diff options
| author |   NeilBrown <neilb@suse.de> | 2014-05-12 11:22:47 +1000 |
|---|---|---|
| committer |   J. Bruce Fields <bfields@redhat.com> | 2014-05-22 15:59:18 -0400 |
| commit | ef11ce24875a8a540adc185e7bce3d7d49c8296f (patch) | |
| tree | cd5f2a2281c3aa9f840611109453d9843376139c /net/sunrpc/svcsock.c | |
| parent | SUNRPC: Fix a module reference leak in svc_handle_xprt (diff) | |
| download | linux-dev-ef11ce24875a8a540adc185e7bce3d7d49c8296f.tar.xz linux-dev-ef11ce24875a8a540adc185e7bce3d7d49c8296f.zip | |
SUNRPC: track whether a request is coming from a loop-back interface.
If an incoming NFS request is coming from the local host, then
nfsd will need to perform some special handling. So detect that
possibility and make the source visible in rq_local.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc/svcsock.c')
| -rw-r--r-- | net/sunrpc/svcsock.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 0cb34f5d58dc..f3b8eb309d01 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -874,6 +874,10 @@ static struct svc_xprt *svc_tcp_accept(struct svc_xprt *xprt) } svc_xprt_set_local(&newsvsk->sk_xprt, sin, slen); + if (sock_is_loopback(newsock->sk)) + set_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); + else + clear_bit(XPT_LOCAL, &newsvsk->sk_xprt.xpt_flags); if (serv->sv_stats) serv->sv_stats->nettcpconn++; @@ -1119,6 +1123,7 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_xprt_ctxt = NULL; rqstp->rq_prot = IPPROTO_TCP; + rqstp->rq_local = !!test_bit(XPT_LOCAL, &svsk->sk_xprt.xpt_flags); p = (__be32 *)rqstp->rq_arg.head[0].iov_base; calldir = p[1]; |