nfsd_wait_for_delegreturn
!nfsd_wait_for_delegreturn(rqstp, inode))
!nfsd_wait_for_delegreturn(rqstp, inode))
bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp, struct inode *inode);
if (!nfsd_wait_for_delegreturn(rqstp, d_inode(rd.old_dentry)))
if (!nfsd_wait_for_delegreturn(rqstp, rinode))
if (!nfsd_wait_for_delegreturn(rqstp, inode))