Symbol: BFS_IOCTL_UPDATE_BOOT_BLOCK
src/add-ons/kernel/file_systems/bfs/kernel_interface.cpp
761
case BFS_IOCTL_UPDATE_BOOT_BLOCK:
src/bin/makebootable/platform/bios_ia32/makebootable.cpp
716
if (ioctl(mountFD, BFS_IOCTL_UPDATE_BOOT_BLOCK, &update,