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NFS: Add a private local dispatcher for NFSv4 callback operations

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[ Upstream commit 7d34c96217cf3c2d37ca0a56ca0bc3c3bef1e189 ]

The client's NFSv4 callback service is the only remaining user of
svc_generic_dispatch().

Note that the NFSv4 callback service doesn't use the .pc_encode and
.pc_decode callouts in any substantial way, so they are removed.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2021-07-15 15:52:25 -04:00 committed by Greg Kroah-Hartman
parent 91bbbffece
commit edf220fe15
1 changed files with 11 additions and 2 deletions
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13
fs/nfs/callback_xdr.c
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@ -988,6 +988,15 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp)
return rpc_success;
}
static int
nfs_callback_dispatch(struct svc_rqst *rqstp, __be32 *statp)
{
const struct svc_procedure *procp = rqstp->rq_procinfo;
*statp = procp->pc_func(rqstp);
return 1;
}
/*
* Define NFS4 callback COMPOUND ops.
*/
@ -1076,7 +1085,7 @@ const struct svc_version nfs4_callback_version1 = {
.vs_proc = nfs4_callback_procedures1,
.vs_count = nfs4_callback_count1,
.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
.vs_dispatch = NULL,
.vs_dispatch = nfs_callback_dispatch,
.vs_hidden = true,
.vs_need_cong_ctrl = true,
};
@ -1088,7 +1097,7 @@ const struct svc_version nfs4_callback_version4 = {
.vs_proc = nfs4_callback_procedures1,
.vs_count = nfs4_callback_count4,
.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
.vs_dispatch = NULL,
.vs_dispatch = nfs_callback_dispatch,
.vs_hidden = true,
.vs_need_cong_ctrl = true,
};