NAME

nbd_get_request_block_size - see if NBD_OPT_GO requests block size

SYNOPSIS

 #include <libnbd.h>

 int nbd_get_request_block_size (struct nbd_handle *h);

DESCRIPTION

Return the state of the block size request flag on this handle.

RETURN VALUE

This call returns a boolean value.

ERRORS

On error -1 is returned.

Refer to "ERROR HANDLING" in libnbd(3) for how to get further details of the error.

VERSION

This function first appeared in libnbd 1.12.

If you need to test if this function is available at compile time check if the following macro is defined:

 #define LIBNBD_HAVE_NBD_GET_REQUEST_BLOCK_SIZE 1

SEE ALSO

nbd_create(3), nbd_set_request_block_size(3), libnbd(3).

AUTHORS

Eric Blake

Richard W.M. Jones

COPYRIGHT

Copyright (C) 2019-2021 Red Hat Inc.

LICENSE

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA