Change XFS partition size

From: beeslack (fogli_beppe_at_libero.it)
Date: 11/26/03

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    Date: 26 Nov 2003 01:44:23 -0800

    How can I change the size of a partition with XFS file system?

    I'm using Slackware 9.1 + 2.4.22-xfs kernel (+ xfs modules).
    My HD structure is

    hda1 NTFS ~18GB
    hda2 FAT32 ~0.7GB
    hda3 extended
     hda5 XFS ~0.7GB mounted as /home
     hda6 XFS ~4.5GB mounted as / (1146631 blocks)
     Free space ~4.5GB
     hda7 Swap space ~0.4GB

    I want to change hda6 partition ( / ) size from 4.5GB to 5GB using
    free space that follow.
    I tried xfs_growfs:

    1. To add 500MB ==> 128000 blocks (hda6 block size = 4096)
    $> xfs_growfs -D 128000 /
    It complain about new size too small.

    2. So I thought
    original_size_in_blocks + space_to_add_in_blocks = 1146631 + 128000 =
    1274631

    $> xfs_growfs -D 1274631 /
    It complain about new size too big!!!

    How xfs_growfs work?
    Is there another way to do this task?

    Thanks to all.

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