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-rw-r--r--fs/btrfs/ctree.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 85ab1c5844a2..c2e17cd299b7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1546,6 +1546,17 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_INODE_ROOT_ITEM_INIT (1 << 31)
+struct btrfs_map_token {
+ struct extent_buffer *eb;
+ char *kaddr;
+ unsigned long offset;
+};
+
+static inline void btrfs_init_map_token (struct btrfs_map_token *token)
+{
+ memset(token, 0, sizeof(*token));
+}
+
/* some macros to generate set/get funcs for the struct fields. This
* assumes there is a lefoo_to_cpu for every type, so lets make a simple
* one for u8:
@@ -1569,6 +1580,8 @@ struct btrfs_ioctl_defrag_range_args {
#ifndef BTRFS_SETGET_FUNCS
#define BTRFS_SETGET_FUNCS(name, type, member, bits) \
u##bits btrfs_##name(struct extent_buffer *eb, type *s); \
+u##bits btrfs_token_##name(struct extent_buffer *eb, type *s, struct btrfs_map_token *token); \
+void btrfs_set_token_##name(struct extent_buffer *eb, type *s, u##bits val, struct btrfs_map_token *token);\
void btrfs_set_##name(struct extent_buffer *eb, type *s, u##bits val);
#endif