Provided by: btrfs-progs_5.19-1_amd64 bug

NAME
       btrfs-map-logical - map btrfs logical extent to physical extent


SYNOPSIS
       btrfs-map-logical <options> <device>


DESCRIPTION
       btrfs-map-logical  can  be  used to find out what the physical offsets are on the mirrors,
       the result is dumped to stdout by default.

       Mainly used for debug purpose.


OPTIONS
       -l|--logical <logical_num>
              Logical extent to map.

       -c|--copy <copy>
              Copy of the extent to read(usually 1 or 2).

       -o|--output <filename>
              Output file to hold the extent.

       -b|--bytes <bytes>
              Number of bytes to read.


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


SEE ALSO
       mkfs.btrfs(8)


COPYRIGHT
       2022