NFS_IOHDR_ERROR
!test_bit(NFS_IOHDR_ERROR, &hdr->flags)) {
if (!(test_bit(NFS_IOHDR_ERROR, &hdr->flags) ||
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags) && !dreq->error)
if (!test_and_set_bit(NFS_IOHDR_ERROR, &hdr->flags))
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags)) {
clear_bit(NFS_IOHDR_ERROR, &hdr->flags);
if (test_bit(NFS_IOHDR_ERROR, &hdr->flags) &&