*/
#define bvec_to_phys(bv) (page_to_phys((bv)->bv_page) + (unsigned long) (bv)->bv_offset)
-/*
- * queues that have highmem support enabled may still need to revert to
- * PIO transfers occasionally and thus map high pages temporarily. For
- * permanent PIO fall back, user is probably better off disabling highmem
- * I/O completely on that queue (see ide-dma for example)
- */
-#define __bio_kmap_atomic(bio, iter) \
- (kmap_atomic(bio_iter_iovec((bio), (iter)).bv_page) + \
- bio_iter_iovec((bio), (iter)).bv_offset)
-
-#define __bio_kunmap_atomic(addr) kunmap_atomic(addr)
-
/*
* merge helpers etc
*/
#ifdef CONFIG_BLK_CGROUP
int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css);
-int bio_associate_current(struct bio *bio);
void bio_disassociate_task(struct bio *bio);
void bio_clone_blkcg_association(struct bio *dst, struct bio *src);
#else /* CONFIG_BLK_CGROUP */
static inline int bio_associate_blkcg(struct bio *bio,
struct cgroup_subsys_state *blkcg_css) { return 0; }
-static inline int bio_associate_current(struct bio *bio) { return -ENOENT; }
static inline void bio_disassociate_task(struct bio *bio) { }
static inline void bio_clone_blkcg_association(struct bio *dst,
struct bio *src) { }
}
#endif
-static inline char *__bio_kmap_irq(struct bio *bio, struct bvec_iter iter,
- unsigned long *flags)
-{
- return bvec_kmap_irq(&bio_iter_iovec(bio, iter), flags);
-}
-#define __bio_kunmap_irq(buf, flags) bvec_kunmap_irq(buf, flags)
-
-#define bio_kmap_irq(bio, flags) \
- __bio_kmap_irq((bio), (bio)->bi_iter, (flags))
-#define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags)
-
/*
* BIO list management for use by remapping drivers (e.g. DM or MD) and loop.
*