btrfs-show-super man page on Alpinelinux

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BTRFS-SHOW-SUPER(8)		 Btrfs Manual		   BTRFS-SHOW-SUPER(8)

NAME
       btrfs-show-super - show btrfs superblock information stored in devices

SYNOPSIS
       btrfs-show-super [options] <dev> [<dev>...]

DESCRIPTION
       btrfs-show-super is used to print the information of superblock, you
       can specify which mirror to print out.

       By default, every device’s first superblock will be printed out.

       Mainly used for debug purpose.

OPTIONS
       -a
	   Print all the superblock information.

	   If this option is given, -i option will be ignored.

       -i <super_mirror>
	   Specify which mirror to print out.

	   <super_mirror> is between 0 and 2. If several -i <super_mirror> are
	   given, only the last one is valid.

EXIT STATUS
       btrfs-show-super will return 0 if no error happened. If any problems
       happened, 1 will be returned.

AUTHOR
       Written by Shilong Wang and Wenruo Qu.

COPYRIGHT
       Copyright © 2013 FUJITSU LIMITED.

       License GPLv2: GNU GPL version 2 http://gnu.org/licenses/gpl.html.

       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       mkfs.btrfs(8)

Btrfs v3.14.2			  05/30/2014		   BTRFS-SHOW-SUPER(8)
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