From 2b0b548381c2872cc1d6ea0603632c0ee7cad211 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Tue, 1 Apr 2014 18:20:00 -0500
Subject: New toy fsfreeze, from Isaac Dunham, plus minor cleanups.

---
 toys/other/fsfreeze.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 toys/other/fsfreeze.c

(limited to 'toys/other/fsfreeze.c')

diff --git a/toys/other/fsfreeze.c b/toys/other/fsfreeze.c
new file mode 100644
index 00000000..f7b8a946
--- /dev/null
+++ b/toys/other/fsfreeze.c
@@ -0,0 +1,30 @@
+/* fsfreeze.c - freeze or thaw filesystem
+ *
+ * No standard.
+
+USE_FSFREEZE(NEWTOY(fsfreeze, "<1>1f|u|[!fu]", TOYFLAG_USR|TOYFLAG_SBIN))
+
+config FSFREEZE
+  bool "fsfreeze"
+  default y
+  help
+    usage: fsfreeze {-f | -u} MOUNTPOINT
+
+    Freeze or unfreeze a filesystem.
+
+    -f	freeze
+    -u	unfreeze
+*/
+
+#define FOR_fsfreeze
+#include "toys.h"
+#include <linux/fs.h>
+
+void fsfreeze_main(void)
+{
+  int fd = xopen(*toys.optargs, O_RDONLY); 
+  long p = 1;
+
+  xioctl(fd, (toys.optflags & FLAG_f) ? FIFREEZE : FITHAW, &p);
+  xclose(fd);
+}
-- 
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