static __be32 *
encode_fattr3(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
struct kstat *stat)
{
struct timespec ts;
*p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
*p++ = htonl((u32) (stat->mode & S_IALLUGO));
*p++ = htonl((u32) stat->nlink);
*p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
*p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
p = xdr_encode_hyper(p, (u64) stat->size);
}
p = xdr_encode_hyper(p, ((u64)stat->blocks) << 9);
*p++ = htonl((u32) MAJOR(stat->rdev));
*p++ = htonl((u32) MINOR(stat->rdev));
p = encode_fsid(p, fhp);
p = xdr_encode_hyper(p, stat->ino);
ts = timespec64_to_timespec(stat->atime);
p = encode_time3(p, &ts);
ts = timespec64_to_timespec(stat->mtime);
p = encode_time3(p, &ts);
ts = timespec64_to_timespec(stat->ctime);
p = encode_time3(p, &ts);
return p;
}
static int gssx_enc_cb(struct xdr_stream *xdr, struct gssx_cb *cb)
{
__be32 *p;
int err;
/* cb->initiator_addrtype */
p = xdr_reserve_space(xdr, 8);
if (!p)
return -ENOSPC;
p = xdr_encode_hyper(p, cb->initiator_addrtype);
/* cb->initiator_address */
err = gssx_enc_buffer(xdr, &cb->initiator_address);
if (err)
return err;
/* cb->acceptor_addrtype */
p = xdr_reserve_space(xdr, 8);
if (!p)
return -ENOSPC;
p = xdr_encode_hyper(p, cb->acceptor_addrtype);
/* cb->acceptor_address */
err = gssx_enc_buffer(xdr, &cb->acceptor_address);
if (err)
return err;
/* cb->application_data */
err = gssx_enc_buffer(xdr, &cb->application_data);
return err;
}
/*
* Encode a lock as part of an NLM call
*/
static __be32 *
nlm4_encode_lock(__be32 *p, struct nlm_lock *lock)
{
struct file_lock *fl = &lock->fl;
__s64 start, len;
if (!(p = xdr_encode_string(p, lock->caller))
|| !(p = nlm4_encode_fh(p, &lock->fh))
|| !(p = nlm4_encode_oh(p, &lock->oh)))
return NULL;
if (fl->fl_start > NLM4_OFFSET_MAX
|| (fl->fl_end > NLM4_OFFSET_MAX && fl->fl_end != OFFSET_MAX))
return NULL;
*p++ = htonl(lock->svid);
start = loff_t_to_s64(fl->fl_start);
if (fl->fl_end == OFFSET_MAX)
len = 0;
else
len = loff_t_to_s64(fl->fl_end - fl->fl_start + 1);
p = xdr_encode_hyper(p, start);
p = xdr_encode_hyper(p, len);
return p;
}
static void
nfs4_setup_readdir(struct nfs4_compound *cp, u64 cookie, u32 *verifier,
struct page **pages, unsigned int bufsize, struct dentry *dentry)
{
u32 *start, *p;
struct nfs4_readdir *readdir = GET_OP(cp, readdir);
BUG_ON(bufsize < 80);
readdir->rd_cookie = (cookie > 2) ? cookie : 0;
memcpy(&readdir->rd_req_verifier, verifier, sizeof(readdir->rd_req_verifier));
readdir->rd_count = bufsize;
readdir->rd_bmval[0] = FATTR4_WORD0_FILEID;
readdir->rd_bmval[1] = 0;
readdir->rd_pages = pages;
readdir->rd_pgbase = 0;
OPNUM(cp) = OP_READDIR;
cp->req_nops++;
if (cookie >= 2)
return;
/*
* NFSv4 servers do not return entries for '.' and '..'
* Therefore, we fake these entries here. We let '.'
* have cookie 0 and '..' have cookie 1. Note that
* when talking to the server, we always send cookie 0
* instead of 1 or 2.
*/
start = p = (u32 *)kmap_atomic(*pages, KM_USER0);
if (cookie == 0) {
*p++ = xdr_one; /* next */
*p++ = xdr_zero; /* cookie, first word */
*p++ = xdr_one; /* cookie, second word */
*p++ = xdr_one; /* entry len */
memcpy(p, ".\0\0\0", 4); /* entry */
p++;
*p++ = xdr_one; /* bitmap length */
*p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */
*p++ = htonl(8); /* attribute buffer length */
p = xdr_encode_hyper(p, NFS_FILEID(dentry->d_inode));
}
*p++ = xdr_one; /* next */
*p++ = xdr_zero; /* cookie, first word */
*p++ = xdr_two; /* cookie, second word */
*p++ = xdr_two; /* entry len */
memcpy(p, "..\0\0", 4); /* entry */
p++;
*p++ = xdr_one; /* bitmap length */
*p++ = htonl(FATTR4_WORD0_FILEID); /* bitmap */
*p++ = htonl(8); /* attribute buffer length */
p = xdr_encode_hyper(p, NFS_FILEID(dentry->d_parent->d_inode));
readdir->rd_pgbase = (char *)p - (char *)start;
readdir->rd_count -= readdir->rd_pgbase;
kunmap_atomic(start, KM_USER0);
}
void pnfs_osd_xdr_encode_ioerr(__be32 *p, struct pnfs_osd_ioerr *ioerr)
{
p = pnfs_osd_xdr_encode_objid(p, &ioerr->oer_component);
p = xdr_encode_hyper(p, ioerr->oer_comp_offset);
p = xdr_encode_hyper(p, ioerr->oer_comp_length);
*p++ = cpu_to_be32(ioerr->oer_iswrite);
*p = cpu_to_be32(ioerr->oer_errno);
}
static inline __be32 *
pnfs_osd_xdr_encode_objid(__be32 *p, struct pnfs_osd_objid *object_id)
{
p = xdr_encode_opaque_fixed(p, &object_id->oid_device_id.data,
sizeof(object_id->oid_device_id.data));
p = xdr_encode_hyper(p, object_id->oid_partition_id);
p = xdr_encode_hyper(p, object_id->oid_object_id);
return p;
}
static __be32 *
encode_entry_baggage(struct nfsd3_readdirres *cd, __be32 *p, const char *name,
int namlen, u64 ino)
{
*p++ = xdr_one; /* mark entry present */
p = xdr_encode_hyper(p, ino); /* file id */
p = xdr_encode_array(p, name, namlen);/* name length & name */
cd->offset = p; /* remember pointer */
p = xdr_encode_hyper(p, NFS_OFFSET_MAX);/* offset of next entry */
return p;
}
static void encode_clone(struct xdr_stream *xdr,
struct nfs42_clone_args *args,
struct compound_hdr *hdr)
{
__be32 *p;
encode_op_hdr(xdr, OP_CLONE, decode_clone_maxsz, hdr);
encode_nfs4_stateid(xdr, &args->src_stateid);
encode_nfs4_stateid(xdr, &args->dst_stateid);
p = reserve_space(xdr, 3*8);
p = xdr_encode_hyper(p, args->src_offset);
p = xdr_encode_hyper(p, args->dst_offset);
xdr_encode_hyper(p, args->count);
}
/*
* struct nlm4_holder {
* bool exclusive;
* int32 svid;
* netobj oh;
* uint64 l_offset;
* uint64 l_len;
* };
*/
static void encode_nlm4_holder(struct xdr_stream *xdr,
const struct nlm_res *result)
{
const struct nlm_lock *lock = &result->lock;
u64 l_offset, l_len;
__be32 *p;
encode_bool(xdr, lock->fl.fl_type == F_RDLCK);
encode_int32(xdr, lock->svid);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
p = xdr_reserve_space(xdr, 4 + 4);
nlm4_compute_offsets(lock, &l_offset, &l_len);
p = xdr_encode_hyper(p, l_offset);
xdr_encode_hyper(p, l_len);
}
static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
{
u32 nbytes;
__be32 *p;
nbytes = 6 * 4;
if (attr->ia_valid & ATTR_MODE)
nbytes += 4;
if (attr->ia_valid & ATTR_UID)
nbytes += 4;
if (attr->ia_valid & ATTR_GID)
nbytes += 4;
if (attr->ia_valid & ATTR_SIZE)
nbytes += 8;
if (attr->ia_valid & ATTR_ATIME_SET)
nbytes += 8;
if (attr->ia_valid & ATTR_MTIME_SET)
nbytes += 8;
p = xdr_reserve_space(xdr, nbytes);
if (attr->ia_valid & ATTR_MODE) {
*p++ = xdr_one;
*p++ = cpu_to_be32(attr->ia_mode & S_IALLUGO);
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_UID) {
*p++ = xdr_one;
*p++ = cpu_to_be32(attr->ia_uid);
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_GID) {
*p++ = xdr_one;
*p++ = cpu_to_be32(attr->ia_gid);
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_SIZE) {
*p++ = xdr_one;
p = xdr_encode_hyper(p, (u64)attr->ia_size);
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_ATIME_SET) {
*p++ = xdr_two;
p = xdr_encode_nfstime3(p, &attr->ia_atime);
} else if (attr->ia_valid & ATTR_ATIME) {
*p++ = xdr_one;
} else
*p++ = xdr_zero;
if (attr->ia_valid & ATTR_MTIME_SET) {
*p++ = xdr_two;
xdr_encode_nfstime3(p, &attr->ia_mtime);
} else if (attr->ia_valid & ATTR_MTIME) {
*p = xdr_one;
} else
*p = xdr_zero;
}
/*
* struct nlm4_lock {
* string caller_name<LM_MAXSTRLEN>;
* netobj fh;
* netobj oh;
* int32 svid;
* uint64 l_offset;
* uint64 l_len;
* };
*/
static void encode_nlm4_lock(struct xdr_stream *xdr,
const struct nlm_lock *lock)
{
u64 l_offset, l_len;
__be32 *p;
encode_caller_name(xdr, lock->caller);
encode_fh(xdr, &lock->fh);
encode_netobj(xdr, lock->oh.data, lock->oh.len);
p = xdr_reserve_space(xdr, 4 + 8 + 8);
*p++ = cpu_to_be32(lock->svid);
nlm4_compute_offsets(lock, &l_offset, &l_len);
p = xdr_encode_hyper(p, l_offset);
xdr_encode_hyper(p, l_len);
}
static inline u32 *
encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
struct inode *inode = fhp->fh_dentry->d_inode;
*p++ = htonl(nfs3_ftypes[(inode->i_mode & S_IFMT) >> 12]);
*p++ = htonl((u32) inode->i_mode);
*p++ = htonl((u32) inode->i_nlink);
*p++ = htonl((u32) nfsd_ruid(rqstp, inode->i_uid));
*p++ = htonl((u32) nfsd_rgid(rqstp, inode->i_gid));
if (S_ISLNK(inode->i_mode) && inode->i_size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
p = xdr_encode_hyper(p, (u64) inode->i_size);
}
if (inode->i_blksize == 0 && inode->i_blocks == 0)
/* Minix file system(?) i_size is (hopefully) close enough */
p = xdr_encode_hyper(p, (u64)(inode->i_size +511)& ~511);
else
p = xdr_encode_hyper(p, ((u64)inode->i_blocks) << 9);
*p++ = htonl((u32) MAJOR(inode->i_rdev));
*p++ = htonl((u32) MINOR(inode->i_rdev));
if (rqstp->rq_reffh->fh_version == 1
&& rqstp->rq_reffh->fh_fsid_type == 1
&& (fhp->fh_export->ex_flags & NFSEXP_FSID))
p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
else
p = xdr_encode_hyper(p, (u64) inode->i_dev);
p = xdr_encode_hyper(p, (u64) inode->i_ino);
p = encode_time3(p, inode->i_atime);
p = encode_time3(p, lease_get_mtime(inode));
p = encode_time3(p, inode->i_ctime);
return p;
}
void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *ary,
int chunk_no,
u32 rs_handle, u64 rs_offset,
u32 write_len)
{
struct rpcrdma_segment *seg = &ary->wc_array[chunk_no].wc_target;
seg->rs_handle = htonl(rs_handle);
seg->rs_length = htonl(write_len);
xdr_encode_hyper((u32 *) &seg->rs_offset, rs_offset);
}
static __be32 *encode_fsid(__be32 *p, struct svc_fh *fhp)
{
u64 f;
switch(fsid_source(fhp)) {
default:
case FSIDSOURCE_DEV:
p = xdr_encode_hyper(p, (u64)huge_encode_dev
(fhp->fh_dentry->d_inode->i_sb->s_dev));
break;
case FSIDSOURCE_FSID:
p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
break;
case FSIDSOURCE_UUID:
f = ((u64*)fhp->fh_export->ex_uuid)[0];
f ^= ((u64*)fhp->fh_export->ex_uuid)[1];
p = xdr_encode_hyper(p, f);
break;
}
return p;
}
static void encode_commit3args(struct xdr_stream *xdr,
const struct nfs_writeargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + 4);
p = xdr_encode_hyper(p, args->offset);
*p = cpu_to_be32(args->count);
}
static __be32 encode_attr_time(struct xdr_stream *xdr, const struct timespec *time)
{
__be32 *p;
p = xdr_reserve_space(xdr, 12);
if (unlikely(!p))
return htonl(NFS4ERR_RESOURCE);
p = xdr_encode_hyper(p, time->tv_sec);
*p = htonl(time->tv_nsec);
return 0;
}
static unsigned encode_attr_time(struct xdr_stream *xdr, const struct timespec *time)
{
uint32_t *p;
p = xdr_reserve_space(xdr, 12);
if (unlikely(p == 0))
return htonl(NFS4ERR_RESOURCE);
p = xdr_encode_hyper(p, time->tv_sec);
*p = htonl(time->tv_nsec);
return 0;
}
static unsigned encode_attr_size(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t size)
{
uint32_t *p;
if (!(bitmap[0] & FATTR4_WORD0_SIZE))
return 0;
p = xdr_reserve_space(xdr, 8);
if (unlikely(p == 0))
return htonl(NFS4ERR_RESOURCE);
p = xdr_encode_hyper(p, size);
return 0;
}
static __be32 encode_attr_change(struct xdr_stream *xdr, const uint32_t *bitmap, uint64_t change)
{
__be32 *p;
if (!(bitmap[0] & FATTR4_WORD0_CHANGE))
return 0;
p = xdr_reserve_space(xdr, 8);
if (unlikely(p == 0))
return htonl(NFS4ERR_RESOURCE);
p = xdr_encode_hyper(p, change);
return 0;
}
static void encode_layoutstats(struct xdr_stream *xdr,
struct nfs42_layoutstat_args *args,
struct nfs42_layoutstat_devinfo *devinfo,
struct compound_hdr *hdr)
{
__be32 *p;
encode_op_hdr(xdr, OP_LAYOUTSTATS, decode_layoutstats_maxsz, hdr);
p = reserve_space(xdr, 8 + 8);
p = xdr_encode_hyper(p, devinfo->offset);
p = xdr_encode_hyper(p, devinfo->length);
encode_nfs4_stateid(xdr, &args->stateid);
p = reserve_space(xdr, 4*8 + NFS4_DEVICEID4_SIZE + 4);
p = xdr_encode_hyper(p, devinfo->read_count);
p = xdr_encode_hyper(p, devinfo->read_bytes);
p = xdr_encode_hyper(p, devinfo->write_count);
p = xdr_encode_hyper(p, devinfo->write_bytes);
p = xdr_encode_opaque_fixed(p, devinfo->dev_id.data,
NFS4_DEVICEID4_SIZE);
/* Encode layoutupdate4 */
*p++ = cpu_to_be32(devinfo->layout_type);
if (devinfo->layoutstats_encode != NULL)
devinfo->layoutstats_encode(xdr, args, devinfo);
else
encode_uint32(xdr, 0);
}
static inline u32 *
encode_saved_post_attr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
struct inode *inode = fhp->fh_dentry->d_inode;
/* Attributes to follow */
*p++ = xdr_one;
*p++ = htonl(nfs3_ftypes[(fhp->fh_post_mode & S_IFMT) >> 12]);
*p++ = htonl((u32) fhp->fh_post_mode);
*p++ = htonl((u32) fhp->fh_post_nlink);
*p++ = htonl((u32) nfsd_ruid(rqstp, fhp->fh_post_uid));
*p++ = htonl((u32) nfsd_rgid(rqstp, fhp->fh_post_gid));
if (S_ISLNK(fhp->fh_post_mode) && fhp->fh_post_size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {
p = xdr_encode_hyper(p, (u64) fhp->fh_post_size);
}
p = xdr_encode_hyper(p, ((u64)fhp->fh_post_blocks) << 9);
*p++ = htonl((u32) MAJOR(fhp->fh_post_rdev));
*p++ = htonl((u32) MINOR(fhp->fh_post_rdev));
if (rqstp->rq_reffh->fh_version == 1
&& rqstp->rq_reffh->fh_fsid_type == 1
&& (fhp->fh_export->ex_flags & NFSEXP_FSID))
p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
else
p = xdr_encode_hyper(p, (u64) inode->i_dev);
p = xdr_encode_hyper(p, (u64) inode->i_ino);
p = encode_time3(p, fhp->fh_post_atime);
p = encode_time3(p, fhp->fh_post_mtime);
p = encode_time3(p, fhp->fh_post_ctime);
return p;
}
static void encode_write3args(struct xdr_stream *xdr,
const struct nfs_writeargs *args)
{
__be32 *p;
encode_nfs_fh3(xdr, args->fh);
p = xdr_reserve_space(xdr, 8 + 4 + 4 + 4);
p = xdr_encode_hyper(p, args->offset);
*p++ = cpu_to_be32(args->count);
*p++ = cpu_to_be32(args->stable);
*p = cpu_to_be32(args->count);
xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
}
/*
* Encode result of a TEST/TEST_MSG call
*/
static __be32 *
nlm4_encode_testres(__be32 *p, struct nlm_res *resp)
{
s64 start, len;
dprintk("xdr: before encode_testres (p %p resp %p)\n", p, resp);
if (!(p = nlm4_encode_cookie(p, &resp->cookie)))
return NULL;
*p++ = resp->status;
if (resp->status == nlm_lck_denied) {
struct file_lock *fl = &resp->lock.fl;
*p++ = (fl->fl_type == F_RDLCK)? xdr_zero : xdr_one;
*p++ = htonl(resp->lock.svid);
/* Encode owner handle. */
if (!(p = xdr_encode_netobj(p, &resp->lock.oh)))
return NULL;
start = loff_t_to_s64(fl->fl_start);
if (fl->fl_end == OFFSET_MAX)
len = 0;
else
len = loff_t_to_s64(fl->fl_end - fl->fl_start + 1);
p = xdr_encode_hyper(p, start);
p = xdr_encode_hyper(p, len);
dprintk("xdr: encode_testres (status %u pid %d type %d start %Ld end %Ld)\n",
resp->status, (int)resp->lock.svid, fl->fl_type,
(long long)fl->fl_start, (long long)fl->fl_end);
}
dprintk("xdr: after encode_testres (p %p resp %p)\n", p, resp);
return p;
}
int
pnfs_osd_xdr_encode_layoutupdate(struct xdr_stream *xdr,
struct pnfs_osd_layoutupdate *lou)
{
__be32 *p = xdr_reserve_space(xdr, 4 + 8 + 4);
if (!p)
return -E2BIG;
*p++ = cpu_to_be32(lou->dsu_valid);
if (lou->dsu_valid)
p = xdr_encode_hyper(p, lou->dsu_delta);
*p++ = cpu_to_be32(lou->olu_ioerr_flag);
return 0;
}
/*
* 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_task->tk_msg.rpc_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);
}
/*
* Write arguments. Splice the buffer to be written into the iovec.
*/
static int
nfs3_xdr_writeargs(struct rpc_rqst *req, u32 *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);
return 0;
}
static inline __be32 *
xdr_encode_sattr(__be32 *p, struct iattr *attr)
{
if (attr->ia_valid & ATTR_MODE) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_mode & S_IALLUGO);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_UID) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_uid);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_GID) {
*p++ = xdr_one;
*p++ = htonl(attr->ia_gid);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_SIZE) {
*p++ = xdr_one;
p = xdr_encode_hyper(p, (__u64) attr->ia_size);
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_ATIME_SET) {
*p++ = xdr_two;
p = xdr_encode_time3(p, &attr->ia_atime);
} else if (attr->ia_valid & ATTR_ATIME) {
*p++ = xdr_one;
} else {
*p++ = xdr_zero;
}
if (attr->ia_valid & ATTR_MTIME_SET) {
*p++ = xdr_two;
p = xdr_encode_time3(p, &attr->ia_mtime);
} else if (attr->ia_valid & ATTR_MTIME) {
*p++ = xdr_one;
} else {
*p++ = xdr_zero;
}
return 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, u32 *p, struct nfs_readargs *args)
{
struct rpc_auth *auth = req->rq_task->tk_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);
return 0;
}
/*
* Enocde weak cache consistency data
*/
static u32 *
encode_wcc_data(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
{
struct dentry *dentry = fhp->fh_dentry;
if (dentry && dentry->d_inode && fhp->fh_post_saved) {
if (fhp->fh_pre_saved) {
*p++ = xdr_one;
p = xdr_encode_hyper(p, (u64) fhp->fh_pre_size);
p = encode_time3(p, fhp->fh_pre_mtime);
p = encode_time3(p, fhp->fh_pre_ctime);
} else {
*p++ = xdr_zero;
}
return encode_saved_post_attr(rqstp, p, fhp);
}
/* no pre- or post-attrs */
*p++ = xdr_zero;
return encode_post_op_attr(rqstp, p, fhp);
}
/* FSINFO */
int
nfs3svc_encode_fsinfores(struct svc_rqst *rqstp, u32 *p,
struct nfsd3_fsinfores *resp)
{
*p++ = xdr_zero; /* no post_op_attr */
if (resp->status == 0) {
*p++ = htonl(resp->f_rtmax);
*p++ = htonl(resp->f_rtpref);
*p++ = htonl(resp->f_rtmult);
*p++ = htonl(resp->f_wtmax);
*p++ = htonl(resp->f_wtpref);
*p++ = htonl(resp->f_wtmult);
*p++ = htonl(resp->f_dtpref);
p = xdr_encode_hyper(p, resp->f_maxfilesize);
*p++ = xdr_one;
*p++ = xdr_zero;
*p++ = htonl(resp->f_properties);
}
return xdr_ressize_check(rqstp, p);
}
