bring back fsync_parent_dir

ntuhpc · Oct 18, 2019 · b2007be · b2007be
1 parent 8f123fb
commit b2007be
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/gensignkey.c b/gensignkey.c
@@ -152,6 +152,10 @@ int signkey_generate(enum signkey_type keytype, int bits, const char* filename,
 		}
 	}
 
+	/* ensure directory update is flushed to disk, otherwise we can end up
+	with zero-byte hostkey files if the power goes off */
+	fsync_parent_dir(filename);
+
 out:
 	if (buf) {
 		buf_burn(buf);