Support for Linux software suspend partitions.
*)
-open Diskimage_utils
+open Diskimage_impl
open Int63.Operators
-let plugin_id = "linux_swsuspend"
+let id = "linux_swsuspend"
let blocksize = ~^4096 (* XXX *)
-let probe dev =
+let rec probe dev =
(* Load the "superblock" (ie. first 0x1000 bytes). *)
let bits = dev#read_bitstring ~^0 ~^0x1000 in
let fs_dev = new blocksize_overlay blocksize dev in
{
- fs_plugin_id = plugin_id;
+ fs_cb = callbacks ();
fs_dev = fs_dev;
fs_blocksize = blocksize;
| { _ } ->
raise Not_found (* Not Linux software suspend. *)
+
+(* Linux software suspend image is never free.
+ * Compare diskimage_linux_swap.ml
+ *)
+and offset_is_free _ _ = false
+
+and callbacks =
+ let i = ref 0 in
+ fun () -> {
+ fs_cb_uq = (incr i; !i);
+ fs_cb_name = id;
+ fs_cb_printable_name = "Linux s/w suspend";
+ fs_cb_offset_is_free = offset_is_free;
+ }
+
+(* Register the plugin. *)
+let () = register_plugin ~filesystem:probe id