iomap: Rename page_done handler to put_folio

The ->page_done() handler in struct iomap_page_ops is now somewhat
misnamed in that it mainly deals with unlocking and putting a folio, so
rename it to ->put_folio().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

fs/gfs2/bmap.c

@@ -967,7 +967,7 @@ static int gfs2_iomap_page_prepare(struct inode *inode, loff_t pos,
 	return gfs2_trans_begin(sdp, RES_DINODE + blocks, 0);
 }
 
-static void gfs2_iomap_page_done(struct inode *inode, loff_t pos,
+static void gfs2_iomap_put_folio(struct inode *inode, loff_t pos,
 				 unsigned copied, struct folio *folio)
 {
 	struct gfs2_trans *tr = current->journal_info;
@@ -994,7 +994,7 @@ static void gfs2_iomap_page_done(struct inode *inode, loff_t pos,
 
 static const struct iomap_page_ops gfs2_iomap_page_ops = {
 	.page_prepare = gfs2_iomap_page_prepare,
-	.page_done = gfs2_iomap_page_done,
+	.put_folio = gfs2_iomap_put_folio,
 };
 
 static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos,

fs/iomap/buffered-io.c

@@ -580,8 +580,8 @@ static void __iomap_put_folio(struct iomap_iter *iter, loff_t pos, size_t ret,
 {
 	const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
 
-	if (page_ops && page_ops->page_done) {
-		page_ops->page_done(iter->inode, pos, ret, folio);
+	if (page_ops && page_ops->put_folio) {
+		page_ops->put_folio(iter->inode, pos, ret, folio);
 	} else if (folio) {
 		folio_unlock(folio);
 		folio_put(folio);

include/linux/iomap.h

@@ -126,18 +126,18 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
 
 /*
  * When a filesystem sets page_ops in an iomap mapping it returns, page_prepare
- * and page_done will be called for each page written to.  This only applies to
- * buffered writes as unbuffered writes will not typically have pages
+ * and put_folio will be called for each folio written to.  This only applies
+ * to buffered writes as unbuffered writes will not typically have folios
  * associated with them.
  *
- * When page_prepare succeeds, page_done will always be called to do any
- * cleanup work necessary.  In that page_done call, @folio will be NULL if the
- * associated folio could not be obtained.  When folio is not NULL, page_done
+ * When page_prepare succeeds, put_folio will always be called to do any
+ * cleanup work necessary.  In that put_folio call, @folio will be NULL if the
+ * associated folio could not be obtained.  When folio is not NULL, put_folio
  * is responsible for unlocking and putting the folio.
  */
 struct iomap_page_ops {
 	int (*page_prepare)(struct inode *inode, loff_t pos, unsigned len);
-	void (*page_done)(struct inode *inode, loff_t pos, unsigned copied,
+	void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied,
 			struct folio *folio);
 
 	/*