f2fs-tools: support F2FS_IOC_START_ATOMIC_REPLACE

Added options in f2fs_io write command to support
F2FS_IOC_START_ATOMIC_REPLACE.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2 files changed