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)
