diff options
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 3 | ||||
| -rw-r--r-- | fs/nfsd/nfs4state.c | 6 | ||||
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 19 | ||||
| -rw-r--r-- | fs/nfsd/xdr4.h | 6 |
4 files changed, 22 insertions, 12 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 53636ff0e6ae..cdb7ca337187 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -311,9 +311,6 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL) return nfserr_inval; - /* We don't yet support WANT bits: */ - open->op_share_access &= NFS4_SHARE_ACCESS_MASK; - open->op_created = 0; /* * RFC5661 18.51.3 diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index f89ccc263905..45966a436b0a 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2637,8 +2637,6 @@ nfs4_check_delegmode(struct nfs4_delegation *dp, int flags) static int share_access_to_flags(u32 share_access) { - share_access &= NFS4_SHARE_ACCESS_MASK; - return share_access == NFS4_SHARE_ACCESS_READ ? RD_STATE : WR_STATE; } @@ -3600,7 +3598,9 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, cstate->current_fh.fh_dentry->d_name.name); /* We don't yet support WANT bits: */ - od->od_share_access &= NFS4_SHARE_ACCESS_MASK; + if (od->od_deleg_want) + dprintk("NFSD: %s: od_deleg_want=0x%x ignored\n", __func__, + od->od_deleg_want); nfs4_lock_state(); status = nfs4_preprocess_confirmed_seqid_op(cstate, od->od_seqid, diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 279a70548e47..d241a8571ddf 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -638,14 +638,18 @@ nfsd4_decode_lookup(struct nfsd4_compoundargs *argp, struct nfsd4_lookup *lookup DECODE_TAIL; } -static __be32 nfsd4_decode_share_access(struct nfsd4_compoundargs *argp, u32 *x) +static __be32 nfsd4_decode_share_access(struct nfsd4_compoundargs *argp, u32 *share_access, u32 *deleg_want, u32 *deleg_when) { __be32 *p; u32 w; READ_BUF(4); READ32(w); - *x = w; + *share_access = w & NFS4_SHARE_ACCESS_MASK; + *deleg_want = w & NFS4_SHARE_WANT_MASK; + if (deleg_when) + *deleg_when = w & NFS4_SHARE_WHEN_MASK; + switch (w & NFS4_SHARE_ACCESS_MASK) { case NFS4_SHARE_ACCESS_READ: case NFS4_SHARE_ACCESS_WRITE: @@ -673,6 +677,9 @@ static __be32 nfsd4_decode_share_access(struct nfsd4_compoundargs *argp, u32 *x) w &= ~NFS4_SHARE_WANT_MASK; if (!w) return nfs_ok; + + if (!deleg_when) /* open_downgrade */ + return nfserr_inval; switch (w) { case NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL: case NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED: @@ -719,6 +726,7 @@ static __be32 nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) { DECODE_HEAD; + u32 dummy; memset(open->op_bmval, 0, sizeof(open->op_bmval)); open->op_iattr.ia_valid = 0; @@ -727,7 +735,9 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) /* seqid, share_access, share_deny, clientid, ownerlen */ READ_BUF(4); READ32(open->op_seqid); - status = nfsd4_decode_share_access(argp, &open->op_share_access); + /* decode, yet ignore deleg_when until supported */ + status = nfsd4_decode_share_access(argp, &open->op_share_access, + &open->op_deleg_want, &dummy); if (status) goto xdr_error; status = nfsd4_decode_share_deny(argp, &open->op_share_deny); @@ -848,7 +858,8 @@ nfsd4_decode_open_downgrade(struct nfsd4_compoundargs *argp, struct nfsd4_open_d return status; READ_BUF(4); READ32(open_down->od_seqid); - status = nfsd4_decode_share_access(argp, &open_down->od_share_access); + status = nfsd4_decode_share_access(argp, &open_down->od_share_access, + &open_down->od_deleg_want, NULL); if (status) return status; status = nfsd4_decode_share_deny(argp, &open_down->od_share_deny); diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index 12789eb3f911..4949832fd74a 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -233,6 +233,7 @@ struct nfsd4_open { u32 op_seqid; /* request */ u32 op_share_access; /* request */ u32 op_share_deny; /* request */ + u32 op_deleg_want; /* request */ stateid_t op_stateid; /* response */ u32 op_recall; /* recall */ struct nfsd4_change_info op_cinfo; /* response */ @@ -256,8 +257,9 @@ struct nfsd4_open_confirm { struct nfsd4_open_downgrade { stateid_t od_stateid; u32 od_seqid; - u32 od_share_access; - u32 od_share_deny; + u32 od_share_access; /* request */ + u32 od_deleg_want; /* request */ + u32 od_share_deny; /* request */ }; |