diff options
Diffstat (limited to 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 56 |
1 files changed, 29 insertions, 27 deletions
@@ -532,13 +532,13 @@ void __bio_clone(struct bio *bio, struct bio *bio_src) * most users will be overriding ->bi_bdev with a new target, * so we don't set nor calculate new physical/hw segment counts here */ - bio->bi_sector = bio_src->bi_sector; + bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_bdev = bio_src->bi_bdev; bio->bi_flags |= 1 << BIO_CLONED; bio->bi_rw = bio_src->bi_rw; bio->bi_vcnt = bio_src->bi_vcnt; - bio->bi_size = bio_src->bi_size; - bio->bi_idx = bio_src->bi_idx; + bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; + bio->bi_iter.bi_idx = bio_src->bi_iter.bi_idx; } EXPORT_SYMBOL(__bio_clone); @@ -612,7 +612,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page if (unlikely(bio_flagged(bio, BIO_CLONED))) return 0; - if (((bio->bi_size + len) >> 9) > max_sectors) + if (((bio->bi_iter.bi_size + len) >> 9) > max_sectors) return 0; /* @@ -635,8 +635,9 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page simulate merging updated prev_bvec as new bvec. */ .bi_bdev = bio->bi_bdev, - .bi_sector = bio->bi_sector, - .bi_size = bio->bi_size - prev_bv_len, + .bi_sector = bio->bi_iter.bi_sector, + .bi_size = bio->bi_iter.bi_size - + prev_bv_len, .bi_rw = bio->bi_rw, }; @@ -684,8 +685,8 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page if (q->merge_bvec_fn) { struct bvec_merge_data bvm = { .bi_bdev = bio->bi_bdev, - .bi_sector = bio->bi_sector, - .bi_size = bio->bi_size, + .bi_sector = bio->bi_iter.bi_sector, + .bi_size = bio->bi_iter.bi_size, .bi_rw = bio->bi_rw, }; @@ -708,7 +709,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page bio->bi_vcnt++; bio->bi_phys_segments++; done: - bio->bi_size += len; + bio->bi_iter.bi_size += len; return len; } @@ -807,22 +808,22 @@ void bio_advance(struct bio *bio, unsigned bytes) if (bio_integrity(bio)) bio_integrity_advance(bio, bytes); - bio->bi_sector += bytes >> 9; - bio->bi_size -= bytes; + bio->bi_iter.bi_sector += bytes >> 9; + bio->bi_iter.bi_size -= bytes; if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) return; while (bytes) { - if (unlikely(bio->bi_idx >= bio->bi_vcnt)) { + if (unlikely(bio->bi_iter.bi_idx >= bio->bi_vcnt)) { WARN_ONCE(1, "bio idx %d >= vcnt %d\n", - bio->bi_idx, bio->bi_vcnt); + bio->bi_iter.bi_idx, bio->bi_vcnt); break; } if (bytes >= bio_iovec(bio)->bv_len) { bytes -= bio_iovec(bio)->bv_len; - bio->bi_idx++; + bio->bi_iter.bi_idx++; } else { bio_iovec(bio)->bv_len -= bytes; bio_iovec(bio)->bv_offset += bytes; @@ -1485,7 +1486,7 @@ struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, if (IS_ERR(bio)) return bio; - if (bio->bi_size == len) + if (bio->bi_iter.bi_size == len) return bio; /* @@ -1763,16 +1764,16 @@ struct bio_pair *bio_split(struct bio *bi, int first_sectors) return bp; trace_block_split(bdev_get_queue(bi->bi_bdev), bi, - bi->bi_sector + first_sectors); + bi->bi_iter.bi_sector + first_sectors); BUG_ON(bio_segments(bi) > 1); atomic_set(&bp->cnt, 3); bp->error = 0; bp->bio1 = *bi; bp->bio2 = *bi; - bp->bio2.bi_sector += first_sectors; - bp->bio2.bi_size -= first_sectors << 9; - bp->bio1.bi_size = first_sectors << 9; + bp->bio2.bi_iter.bi_sector += first_sectors; + bp->bio2.bi_iter.bi_size -= first_sectors << 9; + bp->bio1.bi_iter.bi_size = first_sectors << 9; if (bi->bi_vcnt != 0) { bp->bv1 = *bio_iovec(bi); @@ -1821,21 +1822,22 @@ void bio_trim(struct bio *bio, int offset, int size) int sofar = 0; size <<= 9; - if (offset == 0 && size == bio->bi_size) + if (offset == 0 && size == bio->bi_iter.bi_size) return; clear_bit(BIO_SEG_VALID, &bio->bi_flags); bio_advance(bio, offset << 9); - bio->bi_size = size; + bio->bi_iter.bi_size = size; /* avoid any complications with bi_idx being non-zero*/ - if (bio->bi_idx) { - memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_idx, - (bio->bi_vcnt - bio->bi_idx) * sizeof(struct bio_vec)); - bio->bi_vcnt -= bio->bi_idx; - bio->bi_idx = 0; + if (bio->bi_iter.bi_idx) { + memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_iter.bi_idx, + (bio->bi_vcnt - bio->bi_iter.bi_idx) * + sizeof(struct bio_vec)); + bio->bi_vcnt -= bio->bi_iter.bi_idx; + bio->bi_iter.bi_idx = 0; } /* Make sure vcnt and last bv are not too big */ bio_for_each_segment(bvec, bio, i) { @@ -1871,7 +1873,7 @@ sector_t bio_sector_offset(struct bio *bio, unsigned short index, sector_sz = queue_logical_block_size(bio->bi_bdev->bd_disk->queue); sectors = 0; - if (index >= bio->bi_idx) + if (index >= bio->bi_iter.bi_idx) index = bio->bi_vcnt - 1; bio_for_each_segment_all(bv, bio, i) { |