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Commit 4cb54ca2 authored by Stanislav Kinsbursky's avatar Stanislav Kinsbursky Committed by Trond Myklebust
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SUNRPC: search for service transports in network namespace context 



Service transports are parametrized by network namespace. And thus lookup of
transport instance have to take network namespace into account.

Signed-off-by: default avatarStanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent babea479

fs/lockd/svc.c

+1 −1
Original line number Diff line number Diff line
@@ -193,7 +193,7 @@ static int create_lockd_listener(struct svc_serv *serv, const char *name, 
{

	struct svc_xprt *xprt;



	xprt = svc_find_xprt(serv, name, family, 0);

	xprt = svc_find_xprt(serv, name, &init_net, family, 0);

	if (xprt == NULL)

		return svc_create_xprt(serv, name, &init_net, family, port,

						SVC_SOCK_DEFAULTS);

fs/nfsd/nfsctl.c

+2 −2
Original line number Diff line number Diff line
@@ -722,7 +722,7 @@ static ssize_t __write_ports_addxprt(char *buf) 
	nfsd_serv->sv_nrthreads--;

	return 0;

out_close:

	xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port);

	xprt = svc_find_xprt(nfsd_serv, transport, &init_net, PF_INET, port);

	if (xprt != NULL) {

		svc_close_xprt(xprt);

		svc_xprt_put(xprt);
@@ -748,7 +748,7 @@ static ssize_t __write_ports_delxprt(char *buf) 
	if (port < 1 || port > USHRT_MAX || nfsd_serv == NULL)

		return -EINVAL;



	xprt = svc_find_xprt(nfsd_serv, transport, AF_UNSPEC, port);

	xprt = svc_find_xprt(nfsd_serv, transport, &init_net, AF_UNSPEC, port);

	if (xprt == NULL)

		return -ENOTCONN;

include/linux/sunrpc/svc_xprt.h

+2 −1
Original line number Diff line number Diff line
@@ -121,7 +121,8 @@ void svc_close_xprt(struct svc_xprt *xprt); 
int	svc_port_is_privileged(struct sockaddr *sin);

int	svc_print_xprts(char *buf, int maxlen);

struct	svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name,

			const sa_family_t af, const unsigned short port);

			struct net *net, const sa_family_t af,

			const unsigned short port);

int	svc_xprt_names(struct svc_serv *serv, char *buf, const int buflen);



static inline void svc_xprt_get(struct svc_xprt *xprt)

net/sunrpc/svc_xprt.c

+5 −1
Original line number Diff line number Diff line
@@ -1089,6 +1089,7 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt) 
 * svc_find_xprt - find an RPC transport instance

 * @serv: pointer to svc_serv to search

 * @xcl_name: C string containing transport's class name

 * @net: owner net pointer

 * @af: Address family of transport's local address

 * @port: transport's IP port number

 *
@@ -1101,7 +1102,8 @@ static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt) 
 * service's list that has a matching class name.

 */

struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name,

			       const sa_family_t af, const unsigned short port)

			       struct net *net, const sa_family_t af,

			       const unsigned short port)

{

	struct svc_xprt *xprt;

	struct svc_xprt *found = NULL;
@@ -1112,6 +1114,8 @@ struct svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name, 


	spin_lock_bh(&serv->sv_lock);

	list_for_each_entry(xprt, &serv->sv_permsocks, xpt_list) {

		if (xprt->xpt_net != net)

			continue;

		if (strcmp(xprt->xpt_class->xcl_name, xcl_name))

			continue;

		if (af != AF_UNSPEC && af != xprt->xpt_local.ss_family)