nfs: Convert to free_folio

Add a wrapper that converts back from the folio to the page.  This
entire file needs to be converted to use folios, but that's a
task for a different set of patches.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c6b263b5faf1fccb3ac1fe22ac2fb469ae7a740a..a8ecdd527662cc95ded7e074cc9cd6123377d950 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -55,7 +55,7 @@ static int nfs_closedir(struct inode *, struct file *);
 static int nfs_readdir(struct file *, struct dir_context *);
 static int nfs_fsync_dir(struct file *, loff_t, loff_t, int);
 static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-static void nfs_readdir_clear_array(struct page*);
+static void nfs_readdir_free_folio(struct folio *);
 
 const struct file_operations nfs_dir_operations = {
        .llseek         = nfs_llseek_dir,
@@ -67,7 +67,7 @@ const struct file_operations nfs_dir_operations = {
 };
 
 const struct address_space_operations nfs_dir_aops = {
-       .freepage = nfs_readdir_clear_array,
+       .free_folio = nfs_readdir_free_folio,
 };
 
 #define NFS_INIT_DTSIZE PAGE_SIZE
@@ -228,6 +228,11 @@ static void nfs_readdir_clear_array(struct page *page)
        kunmap_atomic(array);
 }
 
+static void nfs_readdir_free_folio(struct folio *folio)
+{
+       nfs_readdir_clear_array(&folio->page);
+}
+
 static void nfs_readdir_page_reinit_array(struct page *page, u64 last_cookie,
                                          u64 change_attr)
 {