Symbol: fillinusemap
src/add-ons/kernel/file_systems/fat/bsd/fs/msdosfs/denode.h
289
int fillinusemap(struct msdosfsmount *pmp);
src/add-ons/kernel/file_systems/fat/kernel_interface.cpp
3757
status = B_FROM_POSIX_ERROR(fillinusemap(fatVolume));