3 files changed, 31 insertions, 11 deletions

diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index f94f45fe2c91..5023dfe191e8 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -60,7 +60,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
 	 * identifying beginning of dir entry (names are under user control),
 	 * we need to scan the directory from the beginning.
 	 */
-	if (!inode_eq_iversion(dir, file->f_version)) {
+	if (!inode_eq_iversion(dir, *(u64 *)file->private_data)) {
 		emit_pos = nf_pos;
 		nf_pos = 0;
 	} else {
@@ -122,15 +122,37 @@ out_iter:
 	udf_fiiter_release(&iter);
 out:
 	if (pos_valid)
-		file->f_version = inode_query_iversion(dir);
+		*(u64 *)file->private_data = inode_query_iversion(dir);
 	kfree(fname);
 
 	return ret;
 }
 
+static int udf_dir_open(struct inode *inode, struct file *file)
+{
+	file->private_data = kzalloc(sizeof(u64), GFP_KERNEL);
+	if (!file->private_data)
+		return -ENOMEM;
+	return 0;
+}
+
+static int udf_dir_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static loff_t udf_dir_llseek(struct file *file, loff_t offset, int whence)
+{
+	return generic_llseek_cookie(file, offset, whence,
+				     (u64 *)file->private_data);
+}
+
 /* readdir and lookup functions */
 const struct file_operations udf_dir_operations = {
-	.llseek			= generic_file_llseek,
+	.open			= udf_dir_open,
+	.release		= udf_dir_release,
+	.llseek			= udf_dir_llseek,
 	.read			= generic_read_dir,
 	.iterate_shared		= udf_readdir,
 	.unlocked_ioctl		= udf_ioctl,
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 3a4179de316b..412fe7c4d348 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -62,7 +62,7 @@ static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf)
 		end = size & ~PAGE_MASK;
 	else
 		end = PAGE_SIZE;
-	err = __block_write_begin(&folio->page, 0, end, udf_get_block);
+	err = __block_write_begin(folio, 0, end, udf_get_block);
 	if (err) {
 		folio_unlock(folio);
 		ret = vmf_fs_error(err);
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 4726a4d014b6..eaee57b91c6c 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -246,14 +246,14 @@ static void udf_readahead(struct readahead_control *rac)
 
 static int udf_write_begin(struct file *file, struct address_space *mapping,
 			   loff_t pos, unsigned len,
-			   struct page **pagep, void **fsdata)
+			   struct folio **foliop, void **fsdata)
 {
 	struct udf_inode_info *iinfo = UDF_I(file_inode(file));
 	struct folio *folio;
 	int ret;
 
 	if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
-		ret = block_write_begin(mapping, pos, len, pagep,
+		ret = block_write_begin(mapping, pos, len, foliop,
 					udf_get_block);
 		if (unlikely(ret))
 			udf_write_failed(mapping, pos + len);
@@ -265,7 +265,7 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
 			mapping_gfp_mask(mapping));
 	if (IS_ERR(folio))
 		return PTR_ERR(folio);
-	*pagep = &folio->page;
+	*foliop = folio;
 	if (!folio_test_uptodate(folio))
 		udf_adinicb_read_folio(folio);
 	return 0;
@@ -273,16 +273,14 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
 
 static int udf_write_end(struct file *file, struct address_space *mapping,
 			 loff_t pos, unsigned len, unsigned copied,
-			 struct page *page, void *fsdata)
+			 struct folio *folio, void *fsdata)
 {
 	struct inode *inode = file_inode(file);
-	struct folio *folio;
 	loff_t last_pos;
 
 	if (UDF_I(inode)->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB)
-		return generic_write_end(file, mapping, pos, len, copied, page,
+		return generic_write_end(file, mapping, pos, len, copied, folio,
 					 fsdata);
-	folio = page_folio(page);
 	last_pos = pos + copied;
 	if (last_pos > inode->i_size)
 		i_size_write(inode, last_pos);