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| author | Chuck Lever <chuck.lever@oracle.com> | 2009-12-03 15:58:56 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-12-03 15:58:56 -0500 |
| commit | dd1fd90fe65e2e642f0e58e2ff4849f317a6c43d (patch) | |
| tree | 2519545d939d3ec6aab754f49866579c1e65b185 /net/sunrpc/addr.c | |
| parent | a01878aac57eac6eb4bf194788ab2cc440490d0f (diff) | |
| download | op-kernel-dev-dd1fd90fe65e2e642f0e58e2ff4849f317a6c43d.zip op-kernel-dev-dd1fd90fe65e2e642f0e58e2ff4849f317a6c43d.tar.gz | |
SUNRPC: Display compressed (shorthand) IPv6 presentation addresses
Recent changes to snprintf() introduced the %pI6c formatter, which can
display an IPv6 address with standard shorthanding. Using a
shorthanded address can save us a few bytes of memory for each stored
presentation address, or a few bytes on the wire when sending these in
a universal address.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/addr.c')
| -rw-r--r-- | net/sunrpc/addr.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c index c7450c8..6dcdd25 100644 --- a/net/sunrpc/addr.c +++ b/net/sunrpc/addr.c @@ -55,16 +55,8 @@ static size_t rpc_ntop6_noscopeid(const struct sockaddr *sap, /* * RFC 4291, Section 2.2.1 - * - * To keep the result as short as possible, especially - * since we don't shorthand, we don't want leading zeros - * in each halfword, so avoid %pI6. */ - return snprintf(buf, buflen, "%x:%x:%x:%x:%x:%x:%x:%x", - ntohs(addr->s6_addr16[0]), ntohs(addr->s6_addr16[1]), - ntohs(addr->s6_addr16[2]), ntohs(addr->s6_addr16[3]), - ntohs(addr->s6_addr16[4]), ntohs(addr->s6_addr16[5]), - ntohs(addr->s6_addr16[6]), ntohs(addr->s6_addr16[7])); + return snprintf(buf, buflen, "%pI6c", addr); } static size_t rpc_ntop6(const struct sockaddr *sap, |
