REQ_OP_BITS 1791 block/blk-core.c BUILD_BUG_ON(REQ_OP_LAST >= (1 << REQ_OP_BITS)); REQ_OP_BITS 1792 block/blk-core.c BUILD_BUG_ON(REQ_OP_BITS + REQ_FLAG_BITS > 8 * REQ_OP_BITS 1794 block/blk-core.c BUILD_BUG_ON(REQ_OP_BITS + REQ_FLAG_BITS > 8 * REQ_OP_BITS 271 include/linux/blk_types.h #define REQ_OP_MASK ((1 << REQ_OP_BITS) - 1) REQ_OP_BITS 306 include/linux/blk_types.h REQ_OP_BITS,