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authorTrond Myklebust <trondmy@gmail.com>2019-04-09 18:46:15 +0300
committerJ. Bruce Fields <bfields@redhat.com>2019-04-24 16:46:34 +0300
commit8e5b67731d088e66fc6a59d9e2fc9a5e4e187303 (patch)
treede54300544bed6e8b1e7d0a270a6c0e5475b241e /include/linux/sunrpc
parent83dd59a0b9afc3b1a2642fb5c9b0585b1c08768f (diff)
downloadlinux-8e5b67731d088e66fc6a59d9e2fc9a5e4e187303.tar.xz
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>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/svc.h16
1 files changed, 16 insertions, 0 deletions
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)