BLKSECTSET 157 include/uapi/linux/fs.h #define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */ BLKSECTSET 157 tools/include/uapi/linux/fs.h #define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */