printf ("%-20s %s\n", "vgs-full", "list the LVM volume groups (VGs)");
printf ("%-20s %s\n", "write-file", "create a file");
printf ("%-20s %s\n", "zero", "write zeroes to the device");
+ printf ("%-20s %s\n", "zerofree", "zero unused inodes and disk blocks on ext2/3 filesystem");
printf (" Use -h <cmd> / help <cmd> to show detailed help for a command.\n");
}
if (strcasecmp (cmd, "hexdump") == 0)
pod2text ("hexdump - dump a file in hexadecimal", " hexdump <path>\n\nThis runs C<hexdump -C> on the given C<path>. The result is\nthe human-readable, canonical hex dump of the file.\n\nBecause of the message protocol, there is a transfer limit \nof somewhere between 2MB and 4MB. To transfer large files you should use\nFTP.");
else
+ if (strcasecmp (cmd, "zerofree") == 0)
+ pod2text ("zerofree - zero unused inodes and disk blocks on ext2/3 filesystem", " zerofree <device>\n\nThis runs the I<zerofree> program on C<device>. This program\nclaims to zero unused inodes and disk blocks on an ext2/3\nfilesystem, thus making it possible to compress the filesystem\nmore effectively.\n\nYou should B<not> run this program if the filesystem is\nmounted.\n\nIt is possible that using this program can damage the filesystem\nor data on the filesystem.");
+ else
display_builtin_command (cmd);
}
return 0;
}
+static int run_zerofree (const char *cmd, int argc, char *argv[])
+{
+ int r;
+ const char *device;
+ if (argc != 1) {
+ fprintf (stderr, "%s should have 1 parameter(s)\n", cmd);
+ fprintf (stderr, "type 'help %s' for help on %s\n", cmd, cmd);
+ return -1;
+ }
+ device = argv[0];
+ r = guestfs_zerofree (g, device);
+ return r;
+}
+
int run_action (const char *cmd, int argc, char *argv[])
{
if (strcasecmp (cmd, "launch") == 0 || strcasecmp (cmd, "run") == 0)
if (strcasecmp (cmd, "hexdump") == 0)
return run_hexdump (cmd, argc, argv);
else
+ if (strcasecmp (cmd, "zerofree") == 0)
+ return run_zerofree (cmd, argc, argv);
+ else
{
fprintf (stderr, "%s: unknown command\n", cmd);
return -1;