nfsd4: preallocate nfs4_rpc_args

Instead of allocating this small structure, just include it in the
delegation.

The nfsd4_callback structure isn't really necessary yet, but we plan to
add to it all the information necessary to perform a callback.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 10 insertions, 0 deletions

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index fefeae27f25e..b85437982a8d 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -70,6 +70,15 @@ struct nfsd4_cb_sequence {
         struct nfs4_client      *cbs_clp;
 };
 
+struct nfs4_rpc_args {
+        void                            *args_op;
+        struct nfsd4_cb_sequence        args_seq;
+};
+
+struct nfsd4_callback {
+        struct nfs4_rpc_args cb_args;
+};
+
 struct nfs4_delegation {
         struct list_head        dl_perfile;
         struct list_head        dl_perclnt;
@@ -86,6 +95,7 @@ struct nfs4_delegation {
         stateid_t               dl_stateid;
         struct knfsd_fh         dl_fh;
         int                     dl_retries;
+        struct nfsd4_callback   dl_recall;
 };
 
 /* client delegation callback info */