drop vmerge accounting

Remove hw_segments field from struct bio and struct request. Without virtual
merge accounting they have no purpose.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index e34cd0e62473..0f40688503e7 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1345,9 +1345,6 @@ static void sync_request_write(mddev_t *mddev, r10bio_t *r10_bio)
                 tbio->bi_size = r10_bio->sectors << 9;
                 tbio->bi_idx = 0;
                 tbio->bi_phys_segments = 0;
-                tbio->bi_hw_segments = 0;
-                tbio->bi_hw_front_size = 0;
-                tbio->bi_hw_back_size = 0;
                 tbio->bi_flags &= ~(BIO_POOL_MASK - 1);
                 tbio->bi_flags |= 1 << BIO_UPTODATE;
                 tbio->bi_next = NULL;