diff --git a/fs/lockd/Makefile b/fs/lockd/Makefile
index 7725a0a..97f6073 100644
--- a/fs/lockd/Makefile
+++ b/fs/lockd/Makefile
@@ -5,6 +5,6 @@
 obj-$(CONFIG_LOCKD) += lockd.o
 
 lockd-objs-y := clntlock.o clntproc.o host.o svc.o svclock.o svcshare.o \
-	        svcproc.o svcsubs.o mon.o xdr.o
+	        svcproc.o svcsubs.o mon.o xdr.o grace.o
 lockd-objs-$(CONFIG_LOCKD_V4) += xdr4.o svc4proc.o
 lockd-objs		      := $(lockd-objs-y)
diff --git a/fs/lockd/grace.c b/fs/lockd/grace.c
new file mode 100644
index 0000000..183cc1f
--- /dev/null
+++ b/fs/lockd/grace.c
@@ -0,0 +1,59 @@
+/*
+ * Common code for control of lockd and nfsv4 grace periods.
+ */
+
+#include <linux/module.h>
+#include <linux/lockd/bind.h>
+
+static LIST_HEAD(grace_list);
+static DEFINE_SPINLOCK(grace_lock);
+
+/**
+ * locks_start_grace
+ * @lm: who this grace period is for
+ *
+ * A grace period is a period during which locks should not be given
+ * out.  Currently grace periods are only enforced by the two lock
+ * managers (lockd and nfsd), using the locks_in_grace() function to
+ * check when they are in a grace period.
+ *
+ * This function is called to start a grace period.
+ */
+void locks_start_grace(struct lock_manager *lm)
+{
+	spin_lock(&grace_lock);
+	list_add(&lm->list, &grace_list);
+	spin_unlock(&grace_lock);
+}
+EXPORT_SYMBOL_GPL(locks_start_grace);
+
+/**
+ * locks_end_grace
+ * @lm: who this grace period is for
+ *
+ * Call this function to state that the given lock manager is ready to
+ * resume regular locking.  The grace period will not end until all lock
+ * managers that called locks_start_grace() also call locks_end_grace().
+ * Note that callers count on it being safe to call this more than once,
+ * and the second call should be a no-op.
+ */
+void locks_end_grace(struct lock_manager *lm)
+{
+	spin_lock(&grace_lock);
+	list_del_init(&lm->list);
+	spin_unlock(&grace_lock);
+}
+EXPORT_SYMBOL_GPL(locks_end_grace);
+
+/**
+ * locks_in_grace
+ *
+ * Lock managers call this function to determine when it is OK for them
+ * to answer ordinary lock requests, and when they should accept only
+ * lock reclaims.
+ */
+int locks_in_grace(void)
+{
+	return !list_empty(&grace_list);
+}
+EXPORT_SYMBOL_GPL(locks_in_grace);
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index f345ef7..f013aed 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -51,7 +51,6 @@
 static unsigned int		nlmsvc_users;
 static struct task_struct	*nlmsvc_task;
 static struct svc_rqst		*nlmsvc_rqst;
-int				nlmsvc_grace_period;
 unsigned long			nlmsvc_timeout;
 
 /*
@@ -85,30 +84,21 @@
 		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 struct lock_manager lockd_manager = {
+};
 
 static void grace_ender(struct work_struct *not_used)
 {
-	nlmsvc_grace_period = 0;
+	locks_end_grace(&lockd_manager);
 }
 
 static DECLARE_DELAYED_WORK(grace_period_end, grace_ender);
 
 static void set_grace_period(void)
 {
-	unsigned long grace_period = get_nfs_grace_period() + jiffies;
+	unsigned long grace_period = get_lockd_grace_period();
 
-	nlmsvc_grace_period = 1;
+	locks_start_grace(&lockd_manager);
 	cancel_delayed_work_sync(&grace_period_end);
 	schedule_delayed_work(&grace_period_end, grace_period);
 }
diff --git a/fs/lockd/svc4proc.c b/fs/lockd/svc4proc.c
index 4a714f64..7ca6173 100644
--- a/fs/lockd/svc4proc.c
+++ b/fs/lockd/svc4proc.c
@@ -89,7 +89,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept test requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rc;
 	}
@@ -123,7 +123,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period && !argp->reclaim) {
+	if (locks_in_grace() && !argp->reclaim) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rc;
 	}
@@ -169,7 +169,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -202,7 +202,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -341,7 +341,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period && !argp->reclaim) {
+	if (locks_in_grace() && !argp->reclaim) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -374,7 +374,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
diff --git a/fs/lockd/svcproc.c b/fs/lockd/svcproc.c
index 76262c1..1b013e1 100644
--- a/fs/lockd/svcproc.c
+++ b/fs/lockd/svcproc.c
@@ -118,7 +118,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept test requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rc;
 	}
@@ -153,7 +153,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period && !argp->reclaim) {
+	if (locks_in_grace() && !argp->reclaim) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rc;
 	}
@@ -199,7 +199,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -232,7 +232,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -373,7 +373,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept new lock requests during grace period */
-	if (nlmsvc_grace_period && !argp->reclaim) {
+	if (locks_in_grace() && !argp->reclaim) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
@@ -406,7 +406,7 @@
 	resp->cookie = argp->cookie;
 
 	/* Don't accept requests during grace period */
-	if (nlmsvc_grace_period) {
+	if (locks_in_grace()) {
 		resp->status = nlm_lck_denied_grace_period;
 		return rpc_success;
 	}
diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 15c6fae..b2786a5 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -70,7 +70,6 @@
 static struct nlmsvc_binding	nfsd_nlm_ops = {
 	.fopen		= nlm_fopen,		/* open file for locking */
 	.fclose		= nlm_fclose,		/* close file */
-	.get_grace_period = get_nfs4_grace_period,
 };
 
 void
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index e5b51ff..669461e 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -201,10 +201,10 @@
 	/* Openowner is now set, so sequence id will get bumped.  Now we need
 	 * these checks before we do any creates: */
 	status = nfserr_grace;
-	if (nfs4_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
+	if (locks_in_grace() && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
 		goto out;
 	status = nfserr_no_grace;
-	if (!nfs4_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
+	if (!locks_in_grace() && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
 		goto out;
 
 	switch (open->op_claim_type) {
@@ -575,7 +575,7 @@
 {
 	__be32 status;
 
-	if (nfs4_in_grace())
+	if (locks_in_grace())
 		return nfserr_grace;
 	status = nfsd_unlink(rqstp, &cstate->current_fh, 0,
 			     remove->rm_name, remove->rm_namelen);
@@ -596,7 +596,7 @@
 
 	if (!cstate->save_fh.fh_dentry)
 		return status;
-	if (nfs4_in_grace() && !(cstate->save_fh.fh_export->ex_flags
+	if (locks_in_grace() && !(cstate->save_fh.fh_export->ex_flags
 					& NFSEXP_NOSUBTREECHECK))
 		return nfserr_grace;
 	status = nfsd_rename(rqstp, &cstate->save_fh, rename->rn_sname,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 1578d7a..0cc7ff5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -61,7 +61,6 @@
 static time_t lease_time = 90;     /* default lease time */
 static time_t user_lease_time = 90;
 static time_t boot_time;
-static int in_grace = 1;
 static u32 current_ownerid = 1;
 static u32 current_fileid = 1;
 static u32 current_delegid = 1;
@@ -1640,7 +1639,7 @@
 		case NFS4_OPEN_CLAIM_NULL:
 			/* Let's not give out any delegations till everyone's
 			 * had the chance to reclaim theirs.... */
-			if (nfs4_in_grace())
+			if (locks_in_grace())
 				goto out;
 			if (!atomic_read(&cb->cb_set) || !sop->so_confirmed)
 				goto out;
@@ -1816,12 +1815,15 @@
 	return status;
 }
 
+struct lock_manager nfsd4_manager = {
+};
+
 static void
-end_grace(void)
+nfsd4_end_grace(void)
 {
 	dprintk("NFSD: end of grace period\n");
 	nfsd4_recdir_purge_old();
-	in_grace = 0;
+	locks_end_grace(&nfsd4_manager);
 }
 
 static time_t
@@ -1838,8 +1840,8 @@
 	nfs4_lock_state();
 
 	dprintk("NFSD: laundromat service - starting\n");
-	if (in_grace)
-		end_grace();
+	if (locks_in_grace())
+		nfsd4_end_grace();
 	list_for_each_safe(pos, next, &client_lru) {
 		clp = list_entry(pos, struct nfs4_client, cl_lru);
 		if (time_after((unsigned long)clp->cl_time, (unsigned long)cutoff)) {
@@ -1974,7 +1976,7 @@
 		return nfserr_bad_stateid;
 	else if (ONE_STATEID(stateid) && (flags & RD_STATE))
 		return nfs_ok;
-	else if (nfs4_in_grace()) {
+	else if (locks_in_grace()) {
 		/* Answer in remaining cases depends on existance of
 		 * conflicting state; so we must wait out the grace period. */
 		return nfserr_grace;
@@ -1993,7 +1995,7 @@
 static inline int
 io_during_grace_disallowed(struct inode *inode, int flags)
 {
-	return nfs4_in_grace() && (flags & (RD_STATE | WR_STATE))
+	return locks_in_grace() && (flags & (RD_STATE | WR_STATE))
 		&& mandatory_lock(inode);
 }
 
@@ -2693,10 +2695,10 @@
 	filp = lock_stp->st_vfs_file;
 
 	status = nfserr_grace;
-	if (nfs4_in_grace() && !lock->lk_reclaim)
+	if (locks_in_grace() && !lock->lk_reclaim)
 		goto out;
 	status = nfserr_no_grace;
-	if (!nfs4_in_grace() && lock->lk_reclaim)
+	if (!locks_in_grace() && lock->lk_reclaim)
 		goto out;
 
 	locks_init_lock(&file_lock);
@@ -2779,7 +2781,7 @@
 	int error;
 	__be32 status;
 
-	if (nfs4_in_grace())
+	if (locks_in_grace())
 		return nfserr_grace;
 
 	if (check_lock_length(lockt->lt_offset, lockt->lt_length))
@@ -3192,9 +3194,9 @@
 	unsigned long grace_time;
 
 	boot_time = get_seconds();
-	grace_time = get_nfs_grace_period();
+	grace_time = get_nfs4_grace_period();
 	lease_time = user_lease_time;
-	in_grace = 1;
+	locks_start_grace(&nfsd4_manager);
 	printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
 	       grace_time/HZ);
 	laundry_wq = create_singlethread_workqueue("nfsd4");
@@ -3213,12 +3215,6 @@
 	return;
 }
 
-int
-nfs4_in_grace(void)
-{
-	return in_grace;
-}
-
 time_t
 nfs4_lease_time(void)
 {