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SUNRPC: Allow further customisation of RPC program registration

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Add a callback to allow customisation of the rpcbind registration.
When clients have the ability to turn on and off version support,
we want to allow them to also prevent registration of those
versions with the rpc portmapper.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Trond Myklebust
2019-04-09 11:46:17 -04:00
committed by J. Bruce Fields
parent 4532608d71
commit 642ee6b209
5 changed files with 73 additions and 32 deletions
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15
include/linux/sunrpc/svc.h
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@ -410,6 +410,11 @@ struct svc_program {
__be32 (*pg_init_request)(struct svc_rqst *,
const struct svc_program *,
struct svc_process_info *);
int (*pg_rpcbind_set)(struct net *net,
const struct svc_program *,
u32 version, int family,
unsigned short proto,
unsigned short port);
};
/*
@ -522,6 +527,16 @@ __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);
int svc_generic_rpcbind_set(struct net *net,
const struct svc_program *progp,
u32 version, int family,
unsigned short proto,
unsigned short port);
int svc_rpcbind_set_version(struct net *net,
const struct svc_program *progp,
u32 version, int family,
unsigned short proto,
unsigned short port);
#define RPC_MAX_ADDRBUFLEN (63U)