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-rw-r--r--fs/bio.c56
1 files changed, 29 insertions, 27 deletions
diff --git a/fs/bio.c b/fs/bio.c
index 33d79a4eb92d..a402ad6e753f 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -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) {