BVEC_POOL_OFFSET  510 block/bio.c    		bio->bi_flags |= idx << BVEC_POOL_OFFSET;
BVEC_POOL_OFFSET 2212 block/bio.c    	BUILD_BUG_ON(BIO_FLAG_LAST > BVEC_POOL_OFFSET);
BVEC_POOL_OFFSET  244 include/linux/blk_types.h #define BVEC_POOL_IDX(bio)	((bio)->bi_flags >> BVEC_POOL_OFFSET)
BVEC_POOL_OFFSET  253 include/linux/blk_types.h #define BIO_RESET_BITS	BVEC_POOL_OFFSET