New API: device-index.

This returns the index of the device, eg. /dev/sdb => 1.
Or you can think of it as the order that the device was
added, or the index of the device in guestfs_list_devices.

1 files changed, 14 insertions, 1 deletions

diff --git a/generator/generator_actions.ml b/generator/generator_actions.ml
index 7b2bd97f..f249991e 100644
--- a/generator/generator_actions.ml
+++ b/generator/generator_actions.ml
@@ -6062,7 +6062,7 @@ removes the partition number, returning the device name
 The named partition must exist, for example as a string returned
 from C<guestfs_list_partitions>.
 
-See also C<guestfs_part_to_partnum>.");
+See also C<guestfs_part_to_partnum>, C<guestfs_device_index>.");
 
   ("upload_offset", (RErr, [FileIn "filename"; Dev_or_Path "remotefilename"; Int64 "offset"], []), 273,
    [Progress; Cancellable],
@@ -7323,6 +7323,19 @@ different operation that turns free space in the filesystem
 into zeroes.  It is valid to call C<guestfs_fstrim> either
 instead of, or after calling C<guestfs_zero_free_space>.");
 
+  ("device_index", (RInt "index", [Device "device"], []), 335, [],
+   [InitEmpty, Always, TestOutputInt (
+      [["device_index"; "/dev/sda"]], 0)],
+   "convert device to index",
+   "\
+This function takes a device name (eg. \"/dev/sdb\") and
+returns the index of the device in the list of devices.
+
+Index numbers start from 0.  The named device must exist,
+for example as a string returned from C<guestfs_list_devices>.
+
+See also C<guestfs_list_devices>, C<guestfs_part_to_dev>.");
+
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions