diff options
Diffstat (limited to 'fs/btrfs/ref-cache.h')
| -rw-r--r-- | fs/btrfs/ref-cache.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/ref-cache.h b/fs/btrfs/ref-cache.h index 823c049f72f1..c361b321c0c3 100644 --- a/fs/btrfs/ref-cache.h +++ b/fs/btrfs/ref-cache.h @@ -30,6 +30,7 @@ struct btrfs_leaf_ref { int in_tree; atomic_t usage; + u64 root_gen; u64 bytenr; u64 owner; u64 generation; @@ -41,14 +42,13 @@ struct btrfs_leaf_ref { static inline size_t btrfs_leaf_ref_size(int nr_extents) { - return sizeof(struct btrfs_leaf_ref) + + return sizeof(struct btrfs_leaf_ref) + sizeof(struct btrfs_extent_info) * nr_extents; } static inline void btrfs_leaf_ref_tree_init(struct btrfs_leaf_ref_tree *tree) { tree->root.rb_node = NULL; - tree->last = NULL; INIT_LIST_HEAD(&tree->list); spin_lock_init(&tree->lock); } @@ -59,12 +59,13 @@ static inline int btrfs_leaf_ref_tree_empty(struct btrfs_leaf_ref_tree *tree) } void btrfs_leaf_ref_tree_init(struct btrfs_leaf_ref_tree *tree); -struct btrfs_leaf_ref *btrfs_alloc_leaf_ref(int nr_extents); -void btrfs_free_leaf_ref(struct btrfs_leaf_ref *ref); +struct btrfs_leaf_ref *btrfs_alloc_leaf_ref(struct btrfs_root *root, + int nr_extents); +void btrfs_free_leaf_ref(struct btrfs_root *root, struct btrfs_leaf_ref *ref); struct btrfs_leaf_ref *btrfs_lookup_leaf_ref(struct btrfs_root *root, u64 bytenr); int btrfs_add_leaf_ref(struct btrfs_root *root, struct btrfs_leaf_ref *ref); -int btrfs_remove_leaf_refs(struct btrfs_root *root); +int btrfs_remove_leaf_refs(struct btrfs_root *root, u64 max_root_gen); int btrfs_remove_leaf_ref(struct btrfs_root *root, struct btrfs_leaf_ref *ref); #endif |