Pull bugzilla-7880 into release branch

[sfrench/cifs-2.6.git] / fs / lockd / svc.c

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 126b1bf02c0ec2d8b5c051eb1e29acf27d6a32b3..82e2192a0d5c873a72b867702c511b0c8872f6a7 100644 (file)
--- 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);