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From:   Lorenzo Bianconi <lorenzo@kernel.org>
To:     linux-nfs@vger.kernel.org
Cc:     lorenzo.bianconi@redhat.com, chuck.lever@oracle.com,
        jlayton@kernel.org, neilb@suse.de
Subject: [PATCH v5 1/2] SUNRPC: add verbose parameter to __svc_print_addr()
Date:   Fri,  4 Aug 2023 19:16:07 +0200
Message-ID: <d0e0e9cacaf90940417c6cf2fb0baff817386643.1691169103.git.lorenzo@kernel.org>
In-Reply-To: <cover.1691169103.git.lorenzo@kernel.org>
References: <cover.1691169103.git.lorenzo@kernel.org>
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Introduce verbose parameter to utility routine in order to reduce output
verbosity. This is a preliminary patch to add rpc_status entry in nfsd
debug filesystem in order to dump pending RPC requests debugging
information.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 include/linux/sunrpc/svc_xprt.h | 12 ++++++------
 net/sunrpc/svc_xprt.c           |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index a6b12631db21..285bb25798c6 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -209,21 +209,21 @@ static inline unsigned short svc_xprt_remote_port(const struct svc_xprt *xprt)
 }
 
 static inline char *__svc_print_addr(const struct sockaddr *addr,
-				     char *buf, const size_t len)
+				     char *buf, const size_t len,
+				     bool verbose)
 {
 	const struct sockaddr_in *sin = (const struct sockaddr_in *)addr;
 	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)addr;
 
 	switch (addr->sa_family) {
 	case AF_INET:
-		snprintf(buf, len, "%pI4, port=%u", &sin->sin_addr,
-			ntohs(sin->sin_port));
+		snprintf(buf, len, "%pI4%s%hu", &sin->sin_addr,
+			 verbose ? ", port=" : " ", ntohs(sin->sin_port));
 		break;
 
 	case AF_INET6:
-		snprintf(buf, len, "%pI6, port=%u",
-			 &sin6->sin6_addr,
-			ntohs(sin6->sin6_port));
+		snprintf(buf, len, "%pI6%s%hu", &sin6->sin6_addr,
+			 verbose ? ", port=" : " ", ntohs(sin6->sin6_port));
 		break;
 
 	default:
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 62c7919ea610..16b794d291a4 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -386,7 +386,7 @@ EXPORT_SYMBOL_GPL(svc_xprt_copy_addrs);
  */
 char *svc_print_addr(struct svc_rqst *rqstp, char *buf, size_t len)
 {
-	return __svc_print_addr(svc_addr(rqstp), buf, len);
+	return __svc_print_addr(svc_addr(rqstp), buf, len, true);
 }
 EXPORT_SYMBOL_GPL(svc_print_addr);
 
-- 
2.41.0