From: Daeho Jeong <daehojeong@xxxxxxxxxx>
Added two option to f2fs_io "write" command.
- atomic_commit : atomic write & commit
- atomic_abort : atomic write & abort
Also, added an optional option {delay}, which is in ms unit and optional
only for atomic_commit and atomic_abort.
Signed-off-by: Daeho Jeong <daehojeong@xxxxxxxxxx>