fs/btrfs/extent-tree.c

107 	struct btrfs_delayed_ref_root *delayed_refs;
194 	delayed_refs = &trans->transaction->delayed_refs;
195 	spin_lock(&delayed_refs->lock);
196 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);
200 			spin_unlock(&delayed_refs->lock);
223 	spin_unlock(&delayed_refs->lock);
1841 static void unselect_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs,
1844 	spin_lock(&delayed_refs->lock);
1846 	delayed_refs->num_heads_ready++;
1847 	spin_unlock(&delayed_refs->lock);
1884 				  struct btrfs_delayed_ref_root *delayed_refs,
1896 		spin_lock(&delayed_refs->lock);
1897 		delayed_refs->pending_csums -= head->num_bytes;
1898 		spin_unlock(&delayed_refs->lock);
1918 	struct btrfs_delayed_ref_root *delayed_refs;
1921 	delayed_refs = &trans->transaction->delayed_refs;
1925 		unselect_delayed_ref_head(delayed_refs, head);
1937 	spin_lock(&delayed_refs->lock);
1941 		spin_unlock(&delayed_refs->lock);
1944 	btrfs_delete_ref_head(delayed_refs, head);
1946 	spin_unlock(&delayed_refs->lock);
1959 	*bytes_released += btrfs_cleanup_ref_head_accounting(fs_info, delayed_refs, head);
1970 	struct btrfs_delayed_ref_root *delayed_refs =
1971 		&trans->transaction->delayed_refs;
1975 	spin_lock(&delayed_refs->lock);
1976 	head = btrfs_select_ref_head(delayed_refs);
1978 		spin_unlock(&delayed_refs->lock);
1986 	ret = btrfs_delayed_ref_lock(delayed_refs, head);
1987 	spin_unlock(&delayed_refs->lock);
2005 	struct btrfs_delayed_ref_root *delayed_refs;
2011 	delayed_refs = &trans->transaction->delayed_refs;
2020 			unselect_delayed_ref_head(delayed_refs, locked_ref);
2043 		atomic_dec(&delayed_refs->num_entries);
2069 			unselect_delayed_ref_head(delayed_refs, locked_ref);
2078 		btrfs_merge_delayed_refs(fs_info, delayed_refs, locked_ref);
2092 	struct btrfs_delayed_ref_root *delayed_refs;
2099 	delayed_refs = &trans->transaction->delayed_refs;
2101 		max_count = delayed_refs->num_heads_ready;
2130 		btrfs_merge_delayed_refs(fs_info, delayed_refs, locked_ref);
2229 	struct btrfs_delayed_ref_root *delayed_refs;
2239 	delayed_refs = &trans->transaction->delayed_refs;
2242 	delayed_refs->run_delayed_start = find_middle(&delayed_refs->root);
2253 		spin_lock(&delayed_refs->lock);
2254 		if (RB_EMPTY_ROOT(&delayed_refs->href_root.rb_root)) {
2255 			spin_unlock(&delayed_refs->lock);
2258 		spin_unlock(&delayed_refs->lock);
2296 	struct btrfs_delayed_ref_root *delayed_refs;
2309 	delayed_refs = &cur_trans->delayed_refs;
2310 	spin_lock(&delayed_refs->lock);
2311 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);
2313 		spin_unlock(&delayed_refs->lock);
2320 			spin_unlock(&delayed_refs->lock);
2326 		spin_unlock(&delayed_refs->lock);
2340 	spin_unlock(&delayed_refs->lock);
3410 	struct btrfs_delayed_ref_root *delayed_refs;
3413 	delayed_refs = &trans->transaction->delayed_refs;
3414 	spin_lock(&delayed_refs->lock);
3415 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);
3433 	btrfs_delete_ref_head(delayed_refs, head);
3437 	spin_unlock(&delayed_refs->lock);
3443 	btrfs_cleanup_ref_head_accounting(trans->fs_info, delayed_refs, head);
3451 	spin_unlock(&delayed_refs->lock);