Added 'fsck' command.

daemon/Makefile.am

@@ -30,6 +30,7 @@ guestfsd_SOURCES = \
 	dir.c \
 	ext2.c \
 	file.c \
+	fsck.c \
 	guestfsd.c \
 	ls.c \
 	lvm.c \

daemon/fsck.c

@@ -0,0 +1,45 @@
+/* libguestfs - the guestfsd daemon
+ * Copyright (C) 2009 Red Hat Inc. 
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "daemon.h"
+#include "actions.h"
+
+int
+do_fsck (const char *fstype, const char *device)
+{
+  char *err;
+  int r;
+
+  IS_DEVICE (device, -1);
+
+  r = commandr (NULL, &err, "fsck", "-a", "-t", fstype, device, NULL);
+  if (r == -1) {
+    reply_with_error ("fsck: %s: %s", device, err);
+    free (err);
+    return -1;
+  }
+
+  return r;
+}

src/generator.ml

@@ -1632,6 +1632,21 @@ to return the existing UUID of a filesystem.");
 This returns the ext2/3/4 filesystem UUID of the filesystem on
 C<device>.");
 
+  ("fsck", (RInt "status", [String "fstype"; String "device"]), 84, [],
+   [InitBasicFS, TestRun (
+      [["fsck"; "ext2"; "/dev/sda1"]])],
+   "run the filesystem checker",
+   "\
+This runs the filesystem checker (fsck) on C<device> which
+should have filesystem type C<fstype>.
+
+The returned integer is the status.  See L<fsck(8)> for the
+list of status codes from C<fsck>, and note that multiple
+status codes can be summed together.
+
+It is entirely equivalent to running C<fsck -a -t fstype device>.
+Note that checking or repairing NTFS volumes is not supported
+(by linux-ntfs).");
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions