fsck.f2fs: Enable user-space cache

Added command line options -c <num_cache_entry> and -m <max_hash_collision>
to activate cache for fsck.  It may significantly speed up fsck.

Signed-off-by: Robin Hsu <robinhsu@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1 file changed