bvec_kmap_irq     409 include/linux/bio.h static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
bvec_kmap_irq     434 include/linux/bio.h #define bvec_kmap_irq(bvec, flags)	(page_address((bvec)->bv_page) + (bvec)->bv_offset)