filesystem, init: allow systemd to create pstore dirs

Signed-off-by: Kenton Groombridge <me@concord.sh>

policy/modules/kernel/filesystem.if

@@ -3868,6 +3868,25 @@ interface(`fs_getattr_pstore_dirs',`
 	dev_search_sysfs($1)
 ')
 
+########################################
+## <summary>
+##	Create pstore directories.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`fs_create_pstore_dirs',`
+	gen_require(`
+		type pstore_t;
+	')
+
+	create_dirs_pattern($1, pstore_t, pstore_t)
+	dev_search_sysfs($1)
+')
+
 ########################################
 ## <summary>
 ##     Relabel to/from pstore_t directories.

policy/modules/system/init.te

@@ -441,6 +441,7 @@ ifdef(`init_systemd',`
 	# mount-setup
 	fs_unmount_autofs(init_t)
 	fs_getattr_pstore_dirs(init_t)
+	fs_create_pstore_dirs(init_t)
 	# for network namespaces
 	fs_read_nsfs_files(init_t)