block/drbd: remove useless comments in receive_DataReply()

All implementations of req->collision, _req_may_be_done and
drbd_fail_pending_reads have been removed, so remove the comments
in receive_DataReply() that provide no useful information.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20220920015216.782190-3-cuigaosheng1@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index af4c7d65490b9110a824bf4f58fd87970fa3c324..c897c457203652a4c7d86dc185af5c3b440fcd03 100644 (file)
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2113,9 +2113,6 @@ static int receive_DataReply(struct drbd_connection *connection, struct packet_i
        if (unlikely(!req))
                return -EIO;
 
-       /* hlist_del(&req->collision) is done in _req_may_be_done, to avoid
-        * special casing it there for the various failure cases.
-        * still no race with drbd_fail_pending_reads */
        err = recv_dless_read(peer_device, req, sector, pi->size);
        if (!err)
                req_mod(req, DATA_RECEIVED);