md/raid10: remove dead code in reshape_request

A bio allocated by bio_alloc_bioset comes pre-zeroed, no need to
clear random fields.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index e1eefbe..a9ae7d1 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4539,10 +4539,6 @@ read_more:
        read_bio->bi_private = r10_bio;
        read_bio->bi_end_io = end_reshape_read;
        bio_set_op_attrs(read_bio, REQ_OP_READ, 0);
-       read_bio->bi_flags &= (~0UL << BIO_RESET_BITS);
-       read_bio->bi_status = 0;
-       read_bio->bi_vcnt = 0;
-       read_bio->bi_iter.bi_size = 0;
        r10_bio->master_bio = read_bio;
        r10_bio->read_slot = r10_bio->devs[r10_bio->read_slot].devnum;