Lines Matching refs:ref
442 struct btrfs_delayed_ref_node *ref) in drop_delayed_ref() argument
445 rb_erase_cached(&ref->ref_node, &head->ref_tree); in drop_delayed_ref()
446 RB_CLEAR_NODE(&ref->ref_node); in drop_delayed_ref()
447 if (!list_empty(&ref->add_list)) in drop_delayed_ref()
448 list_del(&ref->add_list); in drop_delayed_ref()
449 ref->in_tree = 0; in drop_delayed_ref()
450 btrfs_put_delayed_ref(ref); in drop_delayed_ref()
456 struct btrfs_delayed_ref_node *ref, in merge_ref() argument
460 struct rb_node *node = rb_next(&ref->ref_node); in merge_ref()
470 if (comp_refs(ref, next, false)) in merge_ref()
473 if (ref->action == next->action) { in merge_ref()
476 if (ref->ref_mod < next->ref_mod) { in merge_ref()
477 swap(ref, next); in merge_ref()
484 ref->ref_mod += mod; in merge_ref()
485 if (ref->ref_mod == 0) { in merge_ref()
486 drop_delayed_ref(delayed_refs, head, ref); in merge_ref()
492 WARN_ON(ref->type == BTRFS_TREE_BLOCK_REF_KEY || in merge_ref()
493 ref->type == BTRFS_SHARED_BLOCK_REF_KEY); in merge_ref()
504 struct btrfs_delayed_ref_node *ref; in btrfs_merge_delayed_refs() local
521 ref = rb_entry(node, struct btrfs_delayed_ref_node, ref_node); in btrfs_merge_delayed_refs()
522 if (seq && ref->seq >= seq) in btrfs_merge_delayed_refs()
524 if (merge_ref(delayed_refs, head, ref, seq)) in btrfs_merge_delayed_refs()
603 struct btrfs_delayed_ref_node *ref) in insert_delayed_ref() argument
610 exist = tree_insert(&href->ref_tree, ref); in insert_delayed_ref()
616 if (exist->action == ref->action) { in insert_delayed_ref()
617 mod = ref->ref_mod; in insert_delayed_ref()
620 if (exist->ref_mod < ref->ref_mod) { in insert_delayed_ref()
621 exist->action = ref->action; in insert_delayed_ref()
623 exist->ref_mod = ref->ref_mod; in insert_delayed_ref()
624 if (ref->action == BTRFS_ADD_DELAYED_REF) in insert_delayed_ref()
627 else if (ref->action == BTRFS_DROP_DELAYED_REF) { in insert_delayed_ref()
634 mod = -ref->ref_mod; in insert_delayed_ref()
644 if (ref->action == BTRFS_ADD_DELAYED_REF) in insert_delayed_ref()
645 list_add_tail(&ref->add_list, &href->ref_add_list); in insert_delayed_ref()
878 struct btrfs_delayed_ref_node *ref, in init_delayed_ref_common() argument
890 refcount_set(&ref->refs, 1); in init_delayed_ref_common()
891 ref->bytenr = bytenr; in init_delayed_ref_common()
892 ref->num_bytes = num_bytes; in init_delayed_ref_common()
893 ref->ref_mod = 1; in init_delayed_ref_common()
894 ref->action = action; in init_delayed_ref_common()
895 ref->is_head = 0; in init_delayed_ref_common()
896 ref->in_tree = 1; in init_delayed_ref_common()
897 ref->seq = seq; in init_delayed_ref_common()
898 ref->type = ref_type; in init_delayed_ref_common()
899 RB_CLEAR_NODE(&ref->ref_node); in init_delayed_ref_common()
900 INIT_LIST_HEAD(&ref->add_list); in init_delayed_ref_common()
913 struct btrfs_delayed_tree_ref *ref; in btrfs_add_delayed_tree_ref() local
930 ref = kmem_cache_alloc(btrfs_delayed_tree_ref_cachep, GFP_NOFS); in btrfs_add_delayed_tree_ref()
931 if (!ref) in btrfs_add_delayed_tree_ref()
936 kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref); in btrfs_add_delayed_tree_ref()
944 kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref); in btrfs_add_delayed_tree_ref()
955 init_delayed_ref_common(fs_info, &ref->node, bytenr, num_bytes, in btrfs_add_delayed_tree_ref()
958 ref->root = generic_ref->tree_ref.owning_root; in btrfs_add_delayed_tree_ref()
959 ref->parent = parent; in btrfs_add_delayed_tree_ref()
960 ref->level = level; in btrfs_add_delayed_tree_ref()
977 ret = insert_delayed_ref(delayed_refs, head_ref, &ref->node); in btrfs_add_delayed_tree_ref()
986 trace_add_delayed_tree_ref(fs_info, &ref->node, ref, in btrfs_add_delayed_tree_ref()
990 kmem_cache_free(btrfs_delayed_tree_ref_cachep, ref); in btrfs_add_delayed_tree_ref()
1006 struct btrfs_delayed_data_ref *ref; in btrfs_add_delayed_data_ref() local
1022 ref = kmem_cache_alloc(btrfs_delayed_data_ref_cachep, GFP_NOFS); in btrfs_add_delayed_data_ref()
1023 if (!ref) in btrfs_add_delayed_data_ref()
1030 init_delayed_ref_common(fs_info, &ref->node, bytenr, num_bytes, in btrfs_add_delayed_data_ref()
1032 ref->root = ref_root; in btrfs_add_delayed_data_ref()
1033 ref->parent = parent; in btrfs_add_delayed_data_ref()
1034 ref->objectid = owner; in btrfs_add_delayed_data_ref()
1035 ref->offset = offset; in btrfs_add_delayed_data_ref()
1040 kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); in btrfs_add_delayed_data_ref()
1048 kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); in btrfs_add_delayed_data_ref()
1069 ret = insert_delayed_ref(delayed_refs, head_ref, &ref->node); in btrfs_add_delayed_data_ref()
1078 trace_add_delayed_data_ref(trans->fs_info, &ref->node, ref, in btrfs_add_delayed_data_ref()
1082 kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); in btrfs_add_delayed_data_ref()