nfsd41: hange from page to memory based drc limits

[safe/jmp/linux-2.6] / include / linux / nfsd / state.h

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 18dcffa..a6c87d6 100644 (file)
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -41,7 +41,6 @@
 #include <linux/kref.h>
 #include <linux/sunrpc/clnt.h>
 
-#define NFS4_OPAQUE_LIMIT 1024
 typedef struct {
        u32             cl_boot;
        u32             cl_id;
@@ -61,15 +60,6 @@ typedef struct {
 #define si_stateownerid   si_opaque.so_stateownerid
 #define si_fileid         si_opaque.so_fileid
 
-
-struct nfs4_cb_recall {
-       u32                     cbr_ident;
-       int                     cbr_trunc;
-       stateid_t               cbr_stateid;
-       struct knfsd_fh         cbr_fh;
-       struct nfs4_delegation  *cbr_dp;
-};
-
 struct nfs4_delegation {
        struct list_head        dl_perfile;
        struct list_head        dl_perclnt;
@@ -81,28 +71,32 @@ struct nfs4_delegation {
        struct file             *dl_vfs_file;
        u32                     dl_type;
        time_t                  dl_time;
-       struct nfs4_cb_recall   dl_recall;
+/* For recall: */
+       u32                     dl_ident;
+       stateid_t               dl_stateid;
+       struct knfsd_fh         dl_fh;
+       int                     dl_retries;
 };
 
-#define dl_stateid      dl_recall.cbr_stateid
-#define dl_fh           dl_recall.cbr_fh
-
 /* client delegation callback info */
-struct nfs4_callback {
+struct nfs4_cb_conn {
        /* SETCLIENTID info */
        u32                     cb_addr;
        unsigned short          cb_port;
        u32                     cb_prog;
-       u32                     cb_ident;
+       u32                     cb_minorversion;
+       u32                     cb_ident;       /* minorversion 0 only */
        /* RPC client info */
        atomic_t                cb_set;     /* successful CB_NULL call */
        struct rpc_clnt *       cb_client;
+       struct rpc_cred *       cb_cred;
 };
 
 /* Maximum number of slots per session. 128 is useful for long haul TCP */
 #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
 
@@ -122,6 +116,17 @@ struct nfsd4_slot {
        struct nfsd4_cache_entry        sl_cache_entry;
 };
 
+struct nfsd4_channel_attrs {
+       u32             headerpadsz;
+       u32             maxreq_sz;
+       u32             maxresp_sz;
+       u32             maxresp_cached;
+       u32             maxops;
+       u32             maxreqs;
+       u32             nr_rdma_attrs;
+       u32             rdma_attrs;
+};
+
 struct nfsd4_session {
        struct kref             se_ref;
        struct list_head        se_hash;        /* hash by sessionid */
@@ -129,11 +134,8 @@ struct nfsd4_session {
        u32                     se_flags;
        struct nfs4_client      *se_client;     /* for expire_client */
        struct nfs4_sessionid   se_sessionid;
-       u32                     se_fmaxreq_sz;
-       u32                     se_fmaxresp_sz;
-       u32                     se_fmaxresp_cached;
-       u32                     se_fmaxops;
-       u32                     se_fnumslots;
+       struct nfsd4_channel_attrs se_fchannel;
+       struct nfsd4_channel_attrs se_bchannel;
        struct nfsd4_slot       se_slots[];     /* forward channel slots */
 };
 
@@ -185,7 +187,7 @@ struct nfs4_client {
        struct svc_cred         cl_cred;        /* setclientid principal */
        clientid_t              cl_clientid;    /* generated by server */
        nfs4_verifier           cl_confirm;     /* generated by server */
-       struct nfs4_callback    cl_callback;    /* callback info */
+       struct nfs4_cb_conn     cl_cb_conn;     /* callback info */
        atomic_t                cl_count;       /* ref count */
        u32                     cl_firststate;  /* recovery dir creation */
 
@@ -320,6 +322,7 @@ struct nfs4_stateid {
 };
 
 /* flags for preprocess_seqid_op() */
+#define HAS_SESSION             0x00000001
 #define CONFIRM                 0x00000002
 #define OPEN_STATE              0x00000004
 #define LOCK_STATE              0x00000008
@@ -333,7 +336,9 @@ struct nfs4_stateid {
        ((err) != nfserr_stale_stateid) &&      \
        ((err) != nfserr_bad_stateid))
 
-extern __be32 nfs4_preprocess_stateid_op(struct svc_fh *current_fh,
+struct nfsd4_compound_state;
+
+extern __be32 nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
                stateid_t *stateid, int flags, struct file **filp);
 extern void nfs4_lock_state(void);
 extern void nfs4_unlock_state(void);