Symbol: BLKSSZGET
src/add-ons/kernel/file_systems/ntfs/libntfs/device.c
95
# define BLKSSZGET _IO(0x12,104) /* Get device sector size in bytes. */
src/add-ons/kernel/file_systems/ntfs/libntfs/device_io.h
60
# define BLKSSZGET 0x1268