diff options
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 328 |
1 files changed, 4 insertions, 324 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index bbda8904205..b0af263e4db 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -131,12 +131,6 @@ static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages, * Common NFS XDR functions as inlines */ static inline __be32 * -xdr_encode_fhandle(__be32 *p, const struct nfs_fh *fh) -{ - return xdr_encode_array(p, fh->data, fh->size); -} - -static inline __be32 * xdr_decode_fhandle(__be32 *p, struct nfs_fh *fh) { if ((fh->size = ntohl(*p++)) <= NFS3_FHSIZE) { @@ -564,21 +558,13 @@ static void encode_diropargs3(struct xdr_stream *xdr, const struct nfs_fh *fh, /* - * NFS encode functions + * NFSv3 XDR encode functions + * + * NFSv3 argument types are defined in section 3.3 of RFC 1813: + * "NFS Version 3 Protocol Specification". */ /* - * Encode file handle argument - */ -static int -nfs3_xdr_fhandle(struct rpc_rqst *req, __be32 *p, struct nfs_fh *fh) -{ - p = xdr_encode_fhandle(p, fh); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.1 GETATTR3args * * struct GETATTR3args { @@ -596,21 +582,6 @@ static int nfs3_xdr_enc_getattr3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode SETATTR arguments - */ -static int -nfs3_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs3_sattrargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_sattr(p, args->sattr); - *p++ = htonl(args->guard); - if (args->guard) - p = xdr_encode_time3(p, &args->guardtime); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.2 SETATTR3args * * union sattrguard3 switch (bool check) { @@ -654,18 +625,6 @@ static int nfs3_xdr_enc_setattr3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode directory ops argument - */ -static int -nfs3_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs3_diropargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.3 LOOKUP3args * * struct LOOKUP3args { @@ -683,30 +642,6 @@ static int nfs3_xdr_enc_lookup3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode REMOVE argument - */ -static int -nfs3_xdr_removeargs(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name.name, args->name.len); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* - * Encode access() argument - */ -static int -nfs3_xdr_accessargs(struct rpc_rqst *req, __be32 *p, struct nfs3_accessargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - *p++ = htonl(args->access); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.4 ACCESS3args * * struct ACCESS3args { @@ -751,31 +686,6 @@ static int nfs3_xdr_enc_readlink3args(struct rpc_rqst *req, __be32 *p, } /* - * Arguments to a READ call. Since we read data directly into the page - * cache, we also set up the reply iovec here so that iov[1] points - * exactly to the page we want to fetch. - */ -static int -nfs3_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) -{ - struct rpc_auth *auth = req->rq_cred->cr_auth; - unsigned int replen; - u32 count = args->count; - - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_hyper(p, args->offset); - *p++ = htonl(count); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - - /* Inline the page array */ - replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS3_readres_sz) << 2; - xdr_inline_pages(&req->rq_rcv_buf, replen, - args->pages, args->pgbase, count); - req->rq_rcv_buf.flags |= XDRBUF_READ; - return 0; -} - -/* * 3.3.6 READ3args * * struct READ3args { @@ -810,28 +720,6 @@ static int nfs3_xdr_enc_read3args(struct rpc_rqst *req, __be32 *p, } /* - * Write arguments. Splice the buffer to be written into the iovec. - */ -static int -nfs3_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) -{ - struct xdr_buf *sndbuf = &req->rq_snd_buf; - u32 count = args->count; - - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_hyper(p, args->offset); - *p++ = htonl(count); - *p++ = htonl(args->stable); - *p++ = htonl(count); - sndbuf->len = xdr_adjust_iovec(sndbuf->head, p); - - /* Copy the page array */ - xdr_encode_pages(sndbuf, args->pages, args->pgbase, count); - sndbuf->flags |= XDRBUF_WRITE; - return 0; -} - -/* * 3.3.7 WRITE3args * * enum stable_how { @@ -878,26 +766,6 @@ static int nfs3_xdr_enc_write3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode CREATE arguments - */ -static int -nfs3_xdr_createargs(struct rpc_rqst *req, __be32 *p, struct nfs3_createargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); - - *p++ = htonl(args->createmode); - if (args->createmode == NFS3_CREATE_EXCLUSIVE) { - *p++ = args->verifier[0]; - *p++ = args->verifier[1]; - } else - p = xdr_encode_sattr(p, args->sattr); - - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.8 CREATE3args * * enum createmode3 { @@ -948,19 +816,6 @@ static int nfs3_xdr_enc_create3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode MKDIR arguments - */ -static int -nfs3_xdr_mkdirargs(struct rpc_rqst *req, __be32 *p, struct nfs3_mkdirargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); - p = xdr_encode_sattr(p, args->sattr); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.9 MKDIR3args * * struct MKDIR3args { @@ -980,23 +835,6 @@ static int nfs3_xdr_enc_mkdir3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode SYMLINK arguments - */ -static int -nfs3_xdr_symlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_symlinkargs *args) -{ - p = xdr_encode_fhandle(p, args->fromfh); - p = xdr_encode_array(p, args->fromname, args->fromlen); - p = xdr_encode_sattr(p, args->sattr); - *p++ = htonl(args->pathlen); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - - /* Copy the page */ - xdr_encode_pages(&req->rq_snd_buf, args->pages, 0, args->pathlen); - return 0; -} - -/* * 3.3.10 SYMLINK3args * * struct symlinkdata3 { @@ -1028,25 +866,6 @@ static int nfs3_xdr_enc_symlink3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode MKNOD arguments - */ -static int -nfs3_xdr_mknodargs(struct rpc_rqst *req, __be32 *p, struct nfs3_mknodargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_array(p, args->name, args->len); - *p++ = htonl(args->type); - p = xdr_encode_sattr(p, args->sattr); - if (args->type == NF3CHR || args->type == NF3BLK) { - *p++ = htonl(MAJOR(args->rdev)); - *p++ = htonl(MINOR(args->rdev)); - } - - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.11 MKNOD3args * * struct devicedata3 { @@ -1127,20 +946,6 @@ static int nfs3_xdr_enc_remove3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode RENAME arguments - */ -static int -nfs3_xdr_renameargs(struct rpc_rqst *req, __be32 *p, struct nfs_renameargs *args) -{ - p = xdr_encode_fhandle(p, args->old_dir); - p = xdr_encode_array(p, args->old_name->name, args->old_name->len); - p = xdr_encode_fhandle(p, args->new_dir); - p = xdr_encode_array(p, args->new_name->name, args->new_name->len); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.14 RENAME3args * * struct RENAME3args { @@ -1162,19 +967,6 @@ static int nfs3_xdr_enc_rename3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode LINK arguments - */ -static int -nfs3_xdr_linkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_linkargs *args) -{ - p = xdr_encode_fhandle(p, args->fromfh); - p = xdr_encode_fhandle(p, args->tofh); - p = xdr_encode_array(p, args->toname, args->tolen); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.15 LINK3args * * struct LINK3args { @@ -1194,34 +986,6 @@ static int nfs3_xdr_enc_link3args(struct rpc_rqst *req, __be32 *p, } /* - * Encode arguments to readdir call - */ -static int -nfs3_xdr_readdirargs(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirargs *args) -{ - struct rpc_auth *auth = req->rq_cred->cr_auth; - unsigned int replen; - u32 count = args->count; - - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_hyper(p, args->cookie); - *p++ = args->verf[0]; - *p++ = args->verf[1]; - if (args->plus) { - /* readdirplus: need dircount + buffer size. - * We just make sure we make dircount big enough */ - *p++ = htonl(count >> 3); - } - *p++ = htonl(count); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - - /* Inline the page array */ - replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS3_readdirres_sz) << 2; - xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 0, count); - return 0; -} - -/* * 3.3.16 READDIR3args * * struct READDIR3args { @@ -1418,19 +1182,6 @@ out_overflow_exit: } /* - * Encode COMMIT arguments - */ -static int -nfs3_xdr_commitargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) -{ - p = xdr_encode_fhandle(p, args->fh); - p = xdr_encode_hyper(p, args->offset); - *p++ = htonl(args->count); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - return 0; -} - -/* * 3.3.21 COMMIT3args * * struct COMMIT3args { @@ -1462,29 +1213,6 @@ static int nfs3_xdr_enc_commit3args(struct rpc_rqst *req, __be32 *p, } #ifdef CONFIG_NFS_V3_ACL -/* - * Encode GETACL arguments - */ -static int -nfs3_xdr_getaclargs(struct rpc_rqst *req, __be32 *p, - struct nfs3_getaclargs *args) -{ - struct rpc_auth *auth = req->rq_cred->cr_auth; - unsigned int replen; - - p = xdr_encode_fhandle(p, args->fh); - *p++ = htonl(args->mask); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - - if (args->mask & (NFS_ACL | NFS_DFACL)) { - /* Inline the page array */ - replen = (RPC_REPHDRSIZE + auth->au_rslack + - ACL3_getaclres_sz) << 2; - xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 0, - NFSACL_MAXPAGES << PAGE_SHIFT); - } - return 0; -} static int nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, __be32 *p, const struct nfs3_getaclargs *args) @@ -1501,39 +1229,6 @@ static int nfs3_xdr_enc_getacl3args(struct rpc_rqst *req, __be32 *p, return 0; } -/* - * Encode SETACL arguments - */ -static int -nfs3_xdr_setaclargs(struct rpc_rqst *req, __be32 *p, - struct nfs3_setaclargs *args) -{ - struct xdr_buf *buf = &req->rq_snd_buf; - unsigned int base; - int err; - - p = xdr_encode_fhandle(p, NFS_FH(args->inode)); - *p++ = htonl(args->mask); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - base = req->rq_slen; - - if (args->npages != 0) - xdr_encode_pages(buf, args->pages, 0, args->len); - else - req->rq_slen = xdr_adjust_iovec(req->rq_svec, - p + XDR_QUADLEN(args->len)); - - err = nfsacl_encode(buf, base, args->inode, - (args->mask & NFS_ACL) ? - args->acl_access : NULL, 1, 0); - if (err > 0) - err = nfsacl_encode(buf, base + err, args->inode, - (args->mask & NFS_DFACL) ? - args->acl_default : NULL, 1, - NFS_ACL_DEFAULT); - return (err > 0) ? 0 : err; -} - static int nfs3_xdr_enc_setacl3args(struct rpc_rqst *req, __be32 *p, const struct nfs3_setaclargs *args) { @@ -1635,21 +1330,6 @@ nfs3_xdr_accessres(struct rpc_rqst *req, __be32 *p, struct nfs3_accessres *res) return 0; } -static int -nfs3_xdr_readlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs3_readlinkargs *args) -{ - struct rpc_auth *auth = req->rq_cred->cr_auth; - unsigned int replen; - - p = xdr_encode_fhandle(p, args->fh); - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); - - /* Inline the page array */ - replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS3_readlinkres_sz) << 2; - xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, args->pgbase, args->pglen); - return 0; -} - /* * Decode READLINK reply */ |