BlockDev.ExtraArg

Fields

Name	Type	Access	Description
opt	str	r/w	extra option (command line option for most functions that allow extra options to be passed, e.g. “-L” to call mkfs.xfs -L)
val	str	r/w	value for opt, can be an empty string or None for options without parameter

Methods

class	list_free (args)
class	new (opt, val)
	copy ()
	free ()

Details

class BlockDev.ExtraArg

See BlockDev.ExtraArg.new() for an example on how to construct the extra args.

classmethod list_free(args)

Parameters:

args ([BlockDev.ExtraArg] or None) – A list of BlockDev.ExtraArg to free

Frees args and all its elements.

classmethod new(opt, val)

Parameters:

• opt (str) – extra option

• val (str) – value for the extra option opt

Returns:

a new extra argument

Return type:

BlockDev.ExtraArg

Example of calling BlockDev.fs_xfs_mkfs() with an extra argument. This will result in calling mkfs.xfs with -L label.

BDExtraArg label_arg = {"-L", "label"};
const BDExtraArg *extra_args[2] = {&label_arg, NULL};

ret = bd_fs_xfs_mkfs ("/dev/sda", extra_args, error);

copy()

Return type:

BlockDev.ExtraArg

Creates a new copy of self.

free()

Frees self.