[Libguestfs] [PATCH-v4 2/2] virt-format: erase the filesystem signatures before erase partitions

erase the filesystem signatures on each device, then erase the partitions, avoid to list all the partitions here. Signed-off-by: Wanlong Gao <gaowanlong(a)cn.fujitsu.com&gt; --- format/format.c | 19 ++++--------------- 1 files changed, 4 insertions(+), 15 deletions(-) diff --git a/format/format.c b/format/format.c index b3a47cd..6799fd4 100644 --- a/format/format.c +++ b/format/format.c @@ -323,22 +323,11 @@ do_format (void) /* Erase the disks. */ if (!wipe) { - char **parts; - - /* No wipe, but get rid of LVM metadata by erasing each partition. */ - parts = guestfs_list_partitions (g); - if (parts == NULL) - exit (EXIT_FAILURE); - - for (i = 0; parts[i] != NULL; ++i) { - if (guestfs_zero (g, parts[i]) == -1) - exit (EXIT_FAILURE); - free (parts[i]); - } - free (parts); - - /* Then erase the partition table on each device. */ for (i = 0; devices[i] != NULL; ++i) { + /* erase the filesystem signatures on each device */ + if (guestfs_wipefs (g, devices[i]) == -1) + exit (EXIT_FAILURE); + /* Then erase the partition table on each device. */ if (guestfs_zero (g, devices[i]) == -1) exit (EXIT_FAILURE); } -- 1.7.9