Jeff Layton a0ac2a63d4
nfsd: add protocol support for CB_NOTIFY ...
Add the necessary bits to nfs4_1.x and remove the duplicate definitions
from nfs4.h and the uapi nfs4 header. Regenerate the xdr files.
Note that regenerating these files caused conflicts with the definitions
of NFS4_VERIFIER_SIZE and NFS4_FHSIZE in include/uapi/linux/nfs4.h.
These constants are defined by the RFC, and are not part of the kernel
API. They have been removed. Userspace consumers who require those
constants should plan to get them from more authoritative sources.
The nfsstat4 enum defined in the .x is fed to the xdrgen-generated wire
encoder and decoder, which treat every enumerated value as legal on the
wire. Do not carry the NFS4ERR_FIRST_FREE sentinel (which is not a
protocol error code) into the .x; keeping it would make 10097 a value
that could leak onto the wire. Instead base nfsd's internal error codes
(NFSERR_EOF and friends) at an impossible nfsstat4 value, as lockd does
for its nlm__int__* status codes.
Signed-off-by: Jeff Layton <jlayton@kernel.org >
Link: https://patch.msgid.link/20260616-dir-deleg-v7-2-6cbc7eac0ade@kernel.org
Signed-off-by: Chuck Lever <cel@kernel.org >
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