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NFS: Remove old NFSv2 encoder functions
Clean up: Remove unused legacy argument encoder functions, and any now unused encoder helper functions. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
Trond Myklebust
parent
25a0866cc6
commit
2d70f533ea
249
fs/nfs/nfs2xdr.c
249
fs/nfs/nfs2xdr.c
@ -81,13 +81,6 @@ static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages,
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/*
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* Common NFS XDR functions as inlines
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*/
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static inline __be32 *
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xdr_encode_fhandle(__be32 *p, const struct nfs_fh *fhandle)
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{
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memcpy(p, fhandle->data, NFS2_FHSIZE);
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return p + XDR_QUADLEN(NFS2_FHSIZE);
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}
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static inline __be32 *
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xdr_decode_fhandle(__be32 *p, struct nfs_fh *fhandle)
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{
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@ -160,36 +153,6 @@ xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
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return p;
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}
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static inline __be32 *
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xdr_encode_sattr(__be32 *p, struct iattr *attr)
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{
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const __be32 not_set = __constant_htonl(0xFFFFFFFF);
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*p++ = (attr->ia_valid & ATTR_MODE) ? htonl(attr->ia_mode) : not_set;
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*p++ = (attr->ia_valid & ATTR_UID) ? htonl(attr->ia_uid) : not_set;
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*p++ = (attr->ia_valid & ATTR_GID) ? htonl(attr->ia_gid) : not_set;
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*p++ = (attr->ia_valid & ATTR_SIZE) ? htonl(attr->ia_size) : not_set;
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if (attr->ia_valid & ATTR_ATIME_SET) {
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p = xdr_encode_time(p, &attr->ia_atime);
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} else if (attr->ia_valid & ATTR_ATIME) {
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p = xdr_encode_current_server_time(p, &attr->ia_atime);
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} else {
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*p++ = not_set;
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*p++ = not_set;
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}
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if (attr->ia_valid & ATTR_MTIME_SET) {
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p = xdr_encode_time(p, &attr->ia_mtime);
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} else if (attr->ia_valid & ATTR_MTIME) {
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p = xdr_encode_current_server_time(p, &attr->ia_mtime);
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} else {
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*p++ = not_set;
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*p++ = not_set;
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}
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return p;
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}
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/*
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* Encode/decode NFSv2 basic data types
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*
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@ -321,19 +284,11 @@ static void encode_diropargs(struct xdr_stream *xdr, const struct nfs_fh *fh,
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/*
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* NFS encode functions
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* NFSv2 XDR encode functions
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*
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* NFSv2 argument types are defined in section 2.2 of RFC 1094:
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* "NFS: Network File System Protocol Specification".
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*/
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/*
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* Encode file handle argument
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* GETATTR, READLINK, STATFS
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*/
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static int
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nfs_xdr_fhandle(struct rpc_rqst *req, __be32 *p, struct nfs_fh *fh)
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{
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p = xdr_encode_fhandle(p, fh);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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static int nfs2_xdr_enc_fhandle(struct rpc_rqst *req, __be32 *p,
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const struct nfs_fh *fh)
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@ -345,18 +300,6 @@ static int nfs2_xdr_enc_fhandle(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode SETATTR arguments
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*/
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static int
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nfs_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs_sattrargs *args)
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{
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p = xdr_encode_fhandle(p, args->fh);
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p = xdr_encode_sattr(p, args->sattr);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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/*
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* 2.2.3. sattrargs
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*
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@ -376,19 +319,6 @@ static int nfs2_xdr_enc_sattrargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode directory ops argument
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* LOOKUP, RMDIR
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*/
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static int
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nfs_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs_diropargs *args)
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{
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p = xdr_encode_fhandle(p, args->fh);
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p = xdr_encode_array(p, args->name, args->len);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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static int nfs2_xdr_enc_diropargs(struct rpc_rqst *req, __be32 *p,
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const struct nfs_diropargs *args)
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{
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@ -399,18 +329,6 @@ static int nfs2_xdr_enc_diropargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode REMOVE argument
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*/
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static int
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nfs_xdr_removeargs(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
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{
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p = xdr_encode_fhandle(p, args->fh);
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p = xdr_encode_array(p, args->name.name, args->name.len);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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static int nfs2_xdr_enc_readlinkargs(struct rpc_rqst *req, __be32 *p,
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const struct nfs_readlinkargs *args)
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{
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@ -423,33 +341,6 @@ static int nfs2_xdr_enc_readlinkargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Arguments to a READ call. Since we read data directly into the page
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* cache, we also set up the reply iovec here so that iov[1] points
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* exactly to the page we want to fetch.
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*/
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static int
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nfs_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
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{
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struct rpc_auth *auth = req->rq_cred->cr_auth;
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unsigned int replen;
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u32 offset = (u32)args->offset;
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u32 count = args->count;
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p = xdr_encode_fhandle(p, args->fh);
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*p++ = htonl(offset);
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*p++ = htonl(count);
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*p++ = htonl(count);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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/* Inline the page array */
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replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readres_sz) << 2;
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xdr_inline_pages(&req->rq_rcv_buf, replen,
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args->pages, args->pgbase, count);
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req->rq_rcv_buf.flags |= XDRBUF_READ;
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return 0;
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}
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/*
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* 2.2.7. readargs
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*
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@ -530,29 +421,6 @@ nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res)
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}
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/*
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* Write arguments. Splice the buffer to be written into the iovec.
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*/
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static int
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nfs_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
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{
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struct xdr_buf *sndbuf = &req->rq_snd_buf;
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u32 offset = (u32)args->offset;
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u32 count = args->count;
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p = xdr_encode_fhandle(p, args->fh);
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*p++ = htonl(offset);
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*p++ = htonl(offset);
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*p++ = htonl(count);
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*p++ = htonl(count);
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sndbuf->len = xdr_adjust_iovec(sndbuf->head, p);
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/* Copy the page array */
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xdr_encode_pages(sndbuf, args->pages, args->pgbase, count);
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sndbuf->flags |= XDRBUF_WRITE;
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return 0;
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}
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/*
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* 2.2.9. writeargs
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*
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@ -594,20 +462,6 @@ static int nfs2_xdr_enc_writeargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode create arguments
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* CREATE, MKDIR
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*/
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static int
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nfs_xdr_createargs(struct rpc_rqst *req, __be32 *p, struct nfs_createargs *args)
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{
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p = xdr_encode_fhandle(p, args->fh);
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p = xdr_encode_array(p, args->name, args->len);
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p = xdr_encode_sattr(p, args->sattr);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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/*
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* 2.2.10. createargs
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*
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@ -637,20 +491,6 @@ static int nfs2_xdr_enc_removeargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode RENAME arguments
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*/
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static int
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nfs_xdr_renameargs(struct rpc_rqst *req, __be32 *p, struct nfs_renameargs *args)
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{
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p = xdr_encode_fhandle(p, args->old_dir);
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p = xdr_encode_array(p, args->old_name->name, args->old_name->len);
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p = xdr_encode_fhandle(p, args->new_dir);
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p = xdr_encode_array(p, args->new_name->name, args->new_name->len);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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/*
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* 2.2.12. renameargs
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*
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@ -672,19 +512,6 @@ static int nfs2_xdr_enc_renameargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode LINK arguments
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*/
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static int
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nfs_xdr_linkargs(struct rpc_rqst *req, __be32 *p, struct nfs_linkargs *args)
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{
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p = xdr_encode_fhandle(p, args->fromfh);
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p = xdr_encode_fhandle(p, args->tofh);
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p = xdr_encode_array(p, args->toname, args->tolen);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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return 0;
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}
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/*
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* 2.2.13. linkargs
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*
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@ -704,35 +531,6 @@ static int nfs2_xdr_enc_linkargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode SYMLINK arguments
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*/
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static int
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nfs_xdr_symlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_symlinkargs *args)
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{
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struct xdr_buf *sndbuf = &req->rq_snd_buf;
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size_t pad;
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p = xdr_encode_fhandle(p, args->fromfh);
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p = xdr_encode_array(p, args->fromname, args->fromlen);
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*p++ = htonl(args->pathlen);
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sndbuf->len = xdr_adjust_iovec(sndbuf->head, p);
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xdr_encode_pages(sndbuf, args->pages, 0, args->pathlen);
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/*
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* xdr_encode_pages may have added a few bytes to ensure the
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* pathname ends on a 4-byte boundary. Start encoding the
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* attributes after the pad bytes.
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*/
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pad = sndbuf->tail->iov_len;
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if (pad > 0)
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p++;
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p = xdr_encode_sattr(p, args->sattr);
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sndbuf->len += xdr_adjust_iovec(sndbuf->tail, p) - pad;
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return 0;
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}
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/*
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* 2.2.14. symlinkargs
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*
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@ -754,27 +552,6 @@ static int nfs2_xdr_enc_symlinkargs(struct rpc_rqst *req, __be32 *p,
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return 0;
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}
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/*
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* Encode arguments to readdir call
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*/
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static int
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nfs_xdr_readdirargs(struct rpc_rqst *req, __be32 *p, struct nfs_readdirargs *args)
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{
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struct rpc_auth *auth = req->rq_cred->cr_auth;
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unsigned int replen;
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u32 count = args->count;
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p = xdr_encode_fhandle(p, args->fh);
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*p++ = htonl(args->cookie);
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*p++ = htonl(count); /* see above */
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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/* Inline the page array */
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replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readdirres_sz) << 2;
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xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 0, count);
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return 0;
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}
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/*
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* 2.2.17. readdirargs
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*
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@ -947,24 +724,6 @@ nfs_xdr_diropres(struct rpc_rqst *req, __be32 *p, struct nfs_diropok *res)
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return 0;
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}
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/*
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* Encode READLINK args
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*/
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static int
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nfs_xdr_readlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_readlinkargs *args)
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{
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struct rpc_auth *auth = req->rq_cred->cr_auth;
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unsigned int replen;
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p = xdr_encode_fhandle(p, args->fh);
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req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
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/* Inline the page array */
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replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readlinkres_sz) << 2;
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xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, args->pgbase, args->pglen);
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return 0;
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}
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/*
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* Decode READLINK reply
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*/
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