Lines Matching refs:bio
25 #define bio_prio(bio) (bio)->bi_ioprio argument
26 #define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) argument
28 #define bio_iter_iovec(bio, iter) \ argument
29 bvec_iter_bvec((bio)->bi_io_vec, (iter))
31 #define bio_iter_page(bio, iter) \ argument
32 bvec_iter_page((bio)->bi_io_vec, (iter))
33 #define bio_iter_len(bio, iter) \ argument
34 bvec_iter_len((bio)->bi_io_vec, (iter))
35 #define bio_iter_offset(bio, iter) \ argument
36 bvec_iter_offset((bio)->bi_io_vec, (iter))
38 #define bio_page(bio) bio_iter_page((bio), (bio)->bi_iter) argument
39 #define bio_offset(bio) bio_iter_offset((bio), (bio)->bi_iter) argument
40 #define bio_iovec(bio) bio_iter_iovec((bio), (bio)->bi_iter) argument
45 #define bio_sectors(bio) bvec_iter_sectors((bio)->bi_iter) argument
46 #define bio_end_sector(bio) bvec_iter_end_sector((bio)->bi_iter) argument
51 #define bio_data_dir(bio) \ argument
52 (op_is_write(bio_op(bio)) ? WRITE : READ)
57 static inline bool bio_has_data(struct bio *bio) in bio_has_data() argument
59 if (bio && in bio_has_data()
60 bio->bi_iter.bi_size && in bio_has_data()
61 bio_op(bio) != REQ_OP_DISCARD && in bio_has_data()
62 bio_op(bio) != REQ_OP_SECURE_ERASE && in bio_has_data()
63 bio_op(bio) != REQ_OP_WRITE_ZEROES) in bio_has_data()
69 static inline bool bio_no_advance_iter(const struct bio *bio) in bio_no_advance_iter() argument
71 return bio_op(bio) == REQ_OP_DISCARD || in bio_no_advance_iter()
72 bio_op(bio) == REQ_OP_SECURE_ERASE || in bio_no_advance_iter()
73 bio_op(bio) == REQ_OP_WRITE_SAME || in bio_no_advance_iter()
74 bio_op(bio) == REQ_OP_WRITE_ZEROES; in bio_no_advance_iter()
77 static inline bool bio_mergeable(struct bio *bio) in bio_mergeable() argument
79 if (bio->bi_opf & REQ_NOMERGE_FLAGS) in bio_mergeable()
85 static inline unsigned int bio_cur_bytes(struct bio *bio) in bio_cur_bytes() argument
87 if (bio_has_data(bio)) in bio_cur_bytes()
88 return bio_iovec(bio).bv_len; in bio_cur_bytes()
90 return bio->bi_iter.bi_size; in bio_cur_bytes()
93 static inline void *bio_data(struct bio *bio) in bio_data() argument
95 if (bio_has_data(bio)) in bio_data()
96 return page_address(bio_page(bio)) + bio_offset(bio); in bio_data()
109 static inline bool bio_full(struct bio *bio, unsigned len) in bio_full() argument
111 if (bio->bi_vcnt >= bio->bi_max_vecs) in bio_full()
114 if (bio->bi_iter.bi_size > UINT_MAX - len) in bio_full()
120 static inline bool bio_next_segment(const struct bio *bio, in bio_next_segment() argument
123 if (iter->idx >= bio->bi_vcnt) in bio_next_segment()
126 bvec_advance(&bio->bi_io_vec[iter->idx], iter); in bio_next_segment()
134 #define bio_for_each_segment_all(bvl, bio, iter) \ argument
135 for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); )
137 static inline void bio_advance_iter(const struct bio *bio, in bio_advance_iter() argument
142 if (bio_no_advance_iter(bio)) in bio_advance_iter()
145 bvec_iter_advance(bio->bi_io_vec, iter, bytes); in bio_advance_iter()
149 #define __bio_for_each_segment(bvl, bio, iter, start) \ argument
152 ((bvl = bio_iter_iovec((bio), (iter))), 1); \
153 bio_advance_iter((bio), &(iter), (bvl).bv_len))
155 #define bio_for_each_segment(bvl, bio, iter) \ argument
156 __bio_for_each_segment(bvl, bio, iter, (bio)->bi_iter)
158 #define __bio_for_each_bvec(bvl, bio, iter, start) \ argument
161 ((bvl = mp_bvec_iter_bvec((bio)->bi_io_vec, (iter))), 1); \
162 bio_advance_iter((bio), &(iter), (bvl).bv_len))
165 #define bio_for_each_bvec(bvl, bio, iter) \ argument
166 __bio_for_each_bvec(bvl, bio, iter, (bio)->bi_iter)
172 #define bio_for_each_bvec_all(bvl, bio, i) \ argument
173 for (i = 0, bvl = bio_first_bvec_all(bio); \
174 i < (bio)->bi_vcnt; i++, bvl++) \
178 static inline unsigned bio_segments(struct bio *bio) in bio_segments() argument
189 switch (bio_op(bio)) { in bio_segments()
200 bio_for_each_segment(bv, bio, iter) in bio_segments()
220 static inline void bio_get(struct bio *bio) in bio_get() argument
222 bio->bi_flags |= (1 << BIO_REFFED); in bio_get()
224 atomic_inc(&bio->__bi_cnt); in bio_get()
227 static inline void bio_cnt_set(struct bio *bio, unsigned int count) in bio_cnt_set() argument
230 bio->bi_flags |= (1 << BIO_REFFED); in bio_cnt_set()
233 atomic_set(&bio->__bi_cnt, count); in bio_cnt_set()
236 static inline bool bio_flagged(struct bio *bio, unsigned int bit) in bio_flagged() argument
238 return (bio->bi_flags & (1U << bit)) != 0; in bio_flagged()
241 static inline void bio_set_flag(struct bio *bio, unsigned int bit) in bio_set_flag() argument
243 bio->bi_flags |= (1U << bit); in bio_set_flag()
246 static inline void bio_clear_flag(struct bio *bio, unsigned int bit) in bio_clear_flag() argument
248 bio->bi_flags &= ~(1U << bit); in bio_clear_flag()
251 static inline void bio_get_first_bvec(struct bio *bio, struct bio_vec *bv) in bio_get_first_bvec() argument
253 *bv = mp_bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter); in bio_get_first_bvec()
256 static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv) in bio_get_last_bvec() argument
258 struct bvec_iter iter = bio->bi_iter; in bio_get_last_bvec()
261 bio_get_first_bvec(bio, bv); in bio_get_last_bvec()
262 if (bv->bv_len == bio->bi_iter.bi_size) in bio_get_last_bvec()
265 bio_advance_iter(bio, &iter, iter.bi_size); in bio_get_last_bvec()
272 *bv = bio->bi_io_vec[idx]; in bio_get_last_bvec()
282 static inline struct bio_vec *bio_first_bvec_all(struct bio *bio) in bio_first_bvec_all() argument
284 WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED)); in bio_first_bvec_all()
285 return bio->bi_io_vec; in bio_first_bvec_all()
288 static inline struct page *bio_first_page_all(struct bio *bio) in bio_first_page_all() argument
290 return bio_first_bvec_all(bio)->bv_page; in bio_first_page_all()
293 static inline struct bio_vec *bio_last_bvec_all(struct bio *bio) in bio_last_bvec_all() argument
295 WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED)); in bio_last_bvec_all()
296 return &bio->bi_io_vec[bio->bi_vcnt - 1]; in bio_last_bvec_all()
311 struct bio *bip_bio; /* parent bio */
334 static inline struct bio_integrity_payload *bio_integrity(struct bio *bio) in bio_integrity() argument
336 if (bio->bi_opf & REQ_INTEGRITY) in bio_integrity()
337 return bio->bi_integrity; in bio_integrity()
342 static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag) in bio_integrity_flagged() argument
344 struct bio_integrity_payload *bip = bio_integrity(bio); in bio_integrity_flagged()
365 extern void bio_trim(struct bio *bio, int offset, int size);
366 extern struct bio *bio_split(struct bio *bio, int sectors,
379 static inline struct bio *bio_next_split(struct bio *bio, int sectors, in bio_next_split() argument
382 if (sectors >= bio_sectors(bio)) in bio_next_split()
383 return bio; in bio_next_split()
385 return bio_split(bio, sectors, gfp, bs); in bio_next_split()
397 extern struct bio *bio_alloc_bioset(gfp_t, unsigned int, struct bio_set *);
398 extern void bio_put(struct bio *);
400 extern void __bio_clone_fast(struct bio *, struct bio *);
401 extern struct bio *bio_clone_fast(struct bio *, gfp_t, struct bio_set *);
405 static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) in bio_alloc()
410 static inline struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs) in bio_kmalloc()
415 extern blk_qc_t submit_bio(struct bio *);
417 extern void bio_endio(struct bio *);
419 static inline void bio_io_error(struct bio *bio) in bio_io_error() argument
421 bio->bi_status = BLK_STS_IOERR; in bio_io_error()
422 bio_endio(bio); in bio_io_error()
425 static inline void bio_wouldblock_error(struct bio *bio) in bio_wouldblock_error() argument
427 bio_set_flag(bio, BIO_QUIET); in bio_wouldblock_error()
428 bio->bi_status = BLK_STS_AGAIN; in bio_wouldblock_error()
429 bio_endio(bio); in bio_wouldblock_error()
434 extern int submit_bio_wait(struct bio *bio);
435 extern void bio_advance(struct bio *, unsigned);
437 extern void bio_init(struct bio *bio, struct bio_vec *table,
439 extern void bio_uninit(struct bio *);
440 extern void bio_reset(struct bio *);
441 void bio_chain(struct bio *, struct bio *);
443 extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int);
444 extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
446 bool __bio_try_merge_page(struct bio *bio, struct page *page,
448 void __bio_add_page(struct bio *bio, struct page *page,
450 int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter);
451 void bio_release_pages(struct bio *bio, bool mark_dirty);
452 extern void bio_set_pages_dirty(struct bio *bio);
453 extern void bio_check_pages_dirty(struct bio *bio);
455 extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
456 struct bio *src, struct bvec_iter *src_iter);
457 extern void bio_copy_data(struct bio *dst, struct bio *src);
458 extern void bio_list_copy_data(struct bio *dst, struct bio *src);
459 extern void bio_free_pages(struct bio *bio);
460 void zero_fill_bio_iter(struct bio *bio, struct bvec_iter iter);
461 void bio_truncate(struct bio *bio, unsigned new_size);
462 void guard_bio_eod(struct bio *bio);
464 static inline void zero_fill_bio(struct bio *bio) in zero_fill_bio() argument
466 zero_fill_bio_iter(bio, bio->bi_iter); in zero_fill_bio()
472 extern const char *bio_devname(struct bio *bio, char *buffer);
474 #define bio_set_dev(bio, bdev) \ argument
476 if ((bio)->bi_disk != (bdev)->bd_disk) \
477 bio_clear_flag(bio, BIO_THROTTLED);\
478 (bio)->bi_disk = (bdev)->bd_disk; \
479 (bio)->bi_partno = (bdev)->bd_partno; \
480 bio_associate_blkg(bio); \
490 #define bio_dev(bio) \ argument
491 disk_devt((bio)->bi_disk)
494 void bio_associate_blkg(struct bio *bio);
495 void bio_associate_blkg_from_css(struct bio *bio,
497 void bio_clone_blkg_association(struct bio *dst, struct bio *src);
499 static inline void bio_associate_blkg(struct bio *bio) { } in bio_associate_blkg() argument
500 static inline void bio_associate_blkg_from_css(struct bio *bio, in bio_associate_blkg_from_css() argument
503 static inline void bio_clone_blkg_association(struct bio *dst, in bio_clone_blkg_association()
504 struct bio *src) { } in bio_clone_blkg_association()
556 struct bio *head;
557 struct bio *tail;
572 #define bio_list_for_each(bio, bl) \ argument
573 for (bio = (bl)->head; bio; bio = bio->bi_next)
578 struct bio *bio; in bio_list_size() local
580 bio_list_for_each(bio, bl) in bio_list_size()
586 static inline void bio_list_add(struct bio_list *bl, struct bio *bio) in bio_list_add() argument
588 bio->bi_next = NULL; in bio_list_add()
591 bl->tail->bi_next = bio; in bio_list_add()
593 bl->head = bio; in bio_list_add()
595 bl->tail = bio; in bio_list_add()
598 static inline void bio_list_add_head(struct bio_list *bl, struct bio *bio) in bio_list_add_head() argument
600 bio->bi_next = bl->head; in bio_list_add_head()
602 bl->head = bio; in bio_list_add_head()
605 bl->tail = bio; in bio_list_add_head()
635 static inline struct bio *bio_list_peek(struct bio_list *bl) in bio_list_peek()
640 static inline struct bio *bio_list_pop(struct bio_list *bl) in bio_list_pop()
642 struct bio *bio = bl->head; in bio_list_pop() local
644 if (bio) { in bio_list_pop()
649 bio->bi_next = NULL; in bio_list_pop()
652 return bio; in bio_list_pop()
655 static inline struct bio *bio_list_get(struct bio_list *bl) in bio_list_get()
657 struct bio *bio = bl->head; in bio_list_get() local
661 return bio; in bio_list_get()
668 static inline void bio_inc_remaining(struct bio *bio) in bio_inc_remaining() argument
670 bio_set_flag(bio, BIO_CHAIN); in bio_inc_remaining()
672 atomic_inc(&bio->__bi_remaining); in bio_inc_remaining()
735 extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int);
736 extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int);
737 extern bool bio_integrity_prep(struct bio *);
738 extern void bio_integrity_advance(struct bio *, unsigned int);
739 extern void bio_integrity_trim(struct bio *);
740 extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t);
747 static inline void *bio_integrity(struct bio *bio) in bio_integrity() argument
762 static inline bool bio_integrity_prep(struct bio *bio) in bio_integrity_prep() argument
767 static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src, in bio_integrity_clone() argument
773 static inline void bio_integrity_advance(struct bio *bio, in bio_integrity_advance() argument
779 static inline void bio_integrity_trim(struct bio *bio) in bio_integrity_trim() argument
789 static inline bool bio_integrity_flagged(struct bio *bio, enum bip_flags flag) in bio_integrity_flagged() argument
794 static inline void *bio_integrity_alloc(struct bio * bio, gfp_t gfp, in bio_integrity_alloc() argument
800 static inline int bio_integrity_add_page(struct bio *bio, struct page *page, in bio_integrity_add_page() argument
815 static inline void bio_set_polled(struct bio *bio, struct kiocb *kiocb) in bio_set_polled() argument
817 bio->bi_opf |= REQ_HIPRI; in bio_set_polled()
819 bio->bi_opf |= REQ_NOWAIT; in bio_set_polled()