drbd: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a couple
of warnings by explicitly adding a break statement instead of just
letting the code fall through to the next, and by adding a fallthrough
pseudo-keyword in places whre the code is intended to fall through.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Gustavo A. R. Silva 2021-04-20 15:25:51 -05:00 committed by Jens Axboe
parent 57b93ed435
commit 6327c911aa
2 changed files with 2 additions and 0 deletions

View File

@ -5863,6 +5863,7 @@ static int got_NegRSDReply(struct drbd_connection *connection, struct packet_inf
switch (pi->cmd) {
case P_NEG_RS_DREPLY:
drbd_rs_failed_io(device, sector, size);
break;
case P_RS_CANCEL:
break;
default:

View File

@ -753,6 +753,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what,
case WRITE_ACKED_BY_PEER_AND_SIS:
req->rq_state |= RQ_NET_SIS;
fallthrough;
case WRITE_ACKED_BY_PEER:
/* Normal operation protocol C: successfully written on peer.
* During resync, even in protocol != C,