nbd_get_request_block_size(3)

okay bestie, welcome to the nbd_get_request_block_size(3) page from the LIBNBD manual — it's giving “tiny function, big block-size energy,” and we're gonna get into it 💅

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💖 NAME 💖

nbd_get_request_block_size - see if NBD_OPT_GO requests block size.

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✨ SYNOPSIS ✨

the C summoning circle, exactly as the manual says:

#include <libnbd.h>

int nbd_get_request_block_size (
      struct nbd_handle *h
    );

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🦋 DESCRIPTION 🦋

this one is literally: Return the state of the block size request flag on this handle. that's the whole plot — no side quests, no cap 🫶

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🌸 RETURN VALUE 🌸

This call returns a boolean value. yes bestie, it's a yes/no situation.

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🎀 ERRORS 🎀

On error -1 is returned.

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

🚨 The following parameters must not be NULL: "h". For more information see "Non-NULL parameters" in libnbd(3).

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🔥 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

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🌈 SEE ALSO 🌈

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

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👑 AUTHORS 👑

give it up for:

• Eric Blake
• Richard W.M. Jones

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💜 COPYRIGHT 💜

Copyright Red Hat

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🧚 LICENSE 🧚

legal text, verbatim because we respect the 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

okay that's the whole page, bestie — source/version: libnbd-1.25.8, date: 2026-10-13. bye and slay 💋✨