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-rw-r--r--fs/btrfs/extent_io.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 5691c7b..4183c81 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -85,7 +85,7 @@ struct extent_io_ops {
struct extent_io_tree {
struct rb_root state;
- struct rb_root buffer;
+ struct radix_tree_root buffer;
struct address_space *mapping;
u64 dirty_bytes;
spinlock_t lock;
@@ -123,7 +123,7 @@ struct extent_buffer {
unsigned long bflags;
atomic_t refs;
struct list_head leak_list;
- struct rb_node rb_node;
+ struct rcu_head rcu_head;
/* the spinlock is used to protect most operations */
spinlock_t lock;
@@ -310,4 +310,7 @@ int extent_clear_unlock_delalloc(struct inode *inode,
struct extent_io_tree *tree,
u64 start, u64 end, struct page *locked_page,
unsigned long op);
+struct bio *
+btrfs_bio_alloc(struct block_device *bdev, u64 first_sector, int nr_vecs,
+ gfp_t gfp_flags);
#endif
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