BTRFS-MAP-LOGICAL(8) BTRFS BTRFS-MAP-LOGICAL(8)
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)
6.2 Feb 28, 2023 BTRFS-MAP-LOGICAL(8)
Generated by dwww version 1.15 on Fri Jun 28 02:39:43 CEST 2024.