1 files changed, 16 insertions, 10 deletions

diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index ded446c1ef81..7aaaf4f8aff5 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -106,12 +106,14 @@ static inline const char *xattr_prefix(const struct xattr_handler *handler)
 	return handler->prefix ?: handler->name;
 }
 
-struct simple_xattrs {
-	struct rhashtable ht;
+struct simple_xattr_cache {
+	struct rhashtable *ht;
 };
 
 struct simple_xattr {
 	struct rhash_head hash_node;
+	struct list_head *parent;
+	struct list_head node;
 	struct rcu_head rcu;
 	char *name;
 	size_t size;
@@ -132,27 +134,31 @@ static inline void simple_xattr_limits_init(struct simple_xattr_limits *limits)
 	atomic_set(&limits->xattr_size, 0);
 }
 
-int simple_xattrs_init(struct simple_xattrs *xattrs);
-void simple_xattrs_free(struct simple_xattrs **xattrs, size_t *freed_space);
+void simple_xattrs_free(struct simple_xattr_cache *cache, struct list_head *xattrs,
+			size_t *freed_space);
 size_t simple_xattr_space(const char *name, size_t size);
 struct simple_xattr *simple_xattr_alloc(const void *value, size_t size);
 void simple_xattr_free(struct simple_xattr *xattr);
 void simple_xattr_free_rcu(struct simple_xattr *xattr);
-int simple_xattr_get(struct simple_xattrs **xattrs, const char *name,
-		     void *buffer, size_t size);
-struct simple_xattr *simple_xattr_set(struct simple_xattrs **xattrs,
+int simple_xattr_get(struct simple_xattr_cache *cache, struct list_head *xattrs,
+		     const char *name, void *buffer, size_t size);
+struct simple_xattr *simple_xattr_set(struct simple_xattr_cache *cache,
+				      struct list_head *xattrs,
 				      const char *name, const void *value,
 				      size_t size, int flags);
-int simple_xattr_set_limited(struct simple_xattrs **xattrs,
+int simple_xattr_set_limited(struct simple_xattr_cache *cache,
+			     struct list_head *xattrs,
 			     struct simple_xattr_limits *limits,
 			     const char *name, const void *value,
 			     size_t size, int flags);
-ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs **xattrs,
+ssize_t simple_xattr_list(struct inode *inode, struct list_head *xattrs,
 			  char *buffer, size_t size);
-int simple_xattr_add(struct simple_xattrs **xattrs,
+int simple_xattr_add(struct simple_xattr_cache *cache, struct list_head *xattrs,
 		     struct simple_xattr *new_xattr);
 int xattr_list_one(char **buffer, ssize_t *remaining_size, const char *name);
 
+void simple_xattr_cache_cleanup(struct simple_xattr_cache *cache);
+
 DEFINE_CLASS(simple_xattr,
 	     struct simple_xattr *,
 	     if (!IS_ERR_OR_NULL(_T)) simple_xattr_free(_T),