mirror of https://gitee.com/openkylin/linux.git
NFSv4: More xdr cleanups
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
parent
7001951421
commit
475d4ba02c
164
fs/nfs/nfs4xdr.c
164
fs/nfs/nfs4xdr.c
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@ -1084,13 +1084,8 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
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static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 8);
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*p++ = cpu_to_be32(OP_ACCESS);
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*p = cpu_to_be32(access);
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hdr->nops++;
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hdr->replen += decode_access_maxsz;
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encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr);
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encode_uint32(xdr, access);
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}
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static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
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@ -1104,21 +1099,18 @@ static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *ar
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{
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__be32 *p;
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p = reserve_space(xdr, 16);
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*p++ = cpu_to_be32(OP_COMMIT);
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encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr);
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p = reserve_space(xdr, 12);
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p = xdr_encode_hyper(p, args->offset);
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*p = cpu_to_be32(args->count);
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hdr->nops++;
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hdr->replen += decode_commit_maxsz;
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}
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static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 8);
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*p++ = cpu_to_be32(OP_CREATE);
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*p = cpu_to_be32(create->ftype);
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encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr);
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encode_uint32(xdr, create->ftype);
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switch (create->ftype) {
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case NF4LNK:
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@ -1138,9 +1130,6 @@ static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *
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}
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encode_string(xdr, create->name->len, create->name->name);
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hdr->nops++;
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hdr->replen += decode_create_maxsz;
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encode_attrs(xdr, create->attrs, create->server);
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}
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@ -1148,25 +1137,21 @@ static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct c
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{
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__be32 *p;
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p = reserve_space(xdr, 12);
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*p++ = cpu_to_be32(OP_GETATTR);
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encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr);
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p = reserve_space(xdr, 8);
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*p++ = cpu_to_be32(1);
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*p = cpu_to_be32(bitmap);
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hdr->nops++;
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hdr->replen += decode_getattr_maxsz;
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}
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static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 16);
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*p++ = cpu_to_be32(OP_GETATTR);
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encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr);
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p = reserve_space(xdr, 12);
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*p++ = cpu_to_be32(2);
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*p++ = cpu_to_be32(bm0);
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*p = cpu_to_be32(bm1);
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hdr->nops++;
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hdr->replen += decode_getattr_maxsz;
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}
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static void
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@ -1261,8 +1246,8 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
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{
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__be32 *p;
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p = reserve_space(xdr, 32);
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*p++ = cpu_to_be32(OP_LOCK);
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encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr);
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p = reserve_space(xdr, 28);
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*p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block));
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*p++ = cpu_to_be32(args->reclaim);
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p = xdr_encode_hyper(p, args->fl->fl_start);
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@ -1278,38 +1263,31 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
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encode_nfs4_stateid(xdr, args->lock_stateid);
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encode_nfs4_seqid(xdr, args->lock_seqid);
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}
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hdr->nops++;
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hdr->replen += decode_lock_maxsz;
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}
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static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 24);
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*p++ = cpu_to_be32(OP_LOCKT);
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encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr);
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p = reserve_space(xdr, 20);
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*p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
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p = xdr_encode_hyper(p, args->fl->fl_start);
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p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
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encode_lockowner(xdr, &args->lock_owner);
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hdr->nops++;
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hdr->replen += decode_lockt_maxsz;
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}
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static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 8);
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*p++ = cpu_to_be32(OP_LOCKU);
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*p = cpu_to_be32(nfs4_lock_type(args->fl, 0));
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encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr);
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encode_uint32(xdr, nfs4_lock_type(args->fl, 0));
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encode_nfs4_seqid(xdr, args->seqid);
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encode_nfs4_stateid(xdr, args->stateid);
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p = reserve_space(xdr, 16);
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p = xdr_encode_hyper(p, args->fl->fl_start);
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xdr_encode_hyper(p, nfs4_lock_length(args->fl));
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hdr->nops++;
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hdr->replen += decode_locku_maxsz;
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}
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static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr)
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@ -1553,8 +1531,8 @@ static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
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if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID))
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attrs[0] |= FATTR4_WORD0_FILEID;
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p = reserve_space(xdr, 12);
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*p++ = cpu_to_be32(OP_READDIR);
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encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr);
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p = reserve_space(xdr, 8);
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p = xdr_encode_hyper(p, readdir->cookie);
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encode_nfs4_verifier(xdr, &readdir->verifier);
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p = reserve_space(xdr, 20);
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@ -1564,8 +1542,6 @@ static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
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*p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]);
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*p = cpu_to_be32(attrs[1] & readdir->bitmask[1]);
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hdr->nops++;
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hdr->replen += decode_readdir_maxsz;
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memcpy(verf, readdir->verifier.data, sizeof(verf));
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dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
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__func__,
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@ -1598,11 +1574,9 @@ static void encode_renew(struct xdr_stream *xdr, clientid4 clid,
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{
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__be32 *p;
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p = reserve_space(xdr, 12);
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*p++ = cpu_to_be32(OP_RENEW);
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encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr);
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p = reserve_space(xdr, 8);
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xdr_encode_hyper(p, clid);
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hdr->nops++;
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hdr->replen += decode_renew_maxsz;
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}
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static void
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@ -1660,12 +1634,11 @@ static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4
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{
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__be32 *p;
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p = reserve_space(xdr, 12);
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*p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
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encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM,
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decode_setclientid_confirm_maxsz, hdr);
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p = reserve_space(xdr, 8);
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p = xdr_encode_hyper(p, arg->clientid);
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encode_nfs4_verifier(xdr, &arg->confirm);
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hdr->nops++;
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hdr->replen += decode_setclientid_confirm_maxsz;
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}
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static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
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@ -1758,8 +1731,8 @@ static void encode_create_session(struct xdr_stream *xdr,
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len = scnprintf(machine_name, sizeof(machine_name), "%s",
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clp->cl_ipaddr);
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p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12);
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*p++ = cpu_to_be32(OP_CREATE_SESSION);
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encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr);
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p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12);
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p = xdr_encode_hyper(p, clp->cl_clientid);
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*p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */
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*p++ = cpu_to_be32(args->flags); /*flags */
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@ -1792,33 +1765,22 @@ static void encode_create_session(struct xdr_stream *xdr,
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*p++ = cpu_to_be32(0); /* UID */
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*p++ = cpu_to_be32(0); /* GID */
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*p = cpu_to_be32(0); /* No more gids */
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hdr->nops++;
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hdr->replen += decode_create_session_maxsz;
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}
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static void encode_destroy_session(struct xdr_stream *xdr,
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struct nfs4_session *session,
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struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN);
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*p++ = cpu_to_be32(OP_DESTROY_SESSION);
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xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
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hdr->nops++;
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hdr->replen += decode_destroy_session_maxsz;
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encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr);
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encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
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}
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static void encode_reclaim_complete(struct xdr_stream *xdr,
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struct nfs41_reclaim_complete_args *args,
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struct compound_hdr *hdr)
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{
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__be32 *p;
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p = reserve_space(xdr, 8);
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*p++ = cpu_to_be32(OP_RECLAIM_COMPLETE);
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*p++ = cpu_to_be32(args->one_fs);
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hdr->nops++;
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hdr->replen += decode_reclaim_complete_maxsz;
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encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr);
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encode_uint32(xdr, args->one_fs);
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}
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#endif /* CONFIG_NFS_V4_1 */
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@ -1840,8 +1802,7 @@ static void encode_sequence(struct xdr_stream *xdr,
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WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE);
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slot = tp->slots + args->sa_slotid;
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p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16);
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*p++ = cpu_to_be32(OP_SEQUENCE);
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encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr);
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/*
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* Sessionid + seqid + slotid + max slotid + cache_this
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@ -1855,13 +1816,12 @@ static void encode_sequence(struct xdr_stream *xdr,
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((u32 *)session->sess_id.data)[3],
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slot->seq_nr, args->sa_slotid,
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tp->highest_used_slotid, args->sa_cache_this);
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p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16);
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p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
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*p++ = cpu_to_be32(slot->seq_nr);
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*p++ = cpu_to_be32(args->sa_slotid);
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*p++ = cpu_to_be32(tp->highest_used_slotid);
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*p = cpu_to_be32(args->sa_cache_this);
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hdr->nops++;
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hdr->replen += decode_sequence_maxsz;
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#endif /* CONFIG_NFS_V4_1 */
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}
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@ -1876,14 +1836,12 @@ encode_getdevicelist(struct xdr_stream *xdr,
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.data = "dummmmmy",
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};
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p = reserve_space(xdr, 20);
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*p++ = cpu_to_be32(OP_GETDEVICELIST);
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encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr);
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p = reserve_space(xdr, 16);
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*p++ = cpu_to_be32(args->layoutclass);
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*p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM);
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xdr_encode_hyper(p, 0ULL); /* cookie */
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encode_nfs4_verifier(xdr, &dummy);
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hdr->nops++;
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hdr->replen += decode_getdevicelist_maxsz;
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}
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static void
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@ -1893,15 +1851,13 @@ encode_getdeviceinfo(struct xdr_stream *xdr,
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{
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__be32 *p;
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p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE);
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*p++ = cpu_to_be32(OP_GETDEVICEINFO);
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encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr);
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p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE);
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p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data,
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NFS4_DEVICEID4_SIZE);
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*p++ = cpu_to_be32(args->pdev->layout_type);
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*p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */
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*p++ = cpu_to_be32(0); /* bitmap length 0 */
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hdr->nops++;
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hdr->replen += decode_getdeviceinfo_maxsz;
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}
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static void
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@ -1911,8 +1867,8 @@ encode_layoutget(struct xdr_stream *xdr,
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{
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__be32 *p;
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p = reserve_space(xdr, 40);
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*p++ = cpu_to_be32(OP_LAYOUTGET);
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encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr);
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p = reserve_space(xdr, 36);
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*p++ = cpu_to_be32(0); /* Signal layout available */
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*p++ = cpu_to_be32(args->type);
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*p++ = cpu_to_be32(args->range.iomode);
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@ -1920,8 +1876,7 @@ encode_layoutget(struct xdr_stream *xdr,
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p = xdr_encode_hyper(p, args->range.length);
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p = xdr_encode_hyper(p, args->minlength);
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encode_nfs4_stateid(xdr, &args->stateid);
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p = reserve_space(xdr, 4);
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*p = cpu_to_be32(args->maxcount);
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encode_uint32(xdr, args->maxcount);
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dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
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__func__,
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@ -1930,8 +1885,6 @@ encode_layoutget(struct xdr_stream *xdr,
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(unsigned long)args->range.offset,
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(unsigned long)args->range.length,
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args->maxcount);
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hdr->nops++;
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hdr->replen += decode_layoutget_maxsz;
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}
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static int
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@ -1945,8 +1898,8 @@ encode_layoutcommit(struct xdr_stream *xdr,
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dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten,
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NFS_SERVER(args->inode)->pnfs_curr_ld->id);
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p = reserve_space(xdr, 24);
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*p++ = cpu_to_be32(OP_LAYOUTCOMMIT);
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encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr);
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p = reserve_space(xdr, 20);
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/* Only whole file layouts */
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p = xdr_encode_hyper(p, 0); /* offset */
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p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */
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@ -1961,13 +1914,9 @@ encode_layoutcommit(struct xdr_stream *xdr,
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if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit)
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NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit(
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NFS_I(inode)->layout, xdr, args);
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else {
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p = reserve_space(xdr, 4);
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*p = cpu_to_be32(0); /* no layout-type payload */
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}
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else
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encode_uint32(xdr, 0); /* no layout-type payload */
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hdr->nops++;
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hdr->replen += decode_layoutcommit_maxsz;
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return 0;
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}
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@ -1978,8 +1927,8 @@ encode_layoutreturn(struct xdr_stream *xdr,
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{
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__be32 *p;
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p = reserve_space(xdr, 20);
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*p++ = cpu_to_be32(OP_LAYOUTRETURN);
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encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr);
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p = reserve_space(xdr, 16);
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*p++ = cpu_to_be32(0); /* reclaim. always 0 for now */
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*p++ = cpu_to_be32(args->layout_type);
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*p++ = cpu_to_be32(IOMODE_ANY);
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@ -1993,12 +1942,8 @@ encode_layoutreturn(struct xdr_stream *xdr,
|
|||
if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) {
|
||||
NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn(
|
||||
NFS_I(args->inode)->layout, xdr, args);
|
||||
} else {
|
||||
p = reserve_space(xdr, 4);
|
||||
*p = cpu_to_be32(0);
|
||||
}
|
||||
hdr->nops++;
|
||||
hdr->replen += decode_layoutreturn_maxsz;
|
||||
} else
|
||||
encode_uint32(xdr, 0);
|
||||
}
|
||||
|
||||
static int
|
||||
|
|
@ -2006,12 +1951,8 @@ encode_secinfo_no_name(struct xdr_stream *xdr,
|
|||
const struct nfs41_secinfo_no_name_args *args,
|
||||
struct compound_hdr *hdr)
|
||||
{
|
||||
__be32 *p;
|
||||
p = reserve_space(xdr, 8);
|
||||
*p++ = cpu_to_be32(OP_SECINFO_NO_NAME);
|
||||
*p++ = cpu_to_be32(args->style);
|
||||
hdr->nops++;
|
||||
hdr->replen += decode_secinfo_no_name_maxsz;
|
||||
encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr);
|
||||
encode_uint32(xdr, args->style);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -2019,14 +1960,9 @@ static void encode_test_stateid(struct xdr_stream *xdr,
|
|||
struct nfs41_test_stateid_args *args,
|
||||
struct compound_hdr *hdr)
|
||||
{
|
||||
__be32 *p;
|
||||
|
||||
p = reserve_space(xdr, 8);
|
||||
*p++ = cpu_to_be32(OP_TEST_STATEID);
|
||||
*p = cpu_to_be32(1);
|
||||
encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr);
|
||||
encode_uint32(xdr, 1);
|
||||
encode_nfs4_stateid(xdr, args->stateid);
|
||||
hdr->nops++;
|
||||
hdr->replen += decode_test_stateid_maxsz;
|
||||
}
|
||||
|
||||
static void encode_free_stateid(struct xdr_stream *xdr,
|
||||
|
|
|
|||
Loading…
Reference in New Issue