diff --git a/builtin/gc.c b/builtin/gc.c
index b315b2ad58..fe35b10fe9 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -92,7 +92,7 @@ static void process_log_file(void)
 		 */
 		int saved_errno = errno;
 		fprintf(stderr, _("Failed to fstat %s: %s"),
-			get_tempfile_path(log_lock.tempfile),
+			get_lock_file_path(&log_lock),
 			strerror(saved_errno));
 		fflush(stderr);
 		commit_lock_file(&log_lock);
@@ -1953,11 +1953,11 @@ static int update_background_schedule(int enable)
 		return error(_("another process is scheduling background maintenance"));
 
 	if (!strcmp(scheduler, "launchctl"))
-		result = launchctl_update_schedule(enable, lk.tempfile->fd, cmd);
+		result = launchctl_update_schedule(enable, get_lock_file_fd(&lk), cmd);
 	else if (!strcmp(scheduler, "schtasks"))
-		result = schtasks_update_schedule(enable, lk.tempfile->fd, cmd);
+		result = schtasks_update_schedule(enable, get_lock_file_fd(&lk), cmd);
 	else if (!strcmp(scheduler, "crontab"))
-		result = crontab_update_schedule(enable, lk.tempfile->fd, cmd);
+		result = crontab_update_schedule(enable, get_lock_file_fd(&lk), cmd);
 	else
 		die("unknown background scheduler: %s", scheduler);
 
diff --git a/commit-graph.c b/commit-graph.c
index e9124d4a41..f3486ec18f 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -1694,8 +1694,8 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 	} else {
 		hold_lock_file_for_update_mode(&lk, ctx->graph_name,
 					       LOCK_DIE_ON_ERROR, 0444);
-		fd = lk.tempfile->fd;
-		f = hashfd(lk.tempfile->fd, lk.tempfile->filename.buf);
+		fd = get_lock_file_fd(&lk);
+		f = hashfd(fd, get_lock_file_path(&lk));
 	}
 
 	chunks[0].id = GRAPH_CHUNKID_OIDFANOUT;
@@ -1833,7 +1833,7 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
 		result = rename(ctx->graph_name, final_graph_name);
 
 		for (i = 0; i < ctx->num_commit_graphs_after; i++)
-			fprintf(lk.tempfile->fp, "%s\n", ctx->commit_graph_hash_after[i]);
+			fprintf(get_lock_file_fp(&lk), "%s\n", ctx->commit_graph_hash_after[i]);
 
 		if (result) {
 			error(_("failed to rename temporary commit-graph file"));
diff --git a/midx.c b/midx.c
index f9d9b832bb..05c40a98e0 100644
--- a/midx.c
+++ b/midx.c
@@ -918,7 +918,7 @@ static int write_midx_internal(const char *object_dir, struct multi_pack_index *
 					(pack_name_concat_len % MIDX_CHUNK_ALIGNMENT);
 
 	hold_lock_file_for_update(&lk, midx_name, LOCK_DIE_ON_ERROR);
-	f = hashfd(lk.tempfile->fd, lk.tempfile->filename.buf);
+	f = hashfd(get_lock_file_fd(&lk), get_lock_file_path(&lk));
 	FREE_AND_NULL(midx_name);
 
 	if (packs.m)
diff --git a/read-cache.c b/read-cache.c
index ecf6f68994..29144cf879 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -3014,10 +3014,10 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
 	if (ce_flush(&c, newfd, istate->oid.hash))
 		return -1;
 	if (close_tempfile_gently(tempfile)) {
-		error(_("could not close '%s'"), tempfile->filename.buf);
+		error(_("could not close '%s'"), get_tempfile_path(tempfile));
 		return -1;
 	}
-	if (stat(tempfile->filename.buf, &st))
+	if (stat(get_tempfile_path(tempfile), &st))
 		return -1;
 	istate->timestamp.sec = (unsigned int)st.st_mtime;
 	istate->timestamp.nsec = ST_MTIME_NSEC(st);
@@ -3058,10 +3058,10 @@ static int do_write_locked_index(struct index_state *istate, struct lock_file *l
 	 * that is associated with the given "istate".
 	 */
 	trace2_region_enter_printf("index", "do_write_index", the_repository,
-				   "%s", lock->tempfile->filename.buf);
+				   "%s", get_lock_file_path(lock));
 	ret = do_write_index(istate, lock->tempfile, 0);
 	trace2_region_leave_printf("index", "do_write_index", the_repository,
-				   "%s", lock->tempfile->filename.buf);
+				   "%s", get_lock_file_path(lock));
 
 	if (ret)
 		return ret;
@@ -3158,10 +3158,10 @@ static int write_shared_index(struct index_state *istate,
 	move_cache_to_base_index(istate);
 
 	trace2_region_enter_printf("index", "shared/do_write_index",
-				   the_repository, "%s", (*temp)->filename.buf);
+				   the_repository, "%s", get_tempfile_path(*temp));
 	ret = do_write_index(si->base, *temp, 1);
 	trace2_region_leave_printf("index", "shared/do_write_index",
-				   the_repository, "%s", (*temp)->filename.buf);
+				   the_repository, "%s", get_tempfile_path(*temp));
 
 	if (ret)
 		return ret;
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 04e85e7002..4fdc68810b 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1824,12 +1824,12 @@ static int create_symref_locked(struct files_ref_store *refs,
 
 	if (!fdopen_lock_file(&lock->lk, "w"))
 		return error("unable to fdopen %s: %s",
-			     lock->lk.tempfile->filename.buf, strerror(errno));
+			     get_lock_file_path(&lock->lk), strerror(errno));
 
 	update_symref_reflog(refs, lock, refname, target, logmsg);
 
 	/* no error check; commit_ref will check ferror */
-	fprintf(lock->lk.tempfile->fp, "ref: %s\n", target);
+	fprintf(get_lock_file_fp(&lock->lk), "ref: %s\n", target);
 	if (commit_ref(lock) < 0)
 		return error("unable to write symref for %s: %s", refname,
 			     strerror(errno));