From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 22 Nov 2010 20:06:38 +0000 (+0100)
Subject: swap: order file-based swap devices after remount-rootfs
X-Git-Tag: v14~11
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=cfcfd4aefe2141d324f51033057674d9f1171ef3;hp=16f6682d0b74f3f1f29ef71aa10d20b36e10b48c

swap: order file-based swap devices after remount-rootfs
---

diff --git a/src/special.h b/src/special.h
index efd792d19..df1e1fa41 100644
--- a/src/special.h
+++ b/src/special.h
@@ -65,6 +65,7 @@
 #define SPECIAL_DBUS_SOCKET "dbus.socket"
 #define SPECIAL_GETTY_TARGET "getty.target"
 #define SPECIAL_SERIAL_GETTY_SERVICE "serial-getty@.service"
+#define SPECIAL_REMOUNT_ROOTFS_SERVICE "remount-rootfs.service"
 
 #ifndef SPECIAL_SYSLOG_SERVICE
 #define SPECIAL_SYSLOG_SERVICE "syslog.service"
diff --git a/src/swap.c b/src/swap.c
index ec9f157b1..0d3cb2f40 100644
--- a/src/swap.c
+++ b/src/swap.c
@@ -199,9 +199,15 @@ static int swap_add_device_links(Swap *s) {
         else
                 return 0;
 
-        return unit_add_node_link(UNIT(s), s->what,
-                                  !p->noauto && p->nofail &&
-                                  s->meta.manager->running_as == MANAGER_SYSTEM);
+        if (is_device_path(s->what))
+                return unit_add_node_link(UNIT(s), s->what,
+                                          !p->noauto && p->nofail &&
+                                          s->meta.manager->running_as == MANAGER_SYSTEM);
+        else
+                /* File based swap devices need to be ordered after
+                 * remount-rootfs.service, since they might need a
+                 * writable file system. */
+                return unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, SPECIAL_REMOUNT_ROOTFS_SERVICE, NULL, true);
 }
 
 static int swap_add_default_dependencies(Swap *s) {