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Written by Jaegeuk Kim <jaegeuk.kim@samsung.com>
The exit code returned by mkfs.f2fs is 0 on success and 1 on failure.
-a " heap-based-allocation" Specify 1 or 0 to enable/disable heap based block allocation policy. If the value is equal to 1, each of active log areas are initially assigned separately according to the whole volume size. The default value is 1.
-l " volume-label" Specify the volume label to the partition mounted as F2FS.
-o " overprovision-ratio-percentage" Specify the percentage over the volume size for overprovision area. This area is hidden to users, and utilized by F2FS cleaner. The default percentage is 5%.
-s " log-based-#-of-segments-per-section" Specify the log-based number of segments per section. A section consists of multiple consecutive segments, and is the unit of garbage collection. The default number is 0, which means one segment is assigned to a section.
-z " #-of-sections-per-zone" Specify the number of sections per zone. A zone consists of multiple sections. F2FS allocates segments for active logs with separated zones as much as possible. The default number is 1, which means a zone consists of one section.
-e " extension-list" Specify a file extension list in order f2fs to treat them as cold files. The data of files having those extensions will be stored to the cold log. The default list includes most of multimedia file extensions such as jpg, gif, mpeg, mkv, and so on.
-d " debug-level" Specify the level of debugging options. The default number is 0, which shows basic debugging messages.