| .\" Copyright (c) 2015 Jaegeuk Kim <jaegeuk@kernel.org> |
| .\" |
| .TH DEFRAG.F2FS 8 |
| .SH NAME |
| defrag.f2fs \- relocate blocks in a given area to the specified region |
| .SH SYNOPSIS |
| .B defrag.f2fs |
| [ |
| .B \-s |
| .I start block address |
| ] |
| [ |
| .B \-l |
| .I number of blocks |
| ] |
| [ |
| .B \-t |
| .I target block address |
| ] |
| [ |
| .B \-i |
| .I direction |
| ] |
| [ |
| .B \-d |
| .I debugging-level |
| ] |
| .I device |
| .SH DESCRIPTION |
| .B defrag.f2fs |
| is used to move specified number of blocks starting from a given block address |
| to the target block address with a direction. |
| \fIdevice\fP is the special file corresponding to the device (e.g. |
| \fI/dev/sdXX\fP). |
| |
| 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. |
| |
| .PP |
| The exit code returned by |
| .B defrag.f2fs |
| is 0 on success and -1 on failure. |
| .SH OPTIONS |
| .TP |
| .BI \-s " start block address" |
| Specify the starting block address. |
| .TP |
| .BI \-l " number of blocks" |
| Specify the number of blocks to move. |
| .TP |
| .BI \-t " target block address" |
| Specify the destination block address. |
| .TP |
| .BI \-i " direction" |
| Set the direction to left. If it is not set, the direction becomes right |
| by default. |
| .TP |
| .BI \-d " debug-level" |
| Specify the level of debugging options. |
| The default number is 0, which shows basic debugging messages. |
| .TP |
| .SH AUTHOR |
| This version of |
| .B defrag.f2fs |
| has been written by Jaegeuk Kim <jaegeuk@kernel.org>. |
| .SH AVAILABILITY |
| .B defrag.f2fs |
| is available from git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git. |
| .SH SEE ALSO |
| .BR mkfs.f2fs(8), |
| .BR dump.f2fs(8), |
| .BR fsck.f2fs(8), |
| .BR resize.f2fs(8), |
| .BR sload.f2fs(8). |
