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nfsd4: implement secinfo_no_name

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Implementation of this operation is mandatory for NFSv4.1.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2010-12-16 09:51:13 -05:00
parent 0ff7ab4671
commit 04f4ad16b2
4 changed files with 48 additions and 2 deletions
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27
fs/nfsd/nfs4proc.c
View file

@ -779,6 +779,29 @@ nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return err;
}
static __be32
nfsd4_secinfo_no_name(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_secinfo_no_name *sin)
{
__be32 err;
switch (sin->sin_style) {
case NFS4_SECINFO_STYLE4_CURRENT_FH:
break;
case NFS4_SECINFO_STYLE4_PARENT:
err = nfsd4_do_lookupp(rqstp, &cstate->current_fh);
if (err)
return err;
break;
default:
return nfserr_inval;
}
exp_get(cstate->current_fh.fh_export);
sin->sin_exp = cstate->current_fh.fh_export;
fh_put(&cstate->current_fh);
return nfs_ok;
}
static __be32
nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_setattr *setattr)
@ -1327,6 +1350,10 @@ static struct nfsd4_operation nfsd4_ops[] = {
.op_flags = ALLOWED_WITHOUT_FH,
.op_name = "OP_RECLAIM_COMPLETE",
},
[OP_SECINFO_NO_NAME] = {
.op_func = (nfsd4op_func)nfsd4_secinfo_no_name,
.op_name = "OP_SECINFO_NO_NAME",
},
};
static const char *nfsd4_op_name(unsigned opnum)

15
fs/nfsd/nfs4xdr.c
View file

@ -846,6 +846,17 @@ nfsd4_decode_secinfo(struct nfsd4_compoundargs *argp,
DECODE_TAIL;
}
static __be32
nfsd4_decode_secinfo_no_name(struct nfsd4_compoundargs *argp,
struct nfsd4_secinfo_no_name *sin)
{
DECODE_HEAD;
READ_BUF(4);
READ32(sin->sin_style);
DECODE_TAIL;
}
static __be32
nfsd4_decode_setattr(struct nfsd4_compoundargs *argp, struct nfsd4_setattr *setattr)
{
@ -1358,7 +1369,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
[OP_LAYOUTCOMMIT] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTGET] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTRETURN] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_SECINFO_NO_NAME] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_SECINFO_NO_NAME] = (nfsd4_dec)nfsd4_decode_secinfo_no_name,
[OP_SEQUENCE] = (nfsd4_dec)nfsd4_decode_sequence,
[OP_SET_SSV] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_TEST_STATEID] = (nfsd4_dec)nfsd4_decode_notsupp,
@ -3162,7 +3173,7 @@ static nfsd4_enc nfsd4_enc_ops[] = {
[OP_LAYOUTCOMMIT] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTGET] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTRETURN] = (nfsd4_enc)nfsd4_encode_noop,
[OP_SECINFO_NO_NAME] = (nfsd4_enc)nfsd4_encode_noop,
[OP_SECINFO_NO_NAME] = (nfsd4_enc)nfsd4_encode_secinfo,
[OP_SEQUENCE] = (nfsd4_enc)nfsd4_encode_sequence,
[OP_SET_SSV] = (nfsd4_enc)nfsd4_encode_noop,
[OP_TEST_STATEID] = (nfsd4_enc)nfsd4_encode_noop,

5
fs/nfsd/xdr4.h
View file

@ -311,6 +311,11 @@ struct nfsd4_secinfo {
struct svc_export *si_exp; /* response */
};
struct nfsd4_secinfo_no_name {
u32 sin_style; /* request */
struct svc_export *sin_exp; /* response */
};
struct nfsd4_setattr {
stateid_t sa_stateid; /* request */
u32 sa_bmval[3]; /* request */

3
include/linux/nfs4.h
View file

@ -136,6 +136,9 @@
#define SEQ4_STATUS_CB_PATH_DOWN_SESSION 0x00000200
#define SEQ4_STATUS_BACKCHANNEL_FAULT 0x00000400
#define NFS4_SECINFO_STYLE4_CURRENT_FH 0
#define NFS4_SECINFO_STYLE4_PARENT 1
#define NFS4_MAX_UINT64 (~(u64)0)
/* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.