Add support for zerofree command.

3 files changed, 27 insertions, 0 deletions

diff --git a/ocaml/guestfs.ml b/ocaml/guestfs.ml
index 2544b16b..3886022d 100644
--- a/ocaml/guestfs.ml
+++ b/ocaml/guestfs.ml
@@ -235,3 +235,4 @@ external equal : t -> string -> string -> bool = "ocaml_guestfs_equal"
 external strings : t -> string -> string array = "ocaml_guestfs_strings"
 external strings_e : t -> string -> string -> string array = "ocaml_guestfs_strings_e"
 external hexdump : t -> string -> string = "ocaml_guestfs_hexdump"
+external zerofree : t -> string -> unit = "ocaml_guestfs_zerofree"
diff --git a/ocaml/guestfs.mli b/ocaml/guestfs.mli
index 870ffb69..3776abe7 100644
--- a/ocaml/guestfs.mli
+++ b/ocaml/guestfs.mli
@@ -484,3 +484,6 @@ val strings_e : t -> string -> string -> string array
 val hexdump : t -> string -> string
 (** dump a file in hexadecimal *)
 
+val zerofree : t -> string -> unit
+(** zero unused inodes and disk blocks on ext2/3 filesystem *)
+
diff --git a/ocaml/guestfs_c_actions.c b/ocaml/guestfs_c_actions.c
index 22e65008..79a5c16f 100644
--- a/ocaml/guestfs_c_actions.c
+++ b/ocaml/guestfs_c_actions.c
@@ -3178,3 +3178,26 @@ ocaml_guestfs_hexdump (value gv, value pathv)
   CAMLreturn (rv);
 }
 
+CAMLprim value
+ocaml_guestfs_zerofree (value gv, value devicev)
+{
+  CAMLparam2 (gv, devicev);
+  CAMLlocal1 (rv);
+
+  guestfs_h *g = Guestfs_val (gv);
+  if (g == NULL)
+    caml_failwith ("zerofree: used handle after closing it");
+
+  const char *device = String_val (devicev);
+  int r;
+
+  caml_enter_blocking_section ();
+  r = guestfs_zerofree (g, device);
+  caml_leave_blocking_section ();
+  if (r == -1)
+    ocaml_guestfs_raise_error (g, "zerofree");
+
+  rv = Val_unit;
+  CAMLreturn (rv);
+}
+