 insertions, 22 deletions

diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index f49b72ccac4c..e4221fa85ea2 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -3094,7 +3094,7 @@ void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode)
  * decide if this buffer needs to stay around for data logging or ordered
  * write purposes
  */
-static int invalidatepage_can_drop(struct inode *inode, struct buffer_head *bh)
+static int invalidate_folio_can_drop(struct inode *inode, struct buffer_head *bh)
 {
 	int ret = 1;
 	struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
@@ -3147,26 +3147,26 @@ free_jh:
 	return ret;
 }
 
-/* clm -- taken from fs/buffer.c:block_invalidate_page */
-static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
-				    unsigned int length)
+/* clm -- taken from fs/buffer.c:block_invalidate_folio */
+static void reiserfs_invalidate_folio(struct folio *folio, size_t offset,
+				    size_t length)
 {
 	struct buffer_head *head, *bh, *next;
-	struct inode *inode = page->mapping->host;
+	struct inode *inode = folio->mapping->host;
 	unsigned int curr_off = 0;
 	unsigned int stop = offset + length;
-	int partial_page = (offset || length < PAGE_SIZE);
+	int partial_page = (offset || length < folio_size(folio));
 	int ret = 1;
 
-	BUG_ON(!PageLocked(page));
+	BUG_ON(!folio_test_locked(folio));
 
 	if (!partial_page)
-		ClearPageChecked(page);
+		folio_clear_checked(folio);
 
-	if (!page_has_buffers(page))
+	head = folio_buffers(folio);
+	if (!head)
 		goto out;
 
-	head = page_buffers(page);
 	bh = head;
 	do {
 		unsigned int next_off = curr_off + bh->b_size;
@@ -3179,7 +3179,7 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
 		 * is this block fully invalidated?
 		 */
 		if (offset <= curr_off) {
-			if (invalidatepage_can_drop(inode, bh))
+			if (invalidate_folio_can_drop(inode, bh))
 				reiserfs_unmap_buffer(bh);
 			else
 				ret = 0;
@@ -3194,21 +3194,21 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset,
 	 * so real IO is not possible anymore.
 	 */
 	if (!partial_page && ret) {
-		ret = try_to_release_page(page, 0);
+		ret = filemap_release_folio(folio, 0);
 		/* maybe should BUG_ON(!ret); - neilb */
 	}
 out:
 	return;
 }
 
-static int reiserfs_set_page_dirty(struct page *page)
+static bool reiserfs_dirty_folio(struct address_space *mapping,
+		struct folio *folio)
 {
-	struct inode *inode = page->mapping->host;
-	if (reiserfs_file_data_log(inode)) {
-		SetPageChecked(page);
-		return __set_page_dirty_nobuffers(page);
+	if (reiserfs_file_data_log(mapping->host)) {
+		folio_set_checked(folio);
+		return filemap_dirty_folio(mapping, folio);
 	}
-	return __set_page_dirty_buffers(page);
+	return block_dirty_folio(mapping, folio);
 }
 
 /*
@@ -3430,10 +3430,10 @@ const struct address_space_operations reiserfs_address_space_operations = {
 	.readpage = reiserfs_readpage,
 	.readahead = reiserfs_readahead,
 	.releasepage = reiserfs_releasepage,
-	.invalidatepage = reiserfs_invalidatepage,
+	.invalidate_folio = reiserfs_invalidate_folio,
 	.write_begin = reiserfs_write_begin,
 	.write_end = reiserfs_write_end,
 	.bmap = reiserfs_aop_bmap,
 	.direct_IO = reiserfs_direct_IO,
-	.set_page_dirty = reiserfs_set_page_dirty,
+	.dirty_folio = reiserfs_dirty_folio,
 };
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index a3e21160b634..b5b6f6201bed 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -858,8 +858,8 @@ loop_next:
 			ret = -EIO;
 		}
 		/*
-		 * ugly interaction with invalidatepage here.
-		 * reiserfs_invalidate_page will pin any buffer that has a
+		 * ugly interaction with invalidate_folio here.
+		 * reiserfs_invalidate_folio will pin any buffer that has a
 		 * valid journal head from an older transaction.  If someone
 		 * else sets our buffer dirty after we write it in the first
 		 * loop, and then someone truncates the page away, nobody