IOBL_BUF_RING
if (bl && !(bl->flags & IOBL_BUF_RING)) {
if (bl->flags & IOBL_BUF_RING)
if (sel->buf_list->flags & IOBL_BUF_RING) {
if (bl->flags & IOBL_BUF_RING) {
WARN_ON_ONCE(bl->flags & IOBL_BUF_RING);
if (bl->flags & IOBL_BUF_RING)
if (bl->flags & IOBL_BUF_RING)
if (bl->flags & IOBL_BUF_RING || !list_empty(&bl->buf_list))
bl->flags |= IOBL_BUF_RING;
if (!(bl->flags & IOBL_BUF_RING))
if (!(bl->flags & IOBL_BUF_RING))
if (!bl || !(bl->flags & IOBL_BUF_RING))