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, 19 insertions, 29 deletions

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 4653f3d07a1d..dffd2cac8113 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -425,37 +425,33 @@ void iomap_readahead(struct readahead_control *rac, const struct iomap_ops *ops)
 EXPORT_SYMBOL_GPL(iomap_readahead);
 
 /*
- * iomap_is_partially_uptodate checks whether blocks within a page are
+ * iomap_is_partially_uptodate checks whether blocks within a folio are
  * uptodate or not.
  *
- * Returns true if all blocks which correspond to a file portion
- * we want to read within the page are uptodate.
+ * Returns true if all blocks which correspond to the specified part
+ * of the folio are uptodate.
  */
-int
-iomap_is_partially_uptodate(struct page *page, unsigned long from,
-		unsigned long count)
+bool iomap_is_partially_uptodate(struct folio *folio, size_t from, size_t count)
 {
-	struct folio *folio = page_folio(page);
 	struct iomap_page *iop = to_iomap_page(folio);
-	struct inode *inode = page->mapping->host;
-	unsigned len, first, last;
-	unsigned i;
+	struct inode *inode = folio->mapping->host;
+	size_t len;
+	unsigned first, last, i;
+
+	if (!iop)
+		return false;
 
-	/* Limit range to one page */
-	len = min_t(unsigned, PAGE_SIZE - from, count);
+	/* Limit range to this folio */
+	len = min(folio_size(folio) - from, count);
 
 	/* First and last blocks in range within page */
 	first = from >> inode->i_blkbits;
 	last = (from + len - 1) >> inode->i_blkbits;
 
-	if (iop) {
-		for (i = first; i <= last; i++)
-			if (!test_bit(i, iop->uptodate))
-				return 0;
-		return 1;
-	}
-
-	return 0;
+	for (i = first; i <= last; i++)
+		if (!test_bit(i, iop->uptodate))
+			return false;
+	return true;
 }
 EXPORT_SYMBOL_GPL(iomap_is_partially_uptodate);
 
@@ -481,7 +477,8 @@ EXPORT_SYMBOL_GPL(iomap_releasepage);
 
 void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len)
 {
-	trace_iomap_invalidatepage(folio->mapping->host, offset, len);
+	trace_iomap_invalidate_folio(folio->mapping->host,
+					folio_pos(folio) + offset, len);
 
 	/*
 	 * If we're invalidating the entire folio, clear the dirty state
@@ -500,13 +497,6 @@ void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len)
 }
 EXPORT_SYMBOL_GPL(iomap_invalidate_folio);
 
-void iomap_invalidatepage(struct page *page, unsigned int offset,
-		unsigned int len)
-{
-	iomap_invalidate_folio(page_folio(page), offset, len);
-}
-EXPORT_SYMBOL_GPL(iomap_invalidatepage);
-
 #ifdef CONFIG_MIGRATION
 int
 iomap_migrate_page(struct address_space *mapping, struct page *newpage,
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h
index 65e39785c284..a6689a563c6e 100644
--- a/fs/iomap/trace.h
+++ b/fs/iomap/trace.h
@@ -81,7 +81,7 @@ DEFINE_EVENT(iomap_range_class, name,	\
 	TP_ARGS(inode, off, len))
 DEFINE_RANGE_EVENT(iomap_writepage);
 DEFINE_RANGE_EVENT(iomap_releasepage);
-DEFINE_RANGE_EVENT(iomap_invalidatepage);
+DEFINE_RANGE_EVENT(iomap_invalidate_folio);
 DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
 
 #define IOMAP_TYPE_STRINGS \