[PATCH] knfsd: Avoid excess stack usage in svc_tcp_recvfrom
[linux-3.10.git] / fs / nfsd / nfsproc.c
index 06cd0db..ca49731 100644 (file)
@@ -159,7 +159,7 @@ nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
        resp->count = argp->count;
        nfserr = nfsd_read(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
                                  argp->offset,
-                                 argp->vec, argp->vlen,
+                                 rqstp->rq_vec, argp->vlen,
                                  &resp->count);
 
        if (nfserr) return nfserr;
@@ -185,7 +185,7 @@ nfsd_proc_write(struct svc_rqst *rqstp, struct nfsd_writeargs *argp,
 
        nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
                                   argp->offset,
-                                  argp->vec, argp->vlen,
+                                  rqstp->rq_vec, argp->vlen,
                                   argp->len,
                                   &stable);
        return nfsd_return_attrs(nfserr, resp);
@@ -225,7 +225,7 @@ nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
        nfserr = nfserr_exist;
        if (isdotent(argp->name, argp->len))
                goto done;
-       fh_lock(dirfhp);
+       fh_lock_nested(dirfhp, I_MUTEX_PARENT);
        dchild = lookup_one_len(argp->name, dirfhp->fh_dentry, argp->len);
        if (IS_ERR(dchild)) {
                nfserr = nfserrno(PTR_ERR(dchild));