DEFRAG.F2FS
NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AUTHOR
AVAILABILITY
SEE ALSO
NAME
defrag.f2fs − relocate blocks in a given area to the specified region
SYNOPSIS
defrag.f2fs [ −s start block address ] [ −l number of blocks ] [ −t target block address ] [ −i direction ] [ −d debugging-level ] device
DESCRIPTION
defrag.f2fs is used to move specified number of blocks starting from a given block address to the target block address with a direction. device is the special file corresponding to the device (e.g. /dev/sdXX).
For example, # defrag.f2fs -s 0x4000 -l 0x100 -t 0x10000 -i /dev/sdb1
This moves blocks between 0x4000 and 0x4100 to the left-hand area of 0x10000.
The exit code returned by defrag.f2fs is 0 on success and -1 on failure.
OPTIONS
−s start block address
Specify the starting block address.
−l number of blocks
Specifiy the number of blocks to move.
−t target block address
Specify the destination block address.
−i direction
Set the direction to left. If it is not set, the direction becomes right by default.
−d debug-level
Specify the level of debugging options. The default number is 0, which shows basic debugging messages.
AUTHOR
This version of defrag.f2fs has been written by Jaegeuk Kim
AVAILABILITY
defrag.f2fs is available from git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git.
SEE ALSO
mkfs.f2fs(8), dump.f2fs(8), fsck.f2fs(8), resize.f2fs(8), sload.f2fs(8).