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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-07-02 20:49:02 +0300
committerJens Axboe <axboe@kernel.dk>2018-07-09 18:07:53 +0300
commitd769a992966b0a188096fda24fc08fc769ec6547 (patch)
treed04f2ba5b9b5a568dd761b83e0b48f3ae4bed2cb /drivers
parentb04f50ab8a74129b3041a2836c33c916be3c6667 (diff)
downloadlinux-d769a992966b0a188096fda24fc08fc769ec6547.tar.xz
drbd: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Warning level 2 was used in this case: -Wimplicit-fallthrough=2 Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/drbd/drbd_receiver.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index be9450f5ad1c..a36a30795c43 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2790,6 +2790,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet
then we would do something smarter here than reading
the block... */
peer_req->flags |= EE_RS_THIN_REQ;
+ /* fall through */
case P_RS_DATA_REQUEST:
peer_req->w.cb = w_e_end_rsdata_req;
fault_type = DRBD_FAULT_RS_RD;
@@ -2968,6 +2969,7 @@ static int drbd_asb_recover_0p(struct drbd_peer_device *peer_device) __must_hold
/* Else fall through to one of the other strategies... */
drbd_warn(device, "Discard younger/older primary did not find a decision\n"
"Using discard-least-changes instead\n");
+ /* fall through */
case ASB_DISCARD_ZERO_CHG:
if (ch_peer == 0 && ch_self == 0) {
rv = test_bit(RESOLVE_CONFLICTS, &peer_device->connection->flags)
@@ -2979,6 +2981,7 @@ static int drbd_asb_recover_0p(struct drbd_peer_device *peer_device) __must_hold
}
if (after_sb_0p == ASB_DISCARD_ZERO_CHG)
break;
+ /* else: fall through */
case ASB_DISCARD_LEAST_CHG:
if (ch_self < ch_peer)
rv = -1;