diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.h')
| -rw-r--r-- | fs/btrfs/delayed-ref.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index c345fee9f96..57153fcc347 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -68,6 +68,8 @@ struct btrfs_delayed_ref_head { */ struct mutex mutex; + struct list_head cluster; + /* * when a new extent is allocated, it is just reserved in memory * The actual extent isn't inserted into the extent allocation tree @@ -115,12 +117,20 @@ struct btrfs_delayed_ref_root { */ unsigned long num_entries; + /* total number of head nodes in tree */ + unsigned long num_heads; + + /* total number of head nodes ready for processing */ + unsigned long num_heads_ready; + /* * set when the tree is flushing before a transaction commit, * used by the throttling code to decide if new updates need * to be run right away */ int flushing; + + u64 run_delayed_start; }; static inline void btrfs_put_delayed_ref(struct btrfs_delayed_ref_node *ref) @@ -140,9 +150,6 @@ int btrfs_add_delayed_ref(struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_head * btrfs_find_delayed_ref_head(struct btrfs_trans_handle *trans, u64 bytenr); int btrfs_delayed_ref_pending(struct btrfs_trans_handle *trans, u64 bytenr); -int btrfs_lock_delayed_ref(struct btrfs_trans_handle *trans, - struct btrfs_delayed_ref_node *ref, - struct btrfs_delayed_ref_head **next_ret); int btrfs_lookup_extent_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 num_bytes, u32 *refs); @@ -151,6 +158,10 @@ int btrfs_update_delayed_ref(struct btrfs_trans_handle *trans, u64 parent, u64 orig_ref_root, u64 ref_root, u64 orig_ref_generation, u64 ref_generation, u64 owner_objectid, int pin); +int btrfs_delayed_ref_lock(struct btrfs_trans_handle *trans, + struct btrfs_delayed_ref_head *head); +int btrfs_find_ref_cluster(struct btrfs_trans_handle *trans, + struct list_head *cluster, u64 search_start); /* * a node might live in a head or a regular ref, this lets you * test for the proper type to use. |