Commits
Konstantin Khlebnikov authored and Pavel Emelyanov committed 0c295ff25ec
cfq link cfq_bc_data without bc io sched Fixes oops at first IO with CONFIG_BC_IO_SCHED=n. The cfq_set_request wants to get ub by cfqq->cfq_bc->ub_iopriv, so save ref to ub0 there. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@openvz.org>