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Date: Tue, 18 Aug 2020 08:26:37 -0400
From: Miaohe Lin <linmiaohe@...wei.com>
To: <idryomov@...il.com>, <jlayton@...nel.org>, <davem@...emloft.net>,
<kuba@...nel.org>, <grandmaster@...klimov.de>
CC: <ceph-devel@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH] libceph: Convert to use the preferred fallthrough macro
Convert the uses of fallthrough comments to fallthrough macro.
Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
net/ceph/ceph_hash.c | 20 ++++++++++----------
net/ceph/crush/mapper.c | 2 +-
net/ceph/messenger.c | 4 ++--
net/ceph/mon_client.c | 2 +-
net/ceph/osd_client.c | 4 ++--
5 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/net/ceph/ceph_hash.c b/net/ceph/ceph_hash.c
index 81e1e006c540..16a47c0eef37 100644
--- a/net/ceph/ceph_hash.c
+++ b/net/ceph/ceph_hash.c
@@ -50,35 +50,35 @@ unsigned int ceph_str_hash_rjenkins(const char *str, unsigned int length)
switch (len) {
case 11:
c = c + ((__u32)k[10] << 24);
- /* fall through */
+ fallthrough;
case 10:
c = c + ((__u32)k[9] << 16);
- /* fall through */
+ fallthrough;
case 9:
c = c + ((__u32)k[8] << 8);
/* the first byte of c is reserved for the length */
- /* fall through */
+ fallthrough;
case 8:
b = b + ((__u32)k[7] << 24);
- /* fall through */
+ fallthrough;
case 7:
b = b + ((__u32)k[6] << 16);
- /* fall through */
+ fallthrough;
case 6:
b = b + ((__u32)k[5] << 8);
- /* fall through */
+ fallthrough;
case 5:
b = b + k[4];
- /* fall through */
+ fallthrough;
case 4:
a = a + ((__u32)k[3] << 24);
- /* fall through */
+ fallthrough;
case 3:
a = a + ((__u32)k[2] << 16);
- /* fall through */
+ fallthrough;
case 2:
a = a + ((__u32)k[1] << 8);
- /* fall through */
+ fallthrough;
case 1:
a = a + k[0];
/* case 0: nothing left to add */
diff --git a/net/ceph/crush/mapper.c b/net/ceph/crush/mapper.c
index 07e5614eb3f1..7057f8db4f99 100644
--- a/net/ceph/crush/mapper.c
+++ b/net/ceph/crush/mapper.c
@@ -987,7 +987,7 @@ int crush_do_rule(const struct crush_map *map,
case CRUSH_RULE_CHOOSELEAF_FIRSTN:
case CRUSH_RULE_CHOOSE_FIRSTN:
firstn = 1;
- /* fall through */
+ fallthrough;
case CRUSH_RULE_CHOOSELEAF_INDEP:
case CRUSH_RULE_CHOOSE_INDEP:
if (wsize == 0)
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 27d6ab11f9ee..bdfd66ba3843 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -412,7 +412,7 @@ static void ceph_sock_state_change(struct sock *sk)
switch (sk->sk_state) {
case TCP_CLOSE:
dout("%s TCP_CLOSE\n", __func__);
- /* fall through */
+ fallthrough;
case TCP_CLOSE_WAIT:
dout("%s TCP_CLOSE_WAIT\n", __func__);
con_sock_state_closing(con);
@@ -2751,7 +2751,7 @@ static int try_read(struct ceph_connection *con)
switch (ret) {
case -EBADMSG:
con->error_msg = "bad crc/signature";
- /* fall through */
+ fallthrough;
case -EBADE:
ret = -EIO;
break;
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 3d8c8015e976..d633a0aeaa55 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -1307,7 +1307,7 @@ static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
* request had a non-zero tid. Work around this weirdness
* by allocating a new message.
*/
- /* fall through */
+ fallthrough;
case CEPH_MSG_MON_MAP:
case CEPH_MSG_MDS_MAP:
case CEPH_MSG_OSD_MAP:
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index e4fbcad6e7d8..7901ab6c79fd 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -3854,7 +3854,7 @@ static void scan_requests(struct ceph_osd *osd,
if (!force_resend && !force_resend_writes)
break;
- /* fall through */
+ fallthrough;
case CALC_TARGET_NEED_RESEND:
cancel_linger_map_check(lreq);
/*
@@ -3891,7 +3891,7 @@ static void scan_requests(struct ceph_osd *osd,
!force_resend_writes))
break;
- /* fall through */
+ fallthrough;
case CALC_TARGET_NEED_RESEND:
cancel_map_check(req);
unlink_request(osd, req);
--
2.19.1
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