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  • Christoph Hellwig's avatar
    xfstests: support post-udev device mapper nodes · 0a818862
    Christoph Hellwig authored
    
    
    Because of udevs complaining device mapper now creates /dev/dm-N as the real
    device nodes, and just symlinks the /dev/mapper/ names to it.  This would be
    easy if everything used the /dev/mapper clear names, but most system utilities
    translate them back to the /dev/mapper/ names and thus confuse various test
    cases.  Add support to _is_block_dev to read symlinks, and add documentation
    on how to run xfstests on device mapper volumes.
    
    Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
    Reviewed-by: default avatarAlex Elder <aelder@sgi.com>
    0a818862