From 8e5b67731d088e66fc6a59d9e2fc9a5e4e187303 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trondmy@gmail.com>
Date: Tue, 9 Apr 2019 11:46:15 -0400
Subject: SUNRPC: Add a callback to initialise server requests
Add a callback to help initialise server requests before they are
processed. This will allow us to clean up the NFS server version
support, and to make it container safe.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
include/linux/sunrpc/svc.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
(limited to 'include/linux/sunrpc')
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 7ff12c9dbeaf..f43d5765acff 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -383,6 +383,16 @@ struct svc_deferred_req {
__be32 args[0];
};
+struct svc_process_info {
+ union {
+ int (*dispatch)(struct svc_rqst *, __be32 *);
+ struct {
+ unsigned int lovers;
+ unsigned int hivers;
+ } mismatch;
+ };
+};
+
/*
* List of RPC programs on the same transport endpoint
*/
@@ -397,6 +407,9 @@ struct svc_program {
char * pg_class; /* class name: services sharing authentication */
struct svc_stat * pg_stats; /* rpc statistics */
int (*pg_authenticate)(struct svc_rqst *);
+ __be32 (*pg_init_request)(struct svc_rqst *,
+ const struct svc_program *,
+ struct svc_process_info *);
};
/*
@@ -506,6 +519,9 @@ char *svc_fill_symlink_pathname(struct svc_rqst *rqstp,
struct kvec *first, void *p,
size_t total);
__be32 svc_return_autherr(struct svc_rqst *rqstp, __be32 auth_err);
+__be32 svc_generic_init_request(struct svc_rqst *rqstp,
+ const struct svc_program *progp,
+ struct svc_process_info *procinfo);
#define RPC_MAX_ADDRBUFLEN (63U)
--
cgit