path: root/Documentation/btrfs-show-super.asciidoc
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authorDavid Sterba <>2016-03-10 16:51:53 +0100
committerDavid Sterba <>2016-03-15 17:27:34 +0100
commit80414d69398e39b81bfd899f1015767a18909b94 (patch)
tree728260dcd94ae592e0989fe77bf14832c986486e /Documentation/btrfs-show-super.asciidoc
parent7aedf5067b7596ba351a02a03f0fb5e434f69389 (diff)
btrfs-progs: remove btrfs-show-super manual page and point to inspect-internal
Signed-off-by: David Sterba <>
Diffstat (limited to 'Documentation/btrfs-show-super.asciidoc')
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diff --git a/Documentation/btrfs-show-super.asciidoc b/Documentation/btrfs-show-super.asciidoc
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-btrfs-show-super - show btrfs superblock information stored in devices
-*btrfs-show-super* [options] <dev> [<dev>...]
-*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.
-Print full superblock information.
-Including the system chunk array and backup roots.
-Print information of all superblocks.
-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.
-Attempt to print the superblock even if no superblock magic is found. May end
--s <bytenr>::
-specify offset to a superblock in a non-standard location at 'bytenr', useful
-for debugging (disables the '-f' option)
-*btrfs-show-super* will return 0 if no error happened.
-If any problems happened, 1 will be returned.