1 files changed, 9 insertions, 0 deletions
diff --git a/fs/libfs.c b/fs/libfs.c
index 31b0ddf01c31..6911749b4da7 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1217,6 +1217,15 @@ void kfree_link(void *p)
 }
 EXPORT_SYMBOL(kfree_link);
 
+static const struct address_space_operations anon_aops = {
+	.dirty_folio	= noop_dirty_folio,
+};
+
+bool is_anon_inode(struct inode *inode)
+{
+	return inode->i_mapping->a_ops == &anon_aops;
+}
+
 struct inode *alloc_anon_inode(struct super_block *s)
 {
 	static const struct address_space_operations anon_aops = {