Defines starting with `f' in bsd/ufs/ufs

• FORCE bsd/ufs/ufs/quota.h:192
• FS bsd/ufs/ufs/ufs_readwrite.c:64
• fs_bsize bsd/ufs/ufs/ufs_readwrite.c:75
• fs_maxfilesize bsd/ufs/ufs/ufs_readwrite.c:76