block: Abstract out bvec iterator

[mirror_ubuntu-bionic-kernel.git] / fs / btrfs / volumes.c

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 0db63709786291731aa3e465dd20c46830890311..f2130de0ddc2cf4bc668060dd77c1a03b64f0a8d 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5394,7 +5394,7 @@ static int bio_size_ok(struct block_device *bdev, struct bio *bio,
 {
        struct bio_vec *prev;
        struct request_queue *q = bdev_get_queue(bdev);
-       unsigned short max_sectors = queue_max_sectors(q);
+       unsigned int max_sectors = queue_max_sectors(q);
        struct bvec_merge_data bvm = {
                .bi_bdev = bdev,
                .bi_sector = sector,
@@ -5411,7 +5411,7 @@ static int bio_size_ok(struct block_device *bdev, struct bio *bio,
        if (!q->merge_bvec_fn)
                return 1;
 
-       bvm.bi_size = bio->bi_size - prev->bv_len;
+       bvm.bi_size = bio->bi_iter.bi_size - prev->bv_len;
        if (q->merge_bvec_fn(q, &bvm, prev) < prev->bv_len)
                return 0;
        return 1;
@@ -5426,7 +5426,7 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio,
        bio->bi_private = bbio;
        btrfs_io_bio(bio)->stripe_index = dev_nr;
        bio->bi_end_io = btrfs_end_bio;
-       bio->bi_sector = physical >> 9;
+       bio->bi_iter.bi_sector = physical >> 9;
 #ifdef DEBUG
        {
                struct rcu_string *name;
@@ -5464,7 +5464,7 @@ again:
        while (bvec <= (first_bio->bi_io_vec + first_bio->bi_vcnt - 1)) {
                if (bio_add_page(bio, bvec->bv_page, bvec->bv_len,
                                 bvec->bv_offset) < bvec->bv_len) {
-                       u64 len = bio->bi_size;
+                       u64 len = bio->bi_iter.bi_size;
 
                        atomic_inc(&bbio->stripes_pending);
                        submit_stripe_bio(root, bbio, bio, physical, dev_nr,
@@ -5486,7 +5486,7 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical)
                bio->bi_private = bbio->private;
                bio->bi_end_io = bbio->end_io;
                btrfs_io_bio(bio)->mirror_num = bbio->mirror_num;
-               bio->bi_sector = logical >> 9;
+               bio->bi_iter.bi_sector = logical >> 9;
                kfree(bbio);
                bio_endio(bio, -EIO);
        }
@@ -5497,7 +5497,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
 {
        struct btrfs_device *dev;
        struct bio *first_bio = bio;
-       u64 logical = (u64)bio->bi_sector << 9;
+       u64 logical = (u64)bio->bi_iter.bi_sector << 9;
        u64 length = 0;
        u64 map_length;
        u64 *raid_map = NULL;
@@ -5506,7 +5506,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
        int total_devs = 1;
        struct btrfs_bio *bbio = NULL;
 
-       length = bio->bi_size;
+       length = bio->bi_iter.bi_size;
        map_length = length;
 
        ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio,