Just use bio_for_each_segment_all to iterate over all segments.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/btrfs/inode.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 147df4c..3f09cb6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8394,7 +8394,7 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip,
struct btrfs_root *root = BTRFS_I(inode)->root;
struct bio *bio;
struct bio *orig_bio = dip->orig_bio;
- struct bio_vec *bvec = orig_bio->bi_io_vec;
+ struct bio_vec *bvec;
u64 start_sector = orig_bio->bi_iter.bi_sector;
u64 file_offset = dip->logical_offset;
u64 submit_len = 0;
@@ -8403,7 +8403,7 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip,
int async_submit = 0;
int nr_sectors;
int ret;
- int i;
+ int i, j;
map_length = orig_bio->bi_iter.bi_size;
ret = btrfs_map_block(root->fs_info, btrfs_op(orig_bio),
@@ -8433,7 +8433,7 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip,
btrfs_io_bio(bio)->logical = file_offset;
atomic_inc(&dip->pending_bios);
- while (bvec <= (orig_bio->bi_io_vec + orig_bio->bi_vcnt - 1)) {
+ bio_for_each_segment_all(bvec, orig_bio, j) {
nr_sectors = BTRFS_BYTES_TO_BLKS(root->fs_info, bvec->bv_len);
i = 0;
next_block:
@@ -8487,7 +8487,6 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip,
i++;
goto next_block;
}
- bvec++;
}
}
--
2.1.4
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