Merge branch 'btrfs-3.0' into for-linus
[linux-2.6.git] / fs / btrfs / ctree.h
index 0469263..03912c5 100644 (file)
@@ -1415,17 +1415,15 @@ void btrfs_set_##name(struct extent_buffer *eb, type *s, u##bits val);
 #define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)            \
 static inline u##bits btrfs_##name(struct extent_buffer *eb)           \
 {                                                                      \
-       type *p = kmap_atomic(eb->first_page, KM_USER0);                \
+       type *p = page_address(eb->first_page);                         \
        u##bits res = le##bits##_to_cpu(p->member);                     \
-       kunmap_atomic(p, KM_USER0);                                     \
        return res;                                                     \
 }                                                                      \
 static inline void btrfs_set_##name(struct extent_buffer *eb,          \
                                    u##bits val)                        \
 {                                                                      \
-       type *p = kmap_atomic(eb->first_page, KM_USER0);                \
+       type *p = page_address(eb->first_page);                         \
        p->member = cpu_to_le##bits(val);                               \
-       kunmap_atomic(p, KM_USER0);                                     \
 }
 
 #define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)             \
@@ -2367,8 +2365,8 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans,
 int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
 int btrfs_leaf_free_space(struct btrfs_root *root, struct extent_buffer *leaf);
-int btrfs_drop_snapshot(struct btrfs_root *root,
-                       struct btrfs_block_rsv *block_rsv, int update_ref);
+void btrfs_drop_snapshot(struct btrfs_root *root,
+                        struct btrfs_block_rsv *block_rsv, int update_ref);
 int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root,
                        struct extent_buffer *node,