Spawn mdmon with --offroot if mdadm was launched with --offroot

[thirdparty/mdadm.git] / util.c

diff --git a/util.c b/util.c
index 6985a7076204f6b11cf2b617594d968025ca8307..4ba44e61fd84574a73ea2e63d62c2a10134dbcc6 100644 (file)
--- a/util.c
+++ b/util.c
@@ -32,6 +32,8 @@
 #include       <dirent.h>
 #include       <signal.h>
 
+int __offroot;
+
 /*
  * following taken from linux/blkpg.h because they aren't
  * anywhere else and it isn't safe to #include linux/ * stuff.
@@ -1622,10 +1624,17 @@ int start_mdmon(int devnum)
                                skipped = 0;
 
                for (i=0; paths[i]; i++)
-                       if (paths[i][0])
-                               execl(paths[i], "mdmon",
-                                     devnum2devname(devnum),
-                                     NULL);
+                       if (paths[i][0]) {
+                               if (__offroot) {
+                                       execl(paths[i], "mdmon", "--offroot",
+                                             devnum2devname(devnum),
+                                             NULL);
+                               } else {
+                                       execl(paths[i], "mdmon",
+                                             devnum2devname(devnum),
+                                             NULL);
+                               }
+                       }
                exit(1);
        case -1: fprintf(stderr, Name ": cannot run mdmon. "
                         "Array remains readonly\n");