120 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_lookup_extent_info()  local
201 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_lookup_extent_info()
202 	spin_lock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
203 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in btrfs_lookup_extent_info()
207 			spin_unlock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
230 	spin_unlock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
1748 static void unselect_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs,  in unselect_delayed_ref_head()  argument
1751 	spin_lock(&delayed_refs->lock);  in unselect_delayed_ref_head()
1753 	delayed_refs->num_heads_ready++;  in unselect_delayed_ref_head()
1754 	spin_unlock(&delayed_refs->lock);  in unselect_delayed_ref_head()
1791 				  struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_cleanup_ref_head_accounting()  argument
1801 		spin_lock(&delayed_refs->lock);  in btrfs_cleanup_ref_head_accounting()
1802 		delayed_refs->pending_csums -= head->num_bytes;  in btrfs_cleanup_ref_head_accounting()
1803 		spin_unlock(&delayed_refs->lock);  in btrfs_cleanup_ref_head_accounting()
1815 	struct btrfs_delayed_ref_root *delayed_refs;  in cleanup_ref_head()  local
1818 	delayed_refs = &trans->transaction->delayed_refs;  in cleanup_ref_head()
1822 		unselect_delayed_ref_head(delayed_refs, head);  in cleanup_ref_head()
1834 	spin_lock(&delayed_refs->lock);  in cleanup_ref_head()
1838 		spin_unlock(&delayed_refs->lock);  in cleanup_ref_head()
1841 	btrfs_delete_ref_head(delayed_refs, head);  in cleanup_ref_head()
1843 	spin_unlock(&delayed_refs->lock);  in cleanup_ref_head()
1853 	btrfs_cleanup_ref_head_accounting(fs_info, delayed_refs, head);  in cleanup_ref_head()
1864 	struct btrfs_delayed_ref_root *delayed_refs =  in btrfs_obtain_ref_head()  local
1865 		&trans->transaction->delayed_refs;  in btrfs_obtain_ref_head()
1869 	spin_lock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1870 	head = btrfs_select_ref_head(delayed_refs);  in btrfs_obtain_ref_head()
1872 		spin_unlock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1880 	ret = btrfs_delayed_ref_lock(delayed_refs, head);  in btrfs_obtain_ref_head()
1881 	spin_unlock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1899 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_run_delayed_refs_for_head()  local
1905 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_run_delayed_refs_for_head()
1914 			unselect_delayed_ref_head(delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1939 		atomic_dec(&delayed_refs->num_entries);  in btrfs_run_delayed_refs_for_head()
1957 			unselect_delayed_ref_head(delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1968 		btrfs_merge_delayed_refs(trans, delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1982 	struct btrfs_delayed_ref_root *delayed_refs;  in __btrfs_run_delayed_refs()  local
1989 	delayed_refs = &trans->transaction->delayed_refs;  in __btrfs_run_delayed_refs()
2015 		btrfs_merge_delayed_refs(trans, delayed_refs, locked_ref);  in __btrfs_run_delayed_refs()
2062 		spin_lock(&delayed_refs->lock);  in __btrfs_run_delayed_refs()
2065 		spin_unlock(&delayed_refs->lock);  in __btrfs_run_delayed_refs()
2128 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_run_delayed_refs()  local
2140 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_run_delayed_refs()
2142 		count = delayed_refs->num_heads_ready;  in btrfs_run_delayed_refs()
2146 	delayed_refs->run_delayed_start = find_middle(&delayed_refs->root);  in btrfs_run_delayed_refs()
2157 		spin_lock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2158 		node = rb_first_cached(&delayed_refs->href_root);  in btrfs_run_delayed_refs()
2160 			spin_unlock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2166 		spin_unlock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2210 	struct btrfs_delayed_ref_root *delayed_refs;  in check_delayed_ref()  local
2223 	delayed_refs = &cur_trans->delayed_refs;  in check_delayed_ref()
2224 	spin_lock(&delayed_refs->lock);  in check_delayed_ref()
2225 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in check_delayed_ref()
2227 		spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
2234 		spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
2248 	spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
3235 	struct btrfs_delayed_ref_root *delayed_refs;  in check_ref_cleanup()  local
3238 	delayed_refs = &trans->transaction->delayed_refs;  in check_ref_cleanup()
3239 	spin_lock(&delayed_refs->lock);  in check_ref_cleanup()
3240 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in check_ref_cleanup()
3258 	btrfs_delete_ref_head(delayed_refs, head);  in check_ref_cleanup()
3262 	spin_unlock(&delayed_refs->lock);  in check_ref_cleanup()
3268 	btrfs_cleanup_ref_head_accounting(trans->fs_info, delayed_refs, head);  in check_ref_cleanup()
3276 	spin_unlock(&delayed_refs->lock);  in check_ref_cleanup()