`btrfs-map-logical` ( 8 )

сопоставить логический экстент btrfs с физическим экстентом (map btrfs logical extent to physical extent)

Имя (Name)

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

Синопсис (Synopsis)

btrfs-map-logical <options> <device>

Описание (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.

Параметры (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.

Статус выхода (Exit)

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

Смотри также (See also)

mkfs.btrfs(8)

Исходный текст на man7.org