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NFSD: Add generic v4.2 infrastructure 

It's cleaner to introduce everything at once and have the server reply
with "not supported" than it would be to introduce extra operations when
implementing a specific one in the middle of the list.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Anna Schumaker 2014-09-26 13:58:26 -04:00 committed by J. Bruce Fields
parent 7e5be28827
commit 87a15a8090
2 changed files with 44 additions and 2 deletions
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28
fs/nfsd/nfs4xdr.c
View File

@ -1586,6 +1586,20 @@ static nfsd4_dec nfsd4_dec_ops[] = {
[OP_WANT_DELEGATION] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_DESTROY_CLIENTID] = (nfsd4_dec)nfsd4_decode_destroy_clientid,
[OP_RECLAIM_COMPLETE] = (nfsd4_dec)nfsd4_decode_reclaim_complete,
/* new operations for NFSv4.2 */
[OP_ALLOCATE] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_COPY] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_COPY_NOTIFY] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_DEALLOCATE] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_IO_ADVISE] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTERROR] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTSTATS] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_OFFLOAD_CANCEL] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_OFFLOAD_STATUS] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_READ_PLUS] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_SEEK] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_WRITE_SAME] = (nfsd4_dec)nfsd4_decode_notsupp,
};
static inline bool
@ -3823,6 +3837,20 @@ static nfsd4_enc nfsd4_enc_ops[] = {
[OP_WANT_DELEGATION] = (nfsd4_enc)nfsd4_encode_noop,
[OP_DESTROY_CLIENTID] = (nfsd4_enc)nfsd4_encode_noop,
[OP_RECLAIM_COMPLETE] = (nfsd4_enc)nfsd4_encode_noop,
/* NFSv4.2 operations */
[OP_ALLOCATE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_COPY] = (nfsd4_enc)nfsd4_encode_noop,
[OP_COPY_NOTIFY] = (nfsd4_enc)nfsd4_encode_noop,
[OP_DEALLOCATE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_IO_ADVISE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTERROR] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTSTATS] = (nfsd4_enc)nfsd4_encode_noop,
[OP_OFFLOAD_CANCEL] = (nfsd4_enc)nfsd4_encode_noop,
[OP_OFFLOAD_STATUS] = (nfsd4_enc)nfsd4_encode_noop,
[OP_READ_PLUS] = (nfsd4_enc)nfsd4_encode_noop,
[OP_SEEK] = (nfsd4_enc)nfsd4_encode_noop,
[OP_WRITE_SAME] = (nfsd4_enc)nfsd4_encode_noop,
};
/*

18
include/linux/nfs4.h
View File

@ -110,6 +110,20 @@ enum nfs_opnum4 {
OP_DESTROY_CLIENTID = 57,
OP_RECLAIM_COMPLETE = 58,
/* nfs42 */
OP_ALLOCATE = 59,
OP_COPY = 60,
OP_COPY_NOTIFY = 61,
OP_DEALLOCATE = 62,
OP_IO_ADVISE = 63,
OP_LAYOUTERROR = 64,
OP_LAYOUTSTATS = 65,
OP_OFFLOAD_CANCEL = 66,
OP_OFFLOAD_STATUS = 67,
OP_READ_PLUS = 68,
OP_SEEK = 69,
OP_WRITE_SAME = 70,
OP_ILLEGAL = 10044,
};
@ -117,10 +131,10 @@ enum nfs_opnum4 {
Needs to be updated if more operations are defined in future.*/
#define FIRST_NFS4_OP OP_ACCESS
#define LAST_NFS4_OP OP_RECLAIM_COMPLETE
#define LAST_NFS4_OP OP_WRITE_SAME
#define LAST_NFS40_OP OP_RELEASE_LOCKOWNER
#define LAST_NFS41_OP OP_RECLAIM_COMPLETE
#define LAST_NFS42_OP OP_RECLAIM_COMPLETE
#define LAST_NFS42_OP OP_WRITE_SAME
enum nfsstat4 {
NFS4_OK = 0,