diff options
Diffstat (limited to 'fs/nfs/nfs2xdr.c')
| -rw-r--r-- | fs/nfs/nfs2xdr.c | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c new file mode 100644 index 0000000..d91b690 --- /dev/null +++ b/fs/nfs/nfs2xdr.c @@ -0,0 +1,711 @@ +/* + * linux/fs/nfs/nfs2xdr.c + * + * XDR functions to encode/decode NFS RPC arguments and results. + * + * Copyright (C) 1992, 1993, 1994 Rick Sladkey + * Copyright (C) 1996 Olaf Kirch + * 04 Aug 1998 Ion Badulescu <ionut@cs.columbia.edu> + * FIFO's need special handling in NFSv2 + */ + +#include <linux/param.h> +#include <linux/time.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/utsname.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/in.h> +#include <linux/pagemap.h> +#include <linux/proc_fs.h> +#include <linux/sunrpc/clnt.h> +#include <linux/nfs.h> +#include <linux/nfs2.h> +#include <linux/nfs_fs.h> + +#define NFSDBG_FACILITY NFSDBG_XDR +/* #define NFS_PARANOIA 1 */ + +extern int nfs_stat_to_errno(int stat); + +/* Mapping from NFS error code to "errno" error code. */ +#define errno_NFSERR_IO EIO + +/* + * Declare the space requirements for NFS arguments and replies as + * number of 32bit-words + */ +#define NFS_fhandle_sz (8) +#define NFS_sattr_sz (8) +#define NFS_filename_sz (1+(NFS2_MAXNAMLEN>>2)) +#define NFS_path_sz (1+(NFS2_MAXPATHLEN>>2)) +#define NFS_fattr_sz (17) +#define NFS_info_sz (5) +#define NFS_entry_sz (NFS_filename_sz+3) + +#define NFS_diropargs_sz (NFS_fhandle_sz+NFS_filename_sz) +#define NFS_sattrargs_sz (NFS_fhandle_sz+NFS_sattr_sz) +#define NFS_readlinkargs_sz (NFS_fhandle_sz) +#define NFS_readargs_sz (NFS_fhandle_sz+3) +#define NFS_writeargs_sz (NFS_fhandle_sz+4) +#define NFS_createargs_sz (NFS_diropargs_sz+NFS_sattr_sz) +#define NFS_renameargs_sz (NFS_diropargs_sz+NFS_diropargs_sz) +#define NFS_linkargs_sz (NFS_fhandle_sz+NFS_diropargs_sz) +#define NFS_symlinkargs_sz (NFS_diropargs_sz+NFS_path_sz+NFS_sattr_sz) +#define NFS_readdirargs_sz (NFS_fhandle_sz+2) + +#define NFS_attrstat_sz (1+NFS_fattr_sz) +#define NFS_diropres_sz (1+NFS_fhandle_sz+NFS_fattr_sz) +#define NFS_readlinkres_sz (2) +#define NFS_readres_sz (1+NFS_fattr_sz+1) +#define NFS_writeres_sz (NFS_attrstat_sz) +#define NFS_stat_sz (1) +#define NFS_readdirres_sz (1) +#define NFS_statfsres_sz (1+NFS_info_sz) + +/* + * Common NFS XDR functions as inlines + */ +static inline u32 * +xdr_encode_fhandle(u32 *p, struct nfs_fh *fhandle) +{ + memcpy(p, fhandle->data, NFS2_FHSIZE); + return p + XDR_QUADLEN(NFS2_FHSIZE); +} + +static inline u32 * +xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle) +{ + /* NFSv2 handles have a fixed length */ + fhandle->size = NFS2_FHSIZE; + memcpy(fhandle->data, p, NFS2_FHSIZE); + return p + XDR_QUADLEN(NFS2_FHSIZE); +} + +static inline u32* +xdr_encode_time(u32 *p, struct timespec *timep) +{ + *p++ = htonl(timep->tv_sec); + /* Convert nanoseconds into microseconds */ + *p++ = htonl(timep->tv_nsec ? timep->tv_nsec / 1000 : 0); + return p; +} + +static inline u32* +xdr_encode_current_server_time(u32 *p, struct timespec *timep) +{ + /* + * Passing the invalid value useconds=1000000 is a + * Sun convention for "set to current server time". + * It's needed to make permissions checks for the + * "touch" program across v2 mounts to Solaris and + * Irix boxes work correctly. See description of + * sattr in section 6.1 of "NFS Illustrated" by + * Brent Callaghan, Addison-Wesley, ISBN 0-201-32750-5 + */ + *p++ = htonl(timep->tv_sec); + *p++ = htonl(1000000); + return p; +} + +static inline u32* +xdr_decode_time(u32 *p, struct timespec *timep) +{ + timep->tv_sec = ntohl(*p++); + /* Convert microseconds into nanoseconds */ + timep->tv_nsec = ntohl(*p++) * 1000; + return p; +} + +static u32 * +xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr) +{ + u32 rdev; + fattr->type = (enum nfs_ftype) ntohl(*p++); + fattr->mode = ntohl(*p++); + fattr->nlink = ntohl(*p++); + fattr->uid = ntohl(*p++); + fattr->gid = ntohl(*p++); + fattr->size = ntohl(*p++); + fattr->du.nfs2.blocksize = ntohl(*p++); + rdev = ntohl(*p++); + fattr->du.nfs2.blocks = ntohl(*p++); + fattr->fsid_u.nfs3 = ntohl(*p++); + fattr->fileid = ntohl(*p++); + p = xdr_decode_time(p, &fattr->atime); + p = xdr_decode_time(p, &fattr->mtime); + p = xdr_decode_time(p, &fattr->ctime); + fattr->valid |= NFS_ATTR_FATTR; + fattr->rdev = new_decode_dev(rdev); + if (fattr->type == NFCHR && rdev == NFS2_FIFO_DEV) { + fattr->type = NFFIFO; + fattr->mode = (fattr->mode & ~S_IFMT) | S_IFIFO; + fattr->rdev = 0; + } + fattr->timestamp = jiffies; + return p; +} + +#define SATTR(p, attr, flag, field) \ + *p++ = (attr->ia_valid & flag) ? htonl(attr->field) : ~(u32) 0 +static inline u32 * +xdr_encode_sattr(u32 *p, struct iattr *attr) +{ + SATTR(p, attr, ATTR_MODE, ia_mode); + SATTR(p, attr, ATTR_UID, ia_uid); + SATTR(p, attr, ATTR_GID, ia_gid); + SATTR(p, attr, ATTR_SIZE, ia_size); + + if (attr->ia_valid & ATTR_ATIME_SET) { + p = xdr_encode_time(p, &attr->ia_atime); + } else if (attr->ia_valid & ATTR_ATIME) { + p = xdr_encode_current_server_time(p, &attr->ia_atime); + } else { + *p++ = ~(u32) 0; + *p++ = ~(u32) 0; + } + + if (attr->ia_valid & ATTR_MTIME_SET) { + p = xdr_encode_time(p, &attr->ia_mtime); + } else if (attr->ia_valid & ATTR_MTIME) { + p = xdr_encode_current_server_time(p, &attr->ia_mtime); + } else { + *p++ = ~(u32) 0; + *p++ = ~(u32) 0; + } + return p; +} +#undef SATTR + +/* + * NFS encode functions + */ +/* + * Encode file handle argument + * GETATTR, READLINK, STATFS + */ +static int +nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh) +{ + p = xdr_encode_fhandle(p, fh); + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); + return 0; +} + +/* + * Encode SETATTR arguments + */ +static int +nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args) +{ + p = xdr_encode_fhandle(p, args->fh); + p = xdr_encode_sattr(p, args->sattr); + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); + return 0; +} + +/* + * Encode directory ops argument + * LOOKUP, REMOVE, RMDIR + */ +static int +nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_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; +} + +/* + * 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 +nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args) +{ + struct rpc_auth *auth = req->rq_task->tk_auth; + unsigned int replen; + u32 offset = (u32)args->offset; + u32 count = args->count; + + p = xdr_encode_fhandle(p, args->fh); + *p++ = htonl(offset); + *p++ = htonl(count); + *p++ = htonl(count); + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); + + /* Inline the page array */ + replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readres_sz) << 2; + xdr_inline_pages(&req->rq_rcv_buf, replen, + args->pages, args->pgbase, count); + return 0; +} + +/* + * Decode READ reply + */ +static int +nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res) +{ + struct kvec *iov = req->rq_rcv_buf.head; + int status, count, recvd, hdrlen; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + p = xdr_decode_fattr(p, res->fattr); + + count = ntohl(*p++); + res->eof = 0; + hdrlen = (u8 *) p - (u8 *) iov->iov_base; + if (iov->iov_len < hdrlen) { + printk(KERN_WARNING "NFS: READ reply header overflowed:" + "length %d > %Zu\n", hdrlen, iov->iov_len); + return -errno_NFSERR_IO; + } else if (iov->iov_len != hdrlen) { + dprintk("NFS: READ header is short. iovec will be shifted.\n"); + xdr_shift_buf(&req->rq_rcv_buf, iov->iov_len - hdrlen); + } + + recvd = req->rq_rcv_buf.len - hdrlen; + if (count > recvd) { + printk(KERN_WARNING "NFS: server cheating in read reply: " + "count %d > recvd %d\n", count, recvd); + count = recvd; + } + + dprintk("RPC: readres OK count %d\n", count); + if (count < res->count) + res->count = count; + + return count; +} + + +/* + * Write arguments. Splice the buffer to be written into the iovec. + */ +static int +nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args) +{ + struct xdr_buf *sndbuf = &req->rq_snd_buf; + u32 offset = (u32)args->offset; + u32 count = args->count; + + p = xdr_encode_fhandle(p, args->fh); + *p++ = htonl(offset); + *p++ = htonl(offset); + *p++ = htonl(count); + *p++ = htonl(count); + sndbuf->len = xdr_adjust_iovec(sndbuf->head, p); + + /* Copy the page array */ + xdr_encode_pages(sndbuf, args->pages, args->pgbase, count); + return 0; +} + +/* + * Encode create arguments + * CREATE, MKDIR + */ +static int +nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *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; +} + +/* + * Encode RENAME arguments + */ +static int +nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args) +{ + p = xdr_encode_fhandle(p, args->fromfh); + p = xdr_encode_array(p, args->fromname, args->fromlen); + 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; +} + +/* + * Encode LINK arguments + */ +static int +nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_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; +} + +/* + * Encode SYMLINK arguments + */ +static int +nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args) +{ + p = xdr_encode_fhandle(p, args->fromfh); + p = xdr_encode_array(p, args->fromname, args->fromlen); + p = xdr_encode_array(p, args->topath, args->tolen); + p = xdr_encode_sattr(p, args->sattr); + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); + return 0; +} + +/* + * Encode arguments to readdir call + */ +static int +nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args) +{ + struct rpc_task *task = req->rq_task; + struct rpc_auth *auth = task->tk_auth; + unsigned int replen; + u32 count = args->count; + + p = xdr_encode_fhandle(p, args->fh); + *p++ = htonl(args->cookie); + *p++ = htonl(count); /* see above */ + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p); + + /* Inline the page array */ + replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS_readdirres_sz) << 2; + xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, 0, count); + return 0; +} + +/* + * Decode the result of a readdir call. + * We're not really decoding anymore, we just leave the buffer untouched + * and only check that it is syntactically correct. + * The real decoding happens in nfs_decode_entry below, called directly + * from nfs_readdir for each entry. + */ +static int +nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy) +{ + struct xdr_buf *rcvbuf = &req->rq_rcv_buf; + struct kvec *iov = rcvbuf->head; + struct page **page; + int hdrlen, recvd; + int status, nr; + unsigned int len, pglen; + u32 *end, *entry, *kaddr; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + + hdrlen = (u8 *) p - (u8 *) iov->iov_base; + if (iov->iov_len < hdrlen) { + printk(KERN_WARNING "NFS: READDIR reply header overflowed:" + "length %d > %Zu\n", hdrlen, iov->iov_len); + return -errno_NFSERR_IO; + } else if (iov->iov_len != hdrlen) { + dprintk("NFS: READDIR header is short. iovec will be shifted.\n"); + xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen); + } + + pglen = rcvbuf->page_len; + recvd = rcvbuf->len - hdrlen; + if (pglen > recvd) + pglen = recvd; + page = rcvbuf->pages; + kaddr = p = (u32 *)kmap_atomic(*page, KM_USER0); + end = (u32 *)((char *)p + pglen); + entry = p; + for (nr = 0; *p++; nr++) { + if (p + 2 > end) + goto short_pkt; + p++; /* fileid */ + len = ntohl(*p++); + p += XDR_QUADLEN(len) + 1; /* name plus cookie */ + if (len > NFS2_MAXNAMLEN) { + printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)!\n", + len); + goto err_unmap; + } + if (p + 2 > end) + goto short_pkt; + entry = p; + } + if (!nr && (entry[0] != 0 || entry[1] == 0)) + goto short_pkt; + out: + kunmap_atomic(kaddr, KM_USER0); + return nr; + short_pkt: + entry[0] = entry[1] = 0; + /* truncate listing ? */ + if (!nr) { + printk(KERN_NOTICE "NFS: readdir reply truncated!\n"); + entry[1] = 1; + } + goto out; +err_unmap: + nr = -errno_NFSERR_IO; + goto out; +} + +u32 * +nfs_decode_dirent(u32 *p, struct nfs_entry *entry, int plus) +{ + if (!*p++) { + if (!*p) + return ERR_PTR(-EAGAIN); + entry->eof = 1; + return ERR_PTR(-EBADCOOKIE); + } + + entry->ino = ntohl(*p++); + entry->len = ntohl(*p++); + entry->name = (const char *) p; + p += XDR_QUADLEN(entry->len); + entry->prev_cookie = entry->cookie; + entry->cookie = ntohl(*p++); + entry->eof = !p[0] && p[1]; + + return p; +} + +/* + * NFS XDR decode functions + */ +/* + * Decode simple status reply + */ +static int +nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy) +{ + int status; + + if ((status = ntohl(*p++)) != 0) + status = -nfs_stat_to_errno(status); + return status; +} + +/* + * Decode attrstat reply + * GETATTR, SETATTR, WRITE + */ +static int +nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr) +{ + int status; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + xdr_decode_fattr(p, fattr); + return 0; +} + +/* + * Decode diropres reply + * LOOKUP, CREATE, MKDIR + */ +static int +nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res) +{ + int status; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + p = xdr_decode_fhandle(p, res->fh); + xdr_decode_fattr(p, res->fattr); + return 0; +} + +/* + * Encode READLINK args + */ +static int +nfs_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_readlinkargs *args) +{ + struct rpc_auth *auth = req->rq_task->tk_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 + NFS_readlinkres_sz) << 2; + xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, args->pgbase, args->pglen); + return 0; +} + +/* + * Decode READLINK reply + */ +static int +nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy) +{ + struct xdr_buf *rcvbuf = &req->rq_rcv_buf; + struct kvec *iov = rcvbuf->head; + int hdrlen, len, recvd; + char *kaddr; + int status; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + /* Convert length of symlink */ + len = ntohl(*p++); + if (len >= rcvbuf->page_len || len <= 0) { + dprintk(KERN_WARNING "nfs: server returned giant symlink!\n"); + return -ENAMETOOLONG; + } + hdrlen = (u8 *) p - (u8 *) iov->iov_base; + if (iov->iov_len < hdrlen) { + printk(KERN_WARNING "NFS: READLINK reply header overflowed:" + "length %d > %Zu\n", hdrlen, iov->iov_len); + return -errno_NFSERR_IO; + } else if (iov->iov_len != hdrlen) { + dprintk("NFS: READLINK header is short. iovec will be shifted.\n"); + xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen); + } + recvd = req->rq_rcv_buf.len - hdrlen; + if (recvd < len) { + printk(KERN_WARNING "NFS: server cheating in readlink reply: " + "count %u > recvd %u\n", len, recvd); + return -EIO; + } + + /* NULL terminate the string we got */ + kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); + kaddr[len+rcvbuf->page_base] = '\0'; + kunmap_atomic(kaddr, KM_USER0); + return 0; +} + +/* + * Decode WRITE reply + */ +static int +nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res) +{ + res->verf->committed = NFS_FILE_SYNC; + return nfs_xdr_attrstat(req, p, res->fattr); +} + +/* + * Decode STATFS reply + */ +static int +nfs_xdr_statfsres(struct rpc_rqst *req, u32 *p, struct nfs2_fsstat *res) +{ + int status; + + if ((status = ntohl(*p++))) + return -nfs_stat_to_errno(status); + + res->tsize = ntohl(*p++); + res->bsize = ntohl(*p++); + res->blocks = ntohl(*p++); + res->bfree = ntohl(*p++); + res->bavail = ntohl(*p++); + return 0; +} + +/* + * We need to translate between nfs status return values and + * the local errno values which may not be the same. + */ +static struct { + int stat; + int errno; +} nfs_errtbl[] = { + { NFS_OK, 0 }, + { NFSERR_PERM, EPERM }, + { NFSERR_NOENT, ENOENT }, + { NFSERR_IO, errno_NFSERR_IO }, + { NFSERR_NXIO, ENXIO }, +/* { NFSERR_EAGAIN, EAGAIN }, */ + { NFSERR_ACCES, EACCES }, + { NFSERR_EXIST, EEXIST }, + { NFSERR_XDEV, EXDEV }, + { NFSERR_NODEV, ENODEV }, + { NFSERR_NOTDIR, ENOTDIR }, + { NFSERR_ISDIR, EISDIR }, + { NFSERR_INVAL, EINVAL }, + { NFSERR_FBIG, EFBIG }, + { NFSERR_NOSPC, ENOSPC }, + { NFSERR_ROFS, EROFS }, + { NFSERR_MLINK, EMLINK }, + { NFSERR_NAMETOOLONG, ENAMETOOLONG }, + { NFSERR_NOTEMPTY, ENOTEMPTY }, + { NFSERR_DQUOT, EDQUOT }, + { NFSERR_STALE, ESTALE }, + { NFSERR_REMOTE, EREMOTE }, +#ifdef EWFLUSH + { NFSERR_WFLUSH, EWFLUSH }, +#endif + { NFSERR_BADHANDLE, EBADHANDLE }, + { NFSERR_NOT_SYNC, ENOTSYNC }, + { NFSERR_BAD_COOKIE, EBADCOOKIE }, + { NFSERR_NOTSUPP, ENOTSUPP }, + { NFSERR_TOOSMALL, ETOOSMALL }, + { NFSERR_SERVERFAULT, ESERVERFAULT }, + { NFSERR_BADTYPE, EBADTYPE }, + { NFSERR_JUKEBOX, EJUKEBOX }, + { -1, EIO } +}; + +/* + * Convert an NFS error code to a local one. + * This one is used jointly by NFSv2 and NFSv3. + */ +int +nfs_stat_to_errno(int stat) +{ + int i; + + for (i = 0; nfs_errtbl[i].stat != -1; i++) { + if (nfs_errtbl[i].stat == stat) + return nfs_errtbl[i].errno; + } + printk(KERN_ERR "nfs_stat_to_errno: bad nfs status return value: %d\n", stat); + return nfs_errtbl[i].errno; +} + +#ifndef MAX +# define MAX(a, b) (((a) > (b))? (a) : (b)) +#endif + +#define PROC(proc, argtype, restype, timer) \ +[NFSPROC_##proc] = { \ + .p_proc = NFSPROC_##proc, \ + .p_encode = (kxdrproc_t) nfs_xdr_##argtype, \ + .p_decode = (kxdrproc_t) nfs_xdr_##restype, \ + .p_bufsiz = MAX(NFS_##argtype##_sz,NFS_##restype##_sz) << 2, \ + .p_timer = timer \ + } +struct rpc_procinfo nfs_procedures[] = { + PROC(GETATTR, fhandle, attrstat, 1), + PROC(SETATTR, sattrargs, attrstat, 0), + PROC(LOOKUP, diropargs, diropres, 2), + PROC(READLINK, readlinkargs, readlinkres, 3), + PROC(READ, readargs, readres, 3), + PROC(WRITE, writeargs, writeres, 4), + PROC(CREATE, createargs, diropres, 0), + PROC(REMOVE, diropargs, stat, 0), + PROC(RENAME, renameargs, stat, 0), + PROC(LINK, linkargs, stat, 0), + PROC(SYMLINK, symlinkargs, stat, 0), + PROC(MKDIR, createargs, diropres, 0), + PROC(RMDIR, diropargs, stat, 0), + PROC(READDIR, readdirargs, readdirres, 3), + PROC(STATFS, fhandle, statfsres, 0), +}; + +struct rpc_version nfs_version2 = { + .number = 2, + .nrprocs = sizeof(nfs_procedures)/sizeof(nfs_procedures[0]), + .procs = nfs_procedures +}; |
