Merge branch 'fst-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux...

[cascardo/linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index cb0ae90..9d8edcb 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -252,7 +252,8 @@ struct btrfs_super_block {
 #define BTRFS_FEATURE_COMPAT_SAFE_CLEAR                0ULL
 
 #define BTRFS_FEATURE_COMPAT_RO_SUPP                   \
-       (BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE)
+       (BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE |      \
+        BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE_VALID)
 
 #define BTRFS_FEATURE_COMPAT_RO_SAFE_SET       0ULL
 #define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR     0ULL
@@ -2293,6 +2294,21 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l)
        return offsetof(struct btrfs_leaf, items);
 }
 
+/*
+ * The leaf data grows from end-to-front in the node.
+ * this returns the address of the start of the last item,
+ * which is the stop of the leaf data stack
+ */
+static inline unsigned int leaf_data_end(struct btrfs_root *root,
+                                        struct extent_buffer *leaf)
+{
+       u32 nr = btrfs_header_nritems(leaf);
+
+       if (nr == 0)
+               return BTRFS_LEAF_DATA_SIZE(root);
+       return btrfs_item_offset_nr(leaf, nr - 1);
+}
+
 /* struct btrfs_file_extent_item */
 BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8);
 BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr,
@@ -3241,20 +3257,17 @@ int btrfs_parse_options(struct btrfs_root *root, char *options,
                        unsigned long new_flags);
 int btrfs_sync_fs(struct super_block *sb, int wait);
 
+static inline __printf(2, 3)
+void btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...)
+{
+}
+
 #ifdef CONFIG_PRINTK
 __printf(2, 3)
 void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...);
-__printf(2, 3)
-static inline int btrfs_no_printk(const struct btrfs_fs_info *fs_info,
-                                  const char *fmt, ...)
-{
-       return 0;
-}
 #else
-static inline __printf(2, 3)
-void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...)
-{
-}
+#define btrfs_printk(fs_info, fmt, args...) \
+       btrfs_no_printk(fs_info, fmt, ##args)
 #endif
 
 #define btrfs_emerg(fs_info, fmt, args...) \