NFSd: make nfsd4_manager allocated per network namespace context.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index 3936563..e99767d 100644 (file)
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -34,6 +34,8 @@ struct nfsd_net {
 
        struct cache_detail *idtoname_cache;
        struct cache_detail *nametoid_cache;
+
+       struct lock_manager nfsd4_manager;
 };
 
 extern int nfsd_net_id;

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index fddb18b..4a44b50 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -46,6 +46,8 @@
 #include "current_stateid.h"
 #include "fault_inject.h"
 
+#include "netns.h"
+
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
 /* Globals */
@@ -3116,22 +3118,21 @@ out:
        return status;
 }
 
-static struct lock_manager nfsd4_manager = {
-};
-
 static bool grace_ended;
 
 static void
-nfsd4_end_grace(void)
+nfsd4_end_grace(struct net *net)
 {
+       struct nfsd_net *nn = net_generic(net, nfsd_net_id);
+
        /* do nothing if grace period already ended */
        if (grace_ended)
                return;
 
        dprintk("NFSD: end of grace period\n");
        grace_ended = true;
-       nfsd4_record_grace_done(&init_net, boot_time);
-       locks_end_grace(&nfsd4_manager);
+       nfsd4_record_grace_done(net, boot_time);
+       locks_end_grace(&nn->nfsd4_manager);
        /*
         * Now that every NFSv4 client has had the chance to recover and
         * to see the (possibly new, possibly shorter) lease time, we
@@ -3154,7 +3155,7 @@ nfs4_laundromat(void)
        nfs4_lock_state();
 
        dprintk("NFSD: laundromat service - starting\n");
-       nfsd4_end_grace();
+       nfsd4_end_grace(&init_net);
        INIT_LIST_HEAD(&reaplist);
        spin_lock(&client_lock);
        list_for_each_safe(pos, next, &client_lru) {
@@ -4688,6 +4689,8 @@ set_max_delegations(void)
 int
 nfs4_state_start(void)
 {
+       struct net *net = &init_net;
+       struct nfsd_net *nn = net_generic(net, nfsd_net_id);
        int ret;
 
        /*
@@ -4697,10 +4700,10 @@ nfs4_state_start(void)
         * to that instead and then do most of the rest of this on a per-net
         * basis.
         */
-       get_net(&init_net);
-       nfsd4_client_tracking_init(&init_net);
+       get_net(net);
+       nfsd4_client_tracking_init(net);
        boot_time = get_seconds();
-       locks_start_grace(&nfsd4_manager);
+       locks_start_grace(&nn->nfsd4_manager);
        grace_ended = false;
        printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
               nfsd4_grace);
@@ -4723,8 +4726,8 @@ nfs4_state_start(void)
 out_free_laundry:
        destroy_workqueue(laundry_wq);
 out_recovery:
-       nfsd4_client_tracking_exit(&init_net);
-       put_net(&init_net);
+       nfsd4_client_tracking_exit(net);
+       put_net(net);
        return ret;
 }
 
@@ -4765,9 +4768,12 @@ __nfs4_state_shutdown(void)
 void
 nfs4_state_shutdown(void)
 {
+       struct net *net = &init_net;
+       struct nfsd_net *nn = net_generic(net, nfsd_net_id);
+
        cancel_delayed_work_sync(&laundromat_work);
        destroy_workqueue(laundry_wq);
-       locks_end_grace(&nfsd4_manager);
+       locks_end_grace(&nn->nfsd4_manager);
        nfs4_lock_state();
        __nfs4_state_shutdown();
        nfs4_unlock_state();