[PATCH] xdr annotations: NFSv2
on-the-wire data is big-endian [in large part pulled from Alexey's patch] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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52921e02a4
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9d787a75a0
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@ -66,15 +66,15 @@
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/*
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* Common NFS XDR functions as inlines
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*/
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static inline u32 *
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xdr_encode_fhandle(u32 *p, struct nfs_fh *fhandle)
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static inline __be32 *
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xdr_encode_fhandle(__be32 *p, 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 u32 *
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xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle)
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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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/* NFSv2 handles have a fixed length */
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fhandle->size = NFS2_FHSIZE;
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@ -82,8 +82,8 @@ xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle)
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return p + XDR_QUADLEN(NFS2_FHSIZE);
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}
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static inline u32*
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xdr_encode_time(u32 *p, struct timespec *timep)
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static inline __be32*
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xdr_encode_time(__be32 *p, struct timespec *timep)
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{
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*p++ = htonl(timep->tv_sec);
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/* Convert nanoseconds into microseconds */
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@ -91,8 +91,8 @@ xdr_encode_time(u32 *p, struct timespec *timep)
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return p;
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}
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static inline u32*
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xdr_encode_current_server_time(u32 *p, struct timespec *timep)
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static inline __be32*
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xdr_encode_current_server_time(__be32 *p, struct timespec *timep)
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{
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/*
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* Passing the invalid value useconds=1000000 is a
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@ -108,8 +108,8 @@ xdr_encode_current_server_time(u32 *p, struct timespec *timep)
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return p;
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}
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static inline u32*
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xdr_decode_time(u32 *p, struct timespec *timep)
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static inline __be32*
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xdr_decode_time(__be32 *p, struct timespec *timep)
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{
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timep->tv_sec = ntohl(*p++);
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/* Convert microseconds into nanoseconds */
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@ -117,8 +117,8 @@ xdr_decode_time(u32 *p, struct timespec *timep)
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return p;
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}
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static u32 *
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xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
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static __be32 *
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xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
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{
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u32 rdev;
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fattr->type = (enum nfs_ftype) ntohl(*p++);
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@ -146,10 +146,10 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
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return p;
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}
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static inline u32 *
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xdr_encode_sattr(u32 *p, struct iattr *attr)
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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 u32 not_set = __constant_htonl(0xFFFFFFFF);
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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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@ -184,7 +184,7 @@ xdr_encode_sattr(u32 *p, struct iattr *attr)
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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, u32 *p, struct nfs_fh *fh)
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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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@ -195,7 +195,7 @@ nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh)
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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, u32 *p, struct nfs_sattrargs *args)
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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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@ -208,7 +208,7 @@ nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args)
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* LOOKUP, REMOVE, RMDIR
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*/
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static int
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nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args)
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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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@ -222,7 +222,7 @@ nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args)
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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, u32 *p, struct nfs_readargs *args)
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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_task->tk_auth;
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unsigned int replen;
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@ -246,7 +246,7 @@ nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args)
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* Decode READ reply
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*/
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static int
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nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
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nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res)
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{
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struct kvec *iov = req->rq_rcv_buf.head;
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int status, count, recvd, hdrlen;
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@ -286,7 +286,7 @@ nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
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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, u32 *p, struct nfs_writeargs *args)
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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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@ -309,7 +309,7 @@ nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args)
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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, u32 *p, struct nfs_createargs *args)
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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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@ -322,7 +322,7 @@ nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *args)
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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, u32 *p, struct nfs_renameargs *args)
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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->fromfh);
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p = xdr_encode_array(p, args->fromname, args->fromlen);
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@ -336,7 +336,7 @@ nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args)
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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, u32 *p, struct nfs_linkargs *args)
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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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@ -349,7 +349,7 @@ nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_linkargs *args)
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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, u32 *p, struct nfs_symlinkargs *args)
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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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@ -378,7 +378,7 @@ nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args)
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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, u32 *p, struct nfs_readdirargs *args)
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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_task *task = req->rq_task;
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struct rpc_auth *auth = task->tk_auth;
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@ -404,7 +404,7 @@ nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args)
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* from nfs_readdir for each entry.
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*/
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static int
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nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
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nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy)
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{
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struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
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struct kvec *iov = rcvbuf->head;
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int hdrlen, recvd;
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int status, nr;
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unsigned int len, pglen;
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u32 *end, *entry, *kaddr;
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__be32 *end, *entry, *kaddr;
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if ((status = ntohl(*p++)))
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return -nfs_stat_to_errno(status);
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if (pglen > recvd)
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pglen = recvd;
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page = rcvbuf->pages;
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kaddr = p = (u32 *)kmap_atomic(*page, KM_USER0);
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end = (u32 *)((char *)p + pglen);
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kaddr = p = kmap_atomic(*page, KM_USER0);
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end = (__be32 *)((char *)p + pglen);
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entry = p;
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for (nr = 0; *p++; nr++) {
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if (p + 2 > end)
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* Decode simple status reply
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*/
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static int
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nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy)
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nfs_xdr_stat(struct rpc_rqst *req, __be32 *p, void *dummy)
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{
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int status;
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@ -510,7 +510,7 @@ nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy)
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* GETATTR, SETATTR, WRITE
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*/
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static int
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nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr)
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nfs_xdr_attrstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
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{
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int status;
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* LOOKUP, CREATE, MKDIR
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*/
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static int
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nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res)
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nfs_xdr_diropres(struct rpc_rqst *req, __be32 *p, struct nfs_diropok *res)
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{
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int status;
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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, u32 *p, struct nfs_readlinkargs *args)
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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_task->tk_auth;
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unsigned int replen;
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* Decode READLINK reply
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*/
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static int
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nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy)
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nfs_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, void *dummy)
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{
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struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
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struct kvec *iov = rcvbuf->head;
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* Decode WRITE reply
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*/
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static int
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nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res)
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nfs_xdr_writeres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res)
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{
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res->verf->committed = NFS_FILE_SYNC;
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return nfs_xdr_attrstat(req, p, res->fattr);
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@ -611,7 +611,7 @@ nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res)
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* Decode STATFS reply
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*/
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static int
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nfs_xdr_statfsres(struct rpc_rqst *req, u32 *p, struct nfs2_fsstat *res)
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nfs_xdr_statfsres(struct rpc_rqst *req, __be32 *p, struct nfs2_fsstat *res)
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{
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int status;
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