5 files changed, 25 insertions, 16 deletions

diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index bd2eba530667..aff924a24abb 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -234,7 +234,7 @@ enum nfs_opnum4 {
 Needs to be updated if more operations are defined in future.*/
 
 #define FIRST_NFS4_OP   OP_ACCESS
-#define LAST_NFS4_OP    OP_RELEASE_LOCKOWNER
+#define LAST_NFS4_OP    OP_RECLAIM_COMPLETE
 
 enum nfsstat4 {
         NFS4_OK = 0,
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index 2b49d676d0c9..2812ed52669d 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -56,6 +56,9 @@ extern struct svc_version	nfsd_version2, nfsd_version3,
 extern u32                      nfsd_supported_minorversion;
 extern struct mutex             nfsd_mutex;
 extern struct svc_serv          *nfsd_serv;
+extern spinlock_t               nfsd_drc_lock;
+extern unsigned int             nfsd_drc_max_mem;
+extern unsigned int             nfsd_drc_mem_used;
 
 extern struct seq_operations nfs_exports_op;
 
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 57ab2ed08459..58bb19784e12 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -96,6 +96,7 @@ struct nfs4_cb_conn {
 #define NFSD_MAX_SLOTS_PER_SESSION      128
 /* Maximum number of pages per slot cache entry */
 #define NFSD_PAGES_PER_SLOT     1
+#define NFSD_SLOT_CACHE_SIZE            PAGE_SIZE
 /* Maximum number of operations per session compound */
 #define NFSD_MAX_OPS_PER_COMPOUND       16
 
@@ -126,6 +127,25 @@ struct nfsd4_channel_attrs {
         u32             rdma_attrs;
 };
 
+struct nfsd4_create_session {
+        clientid_t                      clientid;
+        struct nfs4_sessionid           sessionid;
+        u32                             seqid;
+        u32                             flags;
+        struct nfsd4_channel_attrs      fore_channel;
+        struct nfsd4_channel_attrs      back_channel;
+        u32                             callback_prog;
+        u32                             uid;
+        u32                             gid;
+};
+
+/* The single slot clientid cache structure */
+struct nfsd4_clid_slot {
+        u32                             sl_seqid;
+        __be32                          sl_status;
+        struct nfsd4_create_session     sl_cr_ses;
+};
+
 struct nfsd4_session {
         struct kref             se_ref;
         struct list_head        se_hash;        /* hash by sessionid */
@@ -192,7 +212,7 @@ struct nfs4_client {
 
         /* for nfs41 */
         struct list_head        cl_sessions;
-        struct nfsd4_slot       cl_slot;        /* create_session slot */
+        struct nfsd4_clid_slot  cl_cs_slot;     /* create_session slot */
         u32                     cl_exchange_flags;
         struct nfs4_sessionid   cl_sessionid;
 };
diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h
index 2bacf7535069..5e4beb0deb80 100644
--- a/include/linux/nfsd/xdr4.h
+++ b/include/linux/nfsd/xdr4.h
@@ -366,18 +366,6 @@ struct nfsd4_exchange_id {
         int             spa_how;
 };
 
-struct nfsd4_create_session {
-        clientid_t              clientid;
-        struct nfs4_sessionid   sessionid;
-        u32                     seqid;
-        u32                     flags;
-        struct nfsd4_channel_attrs fore_channel;
-        struct nfsd4_channel_attrs back_channel;
-        u32                     callback_prog;
-        u32                     uid;
-        u32                     gid;
-};
-
 struct nfsd4_sequence {
         struct nfs4_sessionid   sessionid;              /* request/response */
         u32                     seqid;                  /* request/response */
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index ea8009695c69..52e8cb0a7569 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -94,8 +94,6 @@ struct svc_serv {
         struct module *         sv_module;      /* optional module to count when
                                                  * adding threads */
         svc_thread_fn           sv_function;    /* main function for threads */
-        unsigned int            sv_drc_max_pages; /* Total pages for DRC */
-        unsigned int            sv_drc_pages_used;/* DRC pages used */
 #if defined(CONFIG_NFS_V4_1)
         struct list_head        sv_cb_list;     /* queue for callback requests
                                                  * that arrive over the same