Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
---
fs/nfsd/nfs4proc.c | 28 +++++++++++++++++
fs/nfsd/nfs4xdr.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
fs/nfsd/xdr4.h | 13 ++++++++
3 files changed, 129 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 4e3e77b..7fa694d 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1338,6 +1338,13 @@ struct nfsd4_copy *
}
static __be32
+nfsd4_copy_notify(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
+{
+ return nfserr_notsupp;
+}
+
+static __be32
nfsd4_fallocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_fallocate *fallocate, int flags)
{
@@ -2290,6 +2297,21 @@ static inline u32 nfsd4_offload_status_rsize(struct svc_rqst *rqstp,
1 /* osr_complete<1> optional 0 for now */) * sizeof(__be32);
}
+static inline u32 nfsd4_copy_notify_rsize(struct svc_rqst *rqstp,
+ struct nfsd4_op *op)
+{
+ return (op_encode_hdr_size +
+ 3 /* cnr_lease_time */ +
+ 1 /* We support one cnr_source_server */ +
+ 1 /* cnr_stateid seq */ +
+ op_encode_stateid_maxsz /* cnr_stateid */ +
+ 1 /* num cnr_source_server*/ +
+ 1 /* nl4_type */ +
+ 1 /* nl4 size */ +
+ XDR_QUADLEN(NFS4_OPAQUE_LIMIT) /*nl4_loc + nl4_loc_sz */)
+ * sizeof(__be32);
+}
+
#ifdef CONFIG_NFSD_PNFS
static inline u32 nfsd4_getdeviceinfo_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
{
@@ -2714,6 +2736,12 @@ static inline u32 nfsd4_seek_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
.op_name = "OP_OFFLOAD_CANCEL",
.op_rsize_bop = nfsd4_only_status_rsize,
},
+ [OP_COPY_NOTIFY] = {
+ .op_func = nfsd4_copy_notify,
+ .op_flags = OP_MODIFIES_SOMETHING,
+ .op_name = "OP_COPY_NOTIFY",
+ .op_rsize_bop = nfsd4_copy_notify_rsize,
+ },
};
/**
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index a664c18..a7b8b81 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1838,6 +1838,18 @@ static __be32 nfsd4_decode_nl4_server(struct nfsd4_compoundargs *argp,
}
static __be32
+nfsd4_decode_copy_notify(struct nfsd4_compoundargs *argp,
+ struct nfsd4_copy_notify *cn)
+{
+ int status;
+
+ status = nfsd4_decode_stateid(argp, &cn->cpn_src_stateid);
+ if (status)
+ return status;
+ return nfsd4_decode_nl4_server(argp, &cn->cpn_dst);
+}
+
+static __be32
nfsd4_decode_seek(struct nfsd4_compoundargs *argp, struct nfsd4_seek *seek)
{
DECODE_HEAD;
@@ -1938,7 +1950,7 @@ static __be32 nfsd4_decode_nl4_server(struct nfsd4_compoundargs *argp,
/* new operations for NFSv4.2 */
[OP_ALLOCATE] = (nfsd4_dec)nfsd4_decode_fallocate,
[OP_COPY] = (nfsd4_dec)nfsd4_decode_copy,
- [OP_COPY_NOTIFY] = (nfsd4_dec)nfsd4_decode_notsupp,
+ [OP_COPY_NOTIFY] = (nfsd4_dec)nfsd4_decode_copy_notify,
[OP_DEALLOCATE] = (nfsd4_dec)nfsd4_decode_fallocate,
[OP_IO_ADVISE] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTERROR] = (nfsd4_dec)nfsd4_decode_notsupp,
@@ -4318,6 +4330,46 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp,
}
static __be32
+nfsd42_encode_nl4_server(struct nfsd4_compoundres *resp, struct nl4_server *ns)
+{
+ struct xdr_stream *xdr = &resp->xdr;
+ struct nfs42_netaddr *addr;
+ __be32 *p;
+
+ p = xdr_reserve_space(xdr, 4);
+ *p++ = cpu_to_be32(ns->nl4_type);
+
+ switch (ns->nl4_type) {
+ case NL4_NETADDR:
+ addr = &ns->u.nl4_addr;
+
+ /* netid_len, netid, uaddr_len, uaddr (port included
+ * in RPCBIND_MAXUADDRLEN)
+ */
+ p = xdr_reserve_space(xdr,
+ 4 /* netid len */ +
+ (XDR_QUADLEN(addr->netid_len) * 4) +
+ 4 /* uaddr len */ +
+ (XDR_QUADLEN(addr->addr_len) * 4));
+ if (!p)
+ return nfserr_resource;
+
+ *p++ = cpu_to_be32(addr->netid_len);
+ p = xdr_encode_opaque_fixed(p, addr->netid,
+ addr->netid_len);
+ *p++ = cpu_to_be32(addr->addr_len);
+ p = xdr_encode_opaque_fixed(p, addr->addr,
+ addr->addr_len);
+ break;
+ default:
+ WARN_ON_ONCE(ns->nl4_type != NL4_NETADDR);
+ return nfserr_inval;
+ }
+
+ return 0;
+}
+
+static __be32
nfsd4_encode_copy(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_copy *copy)
{
@@ -4351,6 +4403,40 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp,
}
static __be32
+nfsd4_encode_copy_notify(struct nfsd4_compoundres *resp, __be32 nfserr,
+ struct nfsd4_copy_notify *cn)
+{
+ struct xdr_stream *xdr = &resp->xdr;
+ __be32 *p;
+
+ if (nfserr)
+ return nfserr;
+
+ /* 8 sec, 4 nsec */
+ p = xdr_reserve_space(xdr, 12);
+ if (!p)
+ return nfserr_resource;
+
+ /* cnr_lease_time */
+ p = xdr_encode_hyper(p, cn->cpn_sec);
+ *p++ = cpu_to_be32(cn->cpn_nsec);
+
+ /* cnr_stateid */
+ nfserr = nfsd4_encode_stateid(xdr, &cn->cpn_cnr_stateid);
+ if (nfserr)
+ return nfserr;
+
+ /* cnr_src.nl_nsvr */
+ p = xdr_reserve_space(xdr, 4);
+ if (!p)
+ return nfserr_resource;
+
+ *p++ = cpu_to_be32(1);
+
+ return nfsd42_encode_nl4_server(resp, &cn->cpn_src);
+}
+
+static __be32
nfsd4_encode_seek(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_seek *seek)
{
@@ -4447,7 +4533,7 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp,
/* NFSv4.2 operations */
[OP_ALLOCATE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_COPY] = (nfsd4_enc)nfsd4_encode_copy,
- [OP_COPY_NOTIFY] = (nfsd4_enc)nfsd4_encode_noop,
+ [OP_COPY_NOTIFY] = (nfsd4_enc)nfsd4_encode_copy_notify,
[OP_DEALLOCATE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_IO_ADVISE] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTERROR] = (nfsd4_enc)nfsd4_encode_noop,
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index e815a9c..8231fe0 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -570,6 +570,18 @@ struct nfsd4_offload_status {
u32 status;
};
+struct nfsd4_copy_notify {
+ /* request */
+ stateid_t cpn_src_stateid;
+ struct nl4_server cpn_dst;
+
+ /* response */
+ stateid_t cpn_cnr_stateid;
+ u64 cpn_sec;
+ u32 cpn_nsec;
+ struct nl4_server cpn_src;
+};
+
struct nfsd4_op {
int opnum;
const struct nfsd4_operation * opdesc;
@@ -629,6 +641,7 @@ struct nfsd4_op {
struct nfsd4_clone clone;
struct nfsd4_copy copy;
struct nfsd4_offload_status offload_status;
+ struct nfsd4_copy_notify copy_notify;
struct nfsd4_seek seek;
} u;
struct nfs4_replay * replay;
--
1.8.3.1
