summaryrefslogtreecommitdiff
path: root/fs/btrfs/backref.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/backref.h')
-rw-r--r--fs/btrfs/backref.h23
1 files changed, 10 insertions, 13 deletions
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 953637115956..34b0193a181c 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -226,8 +226,7 @@ int iterate_extent_inodes(struct btrfs_backref_walk_ctx *ctx,
iterate_extent_inodes_t *iterate, void *user_ctx);
int iterate_inodes_from_logical(u64 logical, struct btrfs_fs_info *fs_info,
- struct btrfs_path *path, void *ctx,
- bool ignore_offset);
+ void *ctx, bool ignore_offset);
int paths_from_inode(u64 inum, struct inode_fs_paths *ipath);
@@ -313,10 +312,15 @@ int btrfs_backref_iter_next(struct btrfs_backref_iter *iter);
* Represent a tree block in the backref cache
*/
struct btrfs_backref_node {
- struct {
- struct rb_node rb_node;
- u64 bytenr;
- }; /* Use rb_simple_node for search/insert */
+ union{
+ /* Use rb_simple_node for search/insert */
+ struct {
+ struct rb_node rb_node;
+ u64 bytenr;
+ };
+
+ struct rb_simple_node simple_node;
+ };
/*
* This is a sanity check, whenever we COW a block we will update
@@ -423,13 +427,6 @@ struct btrfs_backref_node *btrfs_backref_alloc_node(
struct btrfs_backref_edge *btrfs_backref_alloc_edge(
struct btrfs_backref_cache *cache);
-#define LINK_LOWER (1U << 0)
-#define LINK_UPPER (1U << 1)
-
-void btrfs_backref_link_edge(struct btrfs_backref_edge *edge,
- struct btrfs_backref_node *lower,
- struct btrfs_backref_node *upper,
- int link_which);
void btrfs_backref_free_node(struct btrfs_backref_cache *cache,
struct btrfs_backref_node *node);
void btrfs_backref_free_edge(struct btrfs_backref_cache *cache,