diff options
Diffstat (limited to 'fs/btrfs/extent-io-tree.h')
| -rw-r--r-- | fs/btrfs/extent-io-tree.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h index ce07432954b4..92cbb1dc5ce2 100644 --- a/fs/btrfs/extent-io-tree.h +++ b/fs/btrfs/extent-io-tree.h @@ -291,5 +291,31 @@ struct rb_node *tree_search_for_insert(struct extent_io_tree *tree, u64 offset, struct rb_node *tree_search_prev_next(struct extent_io_tree *tree, u64 offset, struct rb_node **prev_ret, struct rb_node **next_ret); +void merge_state(struct extent_io_tree *tree, struct extent_state *state); + +static inline struct extent_state *next_state(struct extent_state *state) +{ + struct rb_node *next = rb_next(&state->rb_node); + if (next) + return rb_entry(next, struct extent_state, rb_node); + else + return NULL; +} + +struct extent_state *clear_state_bit(struct extent_io_tree *tree, + struct extent_state *state, u32 bits, + int wake, + struct extent_changeset *changeset); +int insert_state(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); +int split_state(struct extent_io_tree *tree, struct extent_state *orig, + struct extent_state *prealloc, u64 split); +int insert_state(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); +void insert_state_fast(struct extent_io_tree *tree, struct extent_state *state, + struct rb_node **node, struct rb_node *parent, + unsigned bits, struct extent_changeset *changeset); +void set_state_bits(struct extent_io_tree *tree, struct extent_state *state, + u32 bits, struct extent_changeset *changeset); #endif /* BTRFS_EXTENT_IO_TREE_H */ |