gNFS: RFE for NFS connection behavior

Implement reconfigure() for NFS xlator so that volume set/reset wont
restart the NFS server process. But few options can not be reconfigured
dynamically e.g. nfs.mem-factor, nfs.port etc which needs NFS to be
restarted.

Change-Id: Ic586fd55b7933c0a3175708d8c41ed0475d74a1c
BUG: 1027409
Signed-off-by: Santosh Kumar Pradhan <spradhan@redhat.com>
Reviewed-on: http://review.gluster.org/6236
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>

1 files changed, 15 insertions, 4 deletions

diff --git a/rpc/rpc-lib/src/rpcsvc.h b/rpc/rpc-lib/src/rpcsvc.h
index ac2f09bea..cbc1f4226 100644
--- a/rpc/rpc-lib/src/rpcsvc.h
+++ b/rpc/rpc-lib/src/rpcsvc.h
@@ -40,6 +40,7 @@
 
 #define RPCSVC_DEFAULT_OUTSTANDING_RPC_LIMIT 64
 #define RPCSVC_MAX_OUTSTANDING_RPC_LIMIT 65536
+#define RPCSVC_MIN_OUTSTANDING_RPC_LIMIT 0 /* No limit i.e. Unlimited */
 
 #define GF_RPCSVC       "rpc-service"
 #define RPCSVC_THREAD_STACK_SIZE ((size_t)(1024 * GF_UNIT_KB))
@@ -440,6 +441,9 @@ extern int
 rpcsvc_program_register_portmap (rpcsvc_program_t *newprog, uint32_t port);
 
 extern int
+rpcsvc_program_unregister_portmap (rpcsvc_program_t *newprog);
+
+extern int
 rpcsvc_register_portmap_enabled (rpcsvc_t *svc);
 
 /* Inits the global RPC service data structures.
@@ -449,6 +453,9 @@ extern rpcsvc_t *
 rpcsvc_init (xlator_t *xl, glusterfs_ctx_t *ctx, dict_t *options,
              uint32_t poolcount);
 
+extern int
+rpcsvc_reconfigure_options (rpcsvc_t *svc, dict_t *options);
+
 int
 rpcsvc_register_notify (rpcsvc_t *svc, rpcsvc_notify_t notify, void *mydata);
 
@@ -491,8 +498,7 @@ rpcsvc_transport_peeraddr (rpc_transport_t *trans, char *addrstr, int addrlen,
                            struct sockaddr_storage *returnsa, socklen_t sasize);
 
 extern int
-rpcsvc_auth_check (dict_t *options, char *volname,
-                   rpc_transport_t *trans);
+rpcsvc_auth_check (rpcsvc_t *svc, char *volname, rpc_transport_t *trans);
 
 extern int
 rpcsvc_transport_privport_check (rpcsvc_t *svc, char *volname,
@@ -553,6 +559,9 @@ extern int
 rpcsvc_auth_init (rpcsvc_t *svc, dict_t *options);
 
 extern int
+rpcsvc_auth_reconf (rpcsvc_t *svc, dict_t *options);
+
+extern int
 rpcsvc_auth_transport_init (rpc_transport_t *xprt);
 
 extern int
@@ -584,11 +593,13 @@ rpcsvc_transport_unix_options_build (dict_t **options, char *filepath);
 int
 rpcsvc_set_allow_insecure (rpcsvc_t *svc, dict_t *options);
 int
+rpcsvc_set_addr_namelookup (rpcsvc_t *svc, dict_t *options);
+int
 rpcsvc_set_root_squash (rpcsvc_t *svc, dict_t *options);
 int
+rpcsvc_set_outstanding_rpc_limit (rpcsvc_t *svc, dict_t *options);
+int
 rpcsvc_auth_array (rpcsvc_t *svc, char *volname, int *autharr, int arrlen);
-char *
-rpcsvc_volume_allowed (dict_t *options, char *volname);
 rpcsvc_vector_sizer
 rpcsvc_get_program_vector_sizer (rpcsvc_t *svc, uint32_t prognum,
                                  uint32_t progver, uint32_t procnum);