Merge tag 'nfsd-4.5' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Smaller bugfixes and cleanup, including a fix for a failures of
  kerberized NFSv4.1 mounts, and Scott Mayhew's work addressing ACK
  storms that can affect some high-availability NFS setups"

* tag 'nfsd-4.5' of git://linux-nfs.org/~bfields/linux:
  nfsd: add new io class tracepoint
  nfsd: give up on CB_LAYOUTRECALLs after two lease periods
  nfsd: Fix nfsd leaks sunrpc module references
  lockd: constify nlmsvc_binding structure
  lockd: use to_delayed_work
  nfsd: use to_delayed_work
  Revert "svcrdma: Do not send XDR roundup bytes for a write chunk"
  lockd: Register callbacks on the inetaddr_chain and inet6addr_chain
  nfsd: Register callbacks on the inetaddr_chain and inet6addr_chain
  sunrpc: Add a function to close temporary transports immediately
  nfsd: don't base cl_cb_status on stale information
  nfsd4: fix gss-proxy 4.1 mounts for some AD principals
  nfsd: fix unlikely NULL deref in mach_creds_match
  nfsd: minor consolidation of mach_cred handling code
  nfsd: helper for dup of possibly NULL string
  svcrpc: move some initialization to common code
  nfsd: fix a warning message
  nfsd: constify nfsd4_callback_ops structure
  nfsd: recover: constify nfsd4_client_tracking_ops structures
  svcrdma: Do not send XDR roundup bytes for a write chunk

3 files changed, 10 insertions, 2 deletions

diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 4d24d64578c4..140edab64446 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -29,7 +29,7 @@ struct nlmsvc_binding {
 	void			(*fclose)(struct file *);
 };
 
-extern struct nlmsvc_binding *	nlmsvc_ops;
+extern const struct nlmsvc_binding *nlmsvc_ops;
 
 /*
  * Similar to nfs_client_initdata, but without the NFS-specific
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 78512cfe1fe6..b7dabc4baafd 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -128,6 +128,7 @@ struct	svc_xprt *svc_find_xprt(struct svc_serv *serv, const char *xcl_name,
 			const unsigned short port);
 int	svc_xprt_names(struct svc_serv *serv, char *buf, const int buflen);
 void	svc_add_new_perm_xprt(struct svc_serv *serv, struct svc_xprt *xprt);
+void	svc_age_temp_xprts_now(struct svc_serv *, struct sockaddr *);
 
 static inline void svc_xprt_get(struct svc_xprt *xprt)
 {
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index 8d71d6577459..c00f53a4ccdd 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -23,13 +23,19 @@ struct svc_cred {
 	kgid_t			cr_gid;
 	struct group_info	*cr_group_info;
 	u32			cr_flavor; /* pseudoflavor */
-	char			*cr_principal; /* for gss */
+	/* name of form servicetype/hostname@REALM, passed down by
+	 * gss-proxy: */
+	char			*cr_raw_principal;
+	/* name of form servicetype@hostname, passed down by
+	 * rpc.svcgssd, or computed from the above: */
+	char			*cr_principal;
 	struct gss_api_mech	*cr_gss_mech;
 };
 
 static inline void init_svc_cred(struct svc_cred *cred)
 {
 	cred->cr_group_info = NULL;
+	cred->cr_raw_principal = NULL;
 	cred->cr_principal = NULL;
 	cred->cr_gss_mech = NULL;
 }
@@ -38,6 +44,7 @@ static inline void free_svc_cred(struct svc_cred *cred)
 {
 	if (cred->cr_group_info)
 		put_group_info(cred->cr_group_info);
+	kfree(cred->cr_raw_principal);
 	kfree(cred->cr_principal);
 	gss_mech_put(cred->cr_gss_mech);
 	init_svc_cred(cred);