}
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;
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;
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);
}