Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > Can you humor me, and try if just removing that skip count thing > instead? IOW, this attached patch? That works too. > Because that whole "let's stop writing if we need to reschedule" sounds > truly odd (we have a cond_resched(), although it's per folio batch, not > per-folio), and the skip count logic doesn't make much sense to me either. The skip thing, in my code, is only used in WB_SYNC_NONE mode. If we hit 5 things in progress or rescheduling is required, we return to the caller on the basis that conflicting flushes appear to be happening in other threads. David