SLOAD.F2FS(8)               System Manager's Manual              SLOAD.F2FS(8)

NAME
       sload.f2fs - load directories and files into the device directly

SYNOPSIS
       sload.f2fs [ -f source-directory-path ] [ -t mount-point ] [ -d
       debugging-level ] [ -P ] [ -c [ -L log-of-blocks-per-cluster ] [ -a
       compression-algorithm ] [ -x file-extension-to-exclude-from-compression
       | -i file-extension-to-include-for-compression ] [ -m
       minimum-compressed-blocks-per-cluster ] [ -r ] ] device

DESCRIPTION
       sload.f2fs is used to load directories and files into a disk partition,
       or an F2FS image (file).  device could a special file corresponding to
       the device (e.g.  /dev/sdXX), or an F2FS image file.


       The exit code returned by sload.f2fs is 0 on success and -1 on failure.

OPTIONS
       -f source-directory-path
              Specify the source directory path to be loaded.

       -t mount-point-path
              Specify the mount point path in the partition to load.

       -d debug-level
              Specify the level of debugging options.  The default number is
              0, which shows basic debugging messages.

       -P     Preserve owner: user and group.  The user and group of the
              source files will be taken into account.

       -c     Enable a cluster-based file compression.  The file would be
              chopped into clusters, and each cluster is compressed
              independently.

       -L log-of-blocks-per-cluster
              Specify cluster size in power of two blocks.  The minimum value
              is 2 (4 blocks, default).  The maximum value is 8 (256 blocks).
              Note that a block contains 4096 bytes.  This option must be used
              with option -c.

       -a compression-algorithm
              Choose the algorithm for compression. Available options are:
              lzo, lz4 (default).  This option must be used with option -c.

       -i file-extension-to-include-for-compression
              Specify a file extension to include for the compression.  To
              specify multiple file extensions, use multiple option -i's.
              Files having one of the listed extensions will be compressed.
              This option must be used with option -c.

       -x file-extension-to-exclude-from-compression
              Specify a file extension to exclude from compression.  To
              specify multiple file extensions, use multiple option -x's.
              Files having one of the listed extensions won't be compressed.
              This option must be used with option -c.

       -m minimum-compressed-blocks-per-cluster
              Specify a minimum block count saved (by compression) per
              cluster.  The minimum value is 1 (default).  Maximum value is
              the cluster size in blocks minus 1.  If compression of a cluster
              fails to save at least the minimum compressed block count given
              by the option, the cluster will not be compressed.  This option
              must be used with option -c.

       -r     Specify read-only flag for the compressed files.  It allows
              filesystem to release compressed space to the users, since,
              without this option, filesystem should keep the space for future
              file updates.  This option must be used with option -c.


NOTES
       If neither -i nor -x is used, all files will be compressed.  Obviously,
       option -i and -x can not be used together.


AUTHOR
       This version of sload.f2fs has been contributed by Hou Pengyang
       <houpengyang@huawei.com>, Liu Shuoran <liushuoran@huawei.com>, Jaegeuk
       Kim <jaegeuk@kernel.org>, Robin Hsu <robinhsu@google.com>

AVAILABILITY
       sload.f2fs is available from
       <git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git>.

SEE ALSO
       mkfs.f2fs(8), fsck.f2fs(8), dump.f2fs(8), defrag.f2fs(8),
       resize.f2fs(8).

                                                                 SLOAD.F2FS(8)