Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux

* 'for-3.1' of git://linux-nfs.org/~bfields/linux:
  nfsd: don't break lease on CLAIM_DELEGATE_CUR
  locks: rename lock-manager ops
  nfsd4: update nfsv4.1 implementation notes
  nfsd: turn on reply cache for NFSv4
  nfsd4: call nfsd4_release_compoundargs from pc_release
  nfsd41: Deny new lock before RECLAIM_COMPLETE done
  fs: locks: remove init_once
  nfsd41: check the size of request
  nfsd41: error out when client sets maxreq_sz or maxresp_sz too small
  nfsd4: fix file leak on open_downgrade
  nfsd4: remember to put RW access on stateid destruction
  NFSD: Added TEST_STATEID operation
  NFSD: added FREE_STATEID operation
  svcrpc: fix list-corrupting race on nfsd shutdown
  rpc: allow autoloading of gss mechanisms
  svcauth_unix.c: quiet sparse noise
  svcsock.c: include sunrpc.h to quiet sparse noise
  nfsd: Remove deprecated nfsctl system call and related code.
  NFSD: allow OP_DESTROY_CLIENTID to be only op in COMPOUND

Fix up trivial conflicts in Documentation/feature-removal-schedule.txt

5 files changed, 44 insertions, 87 deletions

diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index c3b7533..8c67890 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -744,6 +744,13 @@ static struct pf_desc gss_kerberos_pfs[] = {
 	},
 };
 
+MODULE_ALIAS("rpc-auth-gss-krb5");
+MODULE_ALIAS("rpc-auth-gss-krb5i");
+MODULE_ALIAS("rpc-auth-gss-krb5p");
+MODULE_ALIAS("rpc-auth-gss-390003");
+MODULE_ALIAS("rpc-auth-gss-390004");
+MODULE_ALIAS("rpc-auth-gss-390005");
+
 static struct gss_api_mech gss_kerberos_mech = {
 	.gm_name	= "krb5",
 	.gm_owner	= THIS_MODULE,
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index e3c36a2..ca8cad8 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -141,7 +141,7 @@ gss_mech_get(struct gss_api_mech *gm)
 EXPORT_SYMBOL_GPL(gss_mech_get);
 
 struct gss_api_mech *
-gss_mech_get_by_name(const char *name)
+_gss_mech_get_by_name(const char *name)
 {
 	struct gss_api_mech	*pos, *gm = NULL;
 
@@ -158,6 +158,17 @@ gss_mech_get_by_name(const char *name)
 
 }
 
+struct gss_api_mech * gss_mech_get_by_name(const char *name)
+{
+	struct gss_api_mech *gm = NULL;
+
+	gm = _gss_mech_get_by_name(name);
+	if (!gm) {
+		request_module("rpc-auth-gss-%s", name);
+		gm = _gss_mech_get_by_name(name);
+	}
+	return gm;
+}
 EXPORT_SYMBOL_GPL(gss_mech_get_by_name);
 
 struct gss_api_mech *
@@ -194,10 +205,9 @@ mech_supports_pseudoflavor(struct gss_api_mech *gm, u32 pseudoflavor)
 	return 0;
 }
 
-struct gss_api_mech *
-gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
+struct gss_api_mech *_gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
 {
-	struct gss_api_mech *pos, *gm = NULL;
+	struct gss_api_mech *gm = NULL, *pos;
 
 	spin_lock(&registered_mechs_lock);
 	list_for_each_entry(pos, &registered_mechs, gm_list) {
@@ -213,6 +223,20 @@ gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
 	return gm;
 }
 
+struct gss_api_mech *
+gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
+{
+	struct gss_api_mech *gm;
+
+	gm = _gss_mech_get_by_pseudoflavor(pseudoflavor);
+
+	if (!gm) {
+		request_module("rpc-auth-gss-%u", pseudoflavor);
+		gm = _gss_mech_get_by_pseudoflavor(pseudoflavor);
+	}
+	return gm;
+}
+
 EXPORT_SYMBOL_GPL(gss_mech_get_by_pseudoflavor);
 
 int gss_mech_list_pseudoflavors(rpc_authflavor_t *array_ptr)
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index ab86b79..bd31208 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -902,12 +902,13 @@ void svc_delete_xprt(struct svc_xprt *xprt)
 	if (!test_and_set_bit(XPT_DETACHED, &xprt->xpt_flags))
 		list_del_init(&xprt->xpt_list);
 	/*
-	 * We used to delete the transport from whichever list
-	 * it's sk_xprt.xpt_ready node was on, but we don't actually
-	 * need to.  This is because the only time we're called
-	 * while still attached to a queue, the queue itself
-	 * is about to be destroyed (in svc_destroy).
+	 * The only time we're called while xpt_ready is still on a list
+	 * is while the list itself is about to be destroyed (in
+	 * svc_destroy).  BUT svc_xprt_enqueue could still be attempting
+	 * to add new entries to the sp_sockets list, so we can't leave
+	 * a freed xprt on it.
 	 */
+	list_del_init(&xprt->xpt_ready);
 	if (test_bit(XPT_TEMP, &xprt->xpt_flags))
 		serv->sv_tmpcnt--;
 	spin_unlock_bh(&serv->sv_lock);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index c8e1021..ce13632 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -30,12 +30,10 @@
 
 struct unix_domain {
 	struct auth_domain	h;
-#ifdef CONFIG_NFSD_DEPRECATED
-	int	addr_changes;
-#endif /* CONFIG_NFSD_DEPRECATED */
 	/* other stuff later */
 };
 
+extern struct auth_ops svcauth_null;
 extern struct auth_ops svcauth_unix;
 
 static void svcauth_unix_domain_release(struct auth_domain *dom)
@@ -74,9 +72,6 @@ struct auth_domain *unix_domain_find(char *name)
 			return NULL;
 		}
 		new->h.flavour = &svcauth_unix;
-#ifdef CONFIG_NFSD_DEPRECATED
-		new->addr_changes = 0;
-#endif /* CONFIG_NFSD_DEPRECATED */
 		rv = auth_domain_lookup(name, &new->h);
 	}
 }
@@ -95,9 +90,6 @@ struct ip_map {
 	char			m_class[8]; /* e.g. "nfsd" */
 	struct in6_addr		m_addr;
 	struct unix_domain	*m_client;
-#ifdef CONFIG_NFSD_DEPRECATED
-	int			m_add_change;
-#endif /* CONFIG_NFSD_DEPRECATED */
 };
 
 static void ip_map_put(struct kref *kref)
@@ -151,9 +143,6 @@ static void update(struct cache_head *cnew, struct cache_head *citem)
 
 	kref_get(&item->m_client->h.ref);
 	new->m_client = item->m_client;
-#ifdef CONFIG_NFSD_DEPRECATED
-	new->m_add_change = item->m_add_change;
-#endif /* CONFIG_NFSD_DEPRECATED */
 }
 static struct cache_head *ip_map_alloc(void)
 {
@@ -338,16 +327,6 @@ static int __ip_map_update(struct cache_detail *cd, struct ip_map *ipm,
 	ip.h.flags = 0;
 	if (!udom)
 		set_bit(CACHE_NEGATIVE, &ip.h.flags);
-#ifdef CONFIG_NFSD_DEPRECATED
-	else {
-		ip.m_add_change = udom->addr_changes;
-		/* if this is from the legacy set_client system call,
-		 * we need m_add_change to be one higher
-		 */
-		if (expiry == NEVER)
-			ip.m_add_change++;
-	}
-#endif /* CONFIG_NFSD_DEPRECATED */
 	ip.h.expiry_time = expiry;
 	ch = sunrpc_cache_update(cd, &ip.h, &ipm->h,
 				 hash_str(ipm->m_class, IP_HASHBITS) ^
@@ -367,62 +346,6 @@ static inline int ip_map_update(struct net *net, struct ip_map *ipm,
 	return __ip_map_update(sn->ip_map_cache, ipm, udom, expiry);
 }
 
-#ifdef CONFIG_NFSD_DEPRECATED
-int auth_unix_add_addr(struct net *net, struct in6_addr *addr, struct auth_domain *dom)
-{
-	struct unix_domain *udom;
-	struct ip_map *ipmp;
-
-	if (dom->flavour != &svcauth_unix)
-		return -EINVAL;
-	udom = container_of(dom, struct unix_domain, h);
-	ipmp = ip_map_lookup(net, "nfsd", addr);
-
-	if (ipmp)
-		return ip_map_update(net, ipmp, udom, NEVER);
-	else
-		return -ENOMEM;
-}
-EXPORT_SYMBOL_GPL(auth_unix_add_addr);
-
-int auth_unix_forget_old(struct auth_domain *dom)
-{
-	struct unix_domain *udom;
-
-	if (dom->flavour != &svcauth_unix)
-		return -EINVAL;
-	udom = container_of(dom, struct unix_domain, h);
-	udom->addr_changes++;
-	return 0;
-}
-EXPORT_SYMBOL_GPL(auth_unix_forget_old);
-
-struct auth_domain *auth_unix_lookup(struct net *net, struct in6_addr *addr)
-{
-	struct ip_map *ipm;
-	struct auth_domain *rv;
-	struct sunrpc_net *sn;
-
-	sn = net_generic(net, sunrpc_net_id);
-	ipm = ip_map_lookup(net, "nfsd", addr);
-
-	if (!ipm)
-		return NULL;
-	if (cache_check(sn->ip_map_cache, &ipm->h, NULL))
-		return NULL;
-
-	if ((ipm->m_client->addr_changes - ipm->m_add_change) >0) {
-		sunrpc_invalidate(&ipm->h, sn->ip_map_cache);
-		rv = NULL;
-	} else {
-		rv = &ipm->m_client->h;
-		kref_get(&rv->ref);
-	}
-	cache_put(&ipm->h, sn->ip_map_cache);
-	return rv;
-}
-EXPORT_SYMBOL_GPL(auth_unix_lookup);
-#endif /* CONFIG_NFSD_DEPRECATED */
 
 void svcauth_unix_purge(void)
 {
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index af04f77..f2cb5b8 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -51,6 +51,8 @@
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/xprt.h>
 
+#include "sunrpc.h"
+
 #define RPCDBG_FACILITY	RPCDBG_SVCXPRT