118 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_lookup_extent_info()  local
199 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_lookup_extent_info()
200 	spin_lock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
201 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in btrfs_lookup_extent_info()
205 			spin_unlock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
228 	spin_unlock(&delayed_refs->lock);  in btrfs_lookup_extent_info()
1714 static void unselect_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs,  in unselect_delayed_ref_head()  argument
1717 	spin_lock(&delayed_refs->lock);  in unselect_delayed_ref_head()
1719 	delayed_refs->num_heads_ready++;  in unselect_delayed_ref_head()
1720 	spin_unlock(&delayed_refs->lock);  in unselect_delayed_ref_head()
1757 				  struct btrfs_delayed_ref_root *delayed_refs,  in btrfs_cleanup_ref_head_accounting()  argument
1767 		spin_lock(&delayed_refs->lock);  in btrfs_cleanup_ref_head_accounting()
1768 		delayed_refs->pending_csums -= head->num_bytes;  in btrfs_cleanup_ref_head_accounting()
1769 		spin_unlock(&delayed_refs->lock);  in btrfs_cleanup_ref_head_accounting()
1794 	struct btrfs_delayed_ref_root *delayed_refs;  in cleanup_ref_head()  local
1797 	delayed_refs = &trans->transaction->delayed_refs;  in cleanup_ref_head()
1801 		unselect_delayed_ref_head(delayed_refs, head);  in cleanup_ref_head()
1813 	spin_lock(&delayed_refs->lock);  in cleanup_ref_head()
1817 		spin_unlock(&delayed_refs->lock);  in cleanup_ref_head()
1820 	btrfs_delete_ref_head(delayed_refs, head);  in cleanup_ref_head()
1822 	spin_unlock(&delayed_refs->lock);  in cleanup_ref_head()
1832 	btrfs_cleanup_ref_head_accounting(fs_info, delayed_refs, head);  in cleanup_ref_head()
1843 	struct btrfs_delayed_ref_root *delayed_refs =  in btrfs_obtain_ref_head()  local
1844 		&trans->transaction->delayed_refs;  in btrfs_obtain_ref_head()
1848 	spin_lock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1849 	head = btrfs_select_ref_head(delayed_refs);  in btrfs_obtain_ref_head()
1851 		spin_unlock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1859 	ret = btrfs_delayed_ref_lock(delayed_refs, head);  in btrfs_obtain_ref_head()
1860 	spin_unlock(&delayed_refs->lock);  in btrfs_obtain_ref_head()
1878 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_run_delayed_refs_for_head()  local
1884 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_run_delayed_refs_for_head()
1893 			unselect_delayed_ref_head(delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1918 		atomic_dec(&delayed_refs->num_entries);  in btrfs_run_delayed_refs_for_head()
1936 			unselect_delayed_ref_head(delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1947 		btrfs_merge_delayed_refs(trans, delayed_refs, locked_ref);  in btrfs_run_delayed_refs_for_head()
1961 	struct btrfs_delayed_ref_root *delayed_refs;  in __btrfs_run_delayed_refs()  local
1968 	delayed_refs = &trans->transaction->delayed_refs;  in __btrfs_run_delayed_refs()
1994 		btrfs_merge_delayed_refs(trans, delayed_refs, locked_ref);  in __btrfs_run_delayed_refs()
2041 		spin_lock(&delayed_refs->lock);  in __btrfs_run_delayed_refs()
2044 		spin_unlock(&delayed_refs->lock);  in __btrfs_run_delayed_refs()
2126 	struct btrfs_delayed_ref_root *delayed_refs;  in btrfs_run_delayed_refs()  local
2138 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_run_delayed_refs()
2140 		count = atomic_read(&delayed_refs->num_entries) * 2;  in btrfs_run_delayed_refs()
2144 	delayed_refs->run_delayed_start = find_middle(&delayed_refs->root);  in btrfs_run_delayed_refs()
2155 		spin_lock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2156 		node = rb_first_cached(&delayed_refs->href_root);  in btrfs_run_delayed_refs()
2158 			spin_unlock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2164 		spin_unlock(&delayed_refs->lock);  in btrfs_run_delayed_refs()
2208 	struct btrfs_delayed_ref_root *delayed_refs;  in check_delayed_ref()  local
2221 	delayed_refs = &cur_trans->delayed_refs;  in check_delayed_ref()
2222 	spin_lock(&delayed_refs->lock);  in check_delayed_ref()
2223 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in check_delayed_ref()
2225 		spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
2232 		spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
2246 	spin_unlock(&delayed_refs->lock);  in check_delayed_ref()
3265 	struct btrfs_delayed_ref_root *delayed_refs;  in check_ref_cleanup()  local
3268 	delayed_refs = &trans->transaction->delayed_refs;  in check_ref_cleanup()
3269 	spin_lock(&delayed_refs->lock);  in check_ref_cleanup()
3270 	head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);  in check_ref_cleanup()
3288 	btrfs_delete_ref_head(delayed_refs, head);  in check_ref_cleanup()
3292 	spin_unlock(&delayed_refs->lock);  in check_ref_cleanup()
3298 	btrfs_cleanup_ref_head_accounting(trans->fs_info, delayed_refs, head);  in check_ref_cleanup()
3306 	spin_unlock(&delayed_refs->lock);  in check_ref_cleanup()