btrfsck man page on Manjaro

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BTRFSCK(8)							    BTRFSCK(8)

       btrfsck - check and repair of a Btrfs filesystem

       btrfsck [options] <device>

       btrfsck	is  used to check and optionally repair of a Btrfs filesystem.
       Now, it can only be run on an unmounted FS. Considering it is not well-
       tested in real-life situations yet. if you have a broken Btrfs filesys‐
       tem, btrfsck may not repair but cause aditional	damages.  <device>  is
       the device file where the filesystem is stored.


       -s,--super <superblock>
	    specify which superblock copy that you want to use.

	    try to repair the filesystem.

	    create a new CRC tree.

	    create a new extent tree.

       btrfsck	will return 0 exit code if no error happened.  Other exit code
       means some problems happened.

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

       mkfs.btrfs(8), btrfs(8)


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