summaryrefslogtreecommitdiffstats
path: root/fs/lockd
diff options
context:
space:
mode:
Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/host.c39
-rw-r--r--fs/lockd/mon.c2
-rw-r--r--fs/lockd/svc.c35
3 files changed, 45 insertions, 31 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 96070bff93fc..572601e98dcd 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -44,9 +44,8 @@ static struct nsm_handle * nsm_find(const struct sockaddr_in *sin,
*/
static struct nlm_host *
nlm_lookup_host(int server, const struct sockaddr_in *sin,
- int proto, int version,
- const char *hostname,
- int hostname_len)
+ int proto, int version, const char *hostname,
+ int hostname_len, const struct sockaddr_in *ssin)
{
struct hlist_head *chain;
struct hlist_node *pos;
@@ -54,7 +53,9 @@ nlm_lookup_host(int server, const struct sockaddr_in *sin,
struct nsm_handle *nsm = NULL;
int hash;
- dprintk("lockd: nlm_lookup_host(%u.%u.%u.%u, p=%d, v=%d, my role=%s, name=%.*s)\n",
+ dprintk("lockd: nlm_lookup_host("NIPQUAD_FMT"->"NIPQUAD_FMT
+ ", p=%d, v=%d, my role=%s, name=%.*s)\n",
+ NIPQUAD(ssin->sin_addr.s_addr),
NIPQUAD(sin->sin_addr.s_addr), proto, version,
server? "server" : "client",
hostname_len,
@@ -91,6 +92,8 @@ nlm_lookup_host(int server, const struct sockaddr_in *sin,
continue;
if (host->h_server != server)
continue;
+ if (!nlm_cmp_addr(&host->h_saddr, ssin))
+ continue;
/* Move to head of hash chain. */
hlist_del(&host->h_hash);
@@ -118,6 +121,7 @@ nlm_lookup_host(int server, const struct sockaddr_in *sin,
host->h_name = nsm->sm_name;
host->h_addr = *sin;
host->h_addr.sin_port = 0; /* ouch! */
+ host->h_saddr = *ssin;
host->h_version = version;
host->h_proto = proto;
host->h_rpcclnt = NULL;
@@ -161,15 +165,9 @@ nlm_destroy_host(struct nlm_host *host)
*/
nsm_unmonitor(host);
- if ((clnt = host->h_rpcclnt) != NULL) {
- if (atomic_read(&clnt->cl_users)) {
- printk(KERN_WARNING
- "lockd: active RPC handle\n");
- clnt->cl_dead = 1;
- } else {
- rpc_destroy_client(host->h_rpcclnt);
- }
- }
+ clnt = host->h_rpcclnt;
+ if (clnt != NULL)
+ rpc_shutdown_client(clnt);
kfree(host);
}
@@ -180,8 +178,10 @@ struct nlm_host *
nlmclnt_lookup_host(const struct sockaddr_in *sin, int proto, int version,
const char *hostname, int hostname_len)
{
+ struct sockaddr_in ssin = {0};
+
return nlm_lookup_host(0, sin, proto, version,
- hostname, hostname_len);
+ hostname, hostname_len, &ssin);
}
/*
@@ -191,9 +191,12 @@ struct nlm_host *
nlmsvc_lookup_host(struct svc_rqst *rqstp,
const char *hostname, int hostname_len)
{
+ struct sockaddr_in ssin = {0};
+
+ ssin.sin_addr = rqstp->rq_daddr.addr;
return nlm_lookup_host(1, svc_addr_in(rqstp),
rqstp->rq_prot, rqstp->rq_vers,
- hostname, hostname_len);
+ hostname, hostname_len, &ssin);
}
/*
@@ -204,8 +207,9 @@ nlm_bind_host(struct nlm_host *host)
{
struct rpc_clnt *clnt;
- dprintk("lockd: nlm_bind_host(%08x)\n",
- (unsigned)ntohl(host->h_addr.sin_addr.s_addr));
+ dprintk("lockd: nlm_bind_host("NIPQUAD_FMT"->"NIPQUAD_FMT")\n",
+ NIPQUAD(host->h_saddr.sin_addr),
+ NIPQUAD(host->h_addr.sin_addr));
/* Lock host handle */
mutex_lock(&host->h_mutex);
@@ -232,6 +236,7 @@ nlm_bind_host(struct nlm_host *host)
.protocol = host->h_proto,
.address = (struct sockaddr *)&host->h_addr,
.addrsize = sizeof(host->h_addr),
+ .saddress = (struct sockaddr *)&host->h_saddr,
.timeout = &timeparms,
.servername = host->h_name,
.program = &nlm_program,
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 2102e2d0134d..3353ed8421a7 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -61,6 +61,7 @@ nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
status);
else
status = 0;
+ rpc_shutdown_client(clnt);
out:
return status;
}
@@ -138,7 +139,6 @@ nsm_create(void)
.program = &nsm_program,
.version = SM_VERSION,
.authflavor = RPC_AUTH_NULL,
- .flags = (RPC_CLNT_CREATE_ONESHOT),
};
return rpc_create(&args);
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 126b1bf02c0e..82e2192a0d5c 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -25,6 +25,7 @@
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/mutex.h>
+#include <linux/freezer.h>
#include <linux/sunrpc/types.h>
#include <linux/sunrpc/stats.h>
@@ -75,18 +76,31 @@ static const int nlm_port_min = 0, nlm_port_max = 65535;
static struct ctl_table_header * nlm_sysctl_table;
-static unsigned long set_grace_period(void)
+static unsigned long get_lockd_grace_period(void)
{
- unsigned long grace_period;
-
/* Note: nlm_timeout should always be nonzero */
if (nlm_grace_period)
- grace_period = ((nlm_grace_period + nlm_timeout - 1)
- / nlm_timeout) * nlm_timeout * HZ;
+ return roundup(nlm_grace_period, nlm_timeout) * HZ;
else
- grace_period = nlm_timeout * 5 * HZ;
+ return nlm_timeout * 5 * HZ;
+}
+
+unsigned long get_nfs_grace_period(void)
+{
+ unsigned long lockdgrace = get_lockd_grace_period();
+ unsigned long nfsdgrace = 0;
+
+ if (nlmsvc_ops)
+ nfsdgrace = nlmsvc_ops->get_grace_period();
+
+ return max(lockdgrace, nfsdgrace);
+}
+EXPORT_SYMBOL(get_nfs_grace_period);
+
+static unsigned long set_grace_period(void)
+{
nlmsvc_grace_period = 1;
- return grace_period + jiffies;
+ return get_nfs_grace_period() + jiffies;
}
static inline void clear_grace_period(void)
@@ -119,13 +133,11 @@ lockd(struct svc_rqst *rqstp)
complete(&lockd_start_done);
daemonize("lockd");
+ set_freezable();
/* Process request with signals blocked, but allow SIGKILL. */
allow_signal(SIGKILL);
- /* kick rpciod */
- rpciod_up();
-
dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
if (!nlm_timeout)
@@ -202,9 +214,6 @@ lockd(struct svc_rqst *rqstp)
/* Exit the RPC thread */
svc_exit_thread(rqstp);
- /* release rpciod */
- rpciod_down();
-
/* Release module */
unlock_kernel();
module_put_and_exit(0);