}
static inline u32 *
-encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
+encode_fattr3(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp,
+ struct kstat *stat)
{
- struct vfsmount *mnt = fhp->fh_export->ex_mnt;
struct dentry *dentry = fhp->fh_dentry;
- struct kstat stat;
struct timespec time;
- vfs_getattr(mnt, dentry, &stat);
-
- *p++ = htonl(nfs3_ftypes[(stat.mode & S_IFMT) >> 12]);
- *p++ = htonl((u32) stat.mode);
- *p++ = htonl((u32) stat.nlink);
- *p++ = htonl((u32) nfsd_ruid(rqstp, stat.uid));
- *p++ = htonl((u32) nfsd_rgid(rqstp, stat.gid));
- if (S_ISLNK(stat.mode) && stat.size > NFS3_MAXPATHLEN) {
+ *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+ *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+ *p++ = htonl((u32) nfsd_rgid(rqstp, 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->size);
}
- p = xdr_encode_hyper(p, ((u64)stat.blocks) << 9);
- *p++ = htonl((u32) MAJOR(stat.rdev));
- *p++ = htonl((u32) MINOR(stat.rdev));
+ p = xdr_encode_hyper(p, ((u64)stat->blocks) << 9);
+ *p++ = htonl((u32) MAJOR(stat->rdev));
+ *p++ = htonl((u32) MINOR(stat->rdev));
if (is_fsid(fhp, rqstp->rq_reffh))
p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
else
- p = xdr_encode_hyper(p, (u64) huge_encode_dev(stat.dev));
- p = xdr_encode_hyper(p, (u64) stat.ino);
- p = encode_time3(p, &stat.atime);
+ p = xdr_encode_hyper(p, (u64) huge_encode_dev(stat->dev));
+ p = xdr_encode_hyper(p, (u64) stat->ino);
+ p = encode_time3(p, &stat->atime);
lease_get_mtime(dentry->d_inode, &time);
p = encode_time3(p, &time);
- p = encode_time3(p, &stat.ctime);
+ p = encode_time3(p, &stat->ctime);
return p;
}
{
struct dentry *dentry = fhp->fh_dentry;
if (dentry && dentry->d_inode != NULL) {
- *p++ = xdr_one; /* attributes follow */
- return encode_fattr3(rqstp, p, fhp);
+ int err;
+ struct kstat stat;
+
+ err = vfs_getattr(fhp->fh_export->ex_mnt, dentry, &stat);
+ if (!err) {
+ *p++ = xdr_one; /* attributes follow */
+ return encode_fattr3(rqstp, p, fhp, &stat);
+ }
}
*p++ = xdr_zero;
return p;
{
unsigned int len;
int v,pn;
+ u32 max_blocksize = svc_max_payload(rqstp);
if (!(p = decode_fh(p, &args->fh))
|| !(p = xdr_decode_hyper(p, &args->offset)))
len = args->count = ntohl(*p++);
- if (len > NFSSVC_MAXBLKSIZE)
- len = NFSSVC_MAXBLKSIZE;
+ if (len > max_blocksize)
+ len = max_blocksize;
/* set up the kvec */
v=0;
while (len > 0) {
- pn = rqstp->rq_resused;
- svc_take_page(rqstp);
- args->vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
- args->vec[v].iov_len = len < PAGE_SIZE? len : PAGE_SIZE;
- len -= args->vec[v].iov_len;
+ pn = rqstp->rq_resused++;
+ rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
+ rqstp->rq_vec[v].iov_len = len < PAGE_SIZE? len : PAGE_SIZE;
+ len -= rqstp->rq_vec[v].iov_len;
v++;
}
args->vlen = v;
struct nfsd3_writeargs *args)
{
unsigned int len, v, hdr;
+ u32 max_blocksize = svc_max_payload(rqstp);
if (!(p = decode_fh(p, &args->fh))
|| !(p = xdr_decode_hyper(p, &args->offset)))
len = args->len = ntohl(*p++);
hdr = (void*)p - rqstp->rq_arg.head[0].iov_base;
- if (rqstp->rq_arg.len < len + hdr)
+ if (rqstp->rq_arg.len < hdr ||
+ rqstp->rq_arg.len - hdr < len)
return 0;
- args->vec[0].iov_base = (void*)p;
- args->vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr;
+ rqstp->rq_vec[0].iov_base = (void*)p;
+ rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr;
- if (len > NFSSVC_MAXBLKSIZE)
- len = NFSSVC_MAXBLKSIZE;
+ if (len > max_blocksize)
+ len = max_blocksize;
v= 0;
- while (len > args->vec[v].iov_len) {
- len -= args->vec[v].iov_len;
+ while (len > rqstp->rq_vec[v].iov_len) {
+ len -= rqstp->rq_vec[v].iov_len;
v++;
- args->vec[v].iov_base = page_address(rqstp->rq_argpages[v]);
- args->vec[v].iov_len = PAGE_SIZE;
+ rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]);
+ rqstp->rq_vec[v].iov_len = PAGE_SIZE;
}
- args->vec[v].iov_len = len;
+ rqstp->rq_vec[v].iov_len = len;
args->vlen = v+1;
- return args->count == args->len && args->vec[0].iov_len > 0;
+ return args->count == args->len && rqstp->rq_vec[0].iov_len > 0;
}
int
* This page appears in the rq_res.pages list, but as pages_len is always
* 0, it won't get in the way
*/
- svc_take_page(rqstp);
len = ntohl(*p++);
if (len == 0 || len > NFS3_MAXPATHLEN || len >= PAGE_SIZE)
return 0;
- args->tname = new = page_address(rqstp->rq_respages[rqstp->rq_resused-1]);
+ args->tname = new =
+ page_address(rqstp->rq_respages[rqstp->rq_resused++]);
args->tlen = len;
/* first copy and check from the first page */
old = (char*)p;
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
- svc_take_page(rqstp);
- args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused-1]);
+ args->buffer =
+ page_address(rqstp->rq_respages[rqstp->rq_resused++]);
return xdr_argsize_check(rqstp, p);
}
if (args->count > PAGE_SIZE)
args->count = PAGE_SIZE;
- svc_take_page(rqstp);
- args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused-1]);
+ args->buffer =
+ page_address(rqstp->rq_respages[rqstp->rq_resused++]);
return xdr_argsize_check(rqstp, p);
}
struct nfsd3_readdirargs *args)
{
int len, pn;
+ u32 max_blocksize = svc_max_payload(rqstp);
if (!(p = decode_fh(p, &args->fh)))
return 0;
args->dircount = ntohl(*p++);
args->count = ntohl(*p++);
- len = (args->count > NFSSVC_MAXBLKSIZE) ? NFSSVC_MAXBLKSIZE :
+ len = (args->count > max_blocksize) ? max_blocksize :
args->count;
args->count = len;
while (len > 0) {
- pn = rqstp->rq_resused;
- svc_take_page(rqstp);
+ pn = rqstp->rq_resused++;
if (!args->buffer)
args->buffer = page_address(rqstp->rq_respages[pn]);
len -= PAGE_SIZE;
struct nfsd3_attrstat *resp)
{
if (resp->status == 0)
- p = encode_fattr3(rqstp, p, &resp->fh);
+ p = encode_fattr3(rqstp, p, &resp->fh, &resp->stat);
return xdr_ressize_check(rqstp, p);
}
rqstp->rq_res.page_len = resp->len;
if (resp->len & 3) {
/* need to pad the tail */
- rqstp->rq_restailpage = 0;
rqstp->rq_res.tail[0].iov_base = p;
*p = 0;
rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3);
rqstp->rq_res.page_len = resp->count;
if (resp->count & 3) {
/* need to pad the tail */
- rqstp->rq_restailpage = 0;
rqstp->rq_res.tail[0].iov_base = p;
*p = 0;
rqstp->rq_res.tail[0].iov_len = 4 - (resp->count & 3);
rqstp->rq_res.page_len = (resp->count) << 2;
/* add the 'tail' to the end of the 'head' page - page 0. */
- rqstp->rq_restailpage = 0;
rqstp->rq_res.tail[0].iov_base = p;
*p++ = 0; /* no more entries */
*p++ = htonl(resp->common.err == nfserr_eof);
projects / linux-2.6 / blobdiff