[Libguestfs] [PATCH v3.1 6/9] New API: set_e2uuid_random

[Chen Hanxiao]

Signed-off-by: Chen Hanxiao <chenhanxiao at cn.fujitsu.com>
---
 daemon/daemon.h |  1 +
 daemon/ext2.c   | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/daemon/daemon.h b/daemon/daemon.h
index 5087327..9c8476c 100644
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -219,6 +219,7 @@ extern int sync_disks (void);
 /* Confirmed this is true up to ext4 from the Linux sources. */
 #define EXT2_LABEL_MAX 16
 extern int fstype_is_extfs (const char *fstype);
+extern int set_e2uuid_random (const char *device);
 
 /*-- in blkid.c --*/
 extern char *get_blkid_tag (const char *device, const char *tag);
diff --git a/daemon/ext2.c b/daemon/ext2.c
index 8ef6d5f..625e5ae 100644
--- a/daemon/ext2.c
+++ b/daemon/ext2.c
@@ -159,6 +159,21 @@ do_set_e2uuid (const char *device, const char *uuid)
   return 0;
 }
 
+int
+set_e2uuid_random (const char *device)
+{
+  int r;
+  CLEANUP_FREE char *err = NULL;
+
+  r = command (NULL, &err, str_tune2fs, "-U", "random", device, NULL);
+  if (r == -1) {
+    reply_with_error ("%s", err);
+    return -1;
+  }
+
+  return 0;
+}
+
 char *
 do_get_e2uuid (const char *device)
 {
-- 
2.1.0