BLKGETSIZE64 173 include/uapi/linux/fs.h #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ BLKGETSIZE64 173 tools/include/uapi/linux/fs.h #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */