[Devel] [RFC PATCH vz9 v6 47/62] dm-ploop: disable metadata writeback delay

[Pavel Tikhomirov]

Should not we bring back the ploop_cluster_is_in_top_delta hunk too? As 
this patch looks like a revert to "[RFC PATCH vz9 v6 23/62] dm-ploop: 
make new allocations immediately visible in BAT".

On 12/6/24 05:56, Alexander Atanasov wrote:
> diff --git a/drivers/md/dm-ploop-map.c b/drivers/md/dm-ploop-map.c
> index c88359677ea4..6e4d6f862135 100644
> --- a/drivers/md/dm-ploop-map.c
> +++ b/drivers/md/dm-ploop-map.c
> @@ -817,9 +817,10 @@ static void ploop_advance_local_after_bat_wb(struct ploop *ploop,
>   	/* holes bit map requires bat_lock */
>   	spin_lock_irqsave(&ploop->bat_lock, flags);
>   	spin_lock(&md->md_lock);
> +#ifdef PLOOP_DELAYWB
>   	if (piwb->type == PIWB_TYPE_ALLOC)
>   		goto skip_apply;
> -
> +#endif
>   	for (; i < last; i++) {
>   		if (piwb->type == PIWB_TYPE_DISCARD) {
>   			ploop_piwb_discard_completed(ploop, success, i + off, dst_clu[i]);
> @@ -836,7 +837,9 @@ static void ploop_advance_local_after_bat_wb(struct ploop *ploop,
>   			ploop_hole_set_bit(i + off, ploop);
>   		}
>   	}
> +#ifdef PLOOP_DELAYWB
>   skip_apply:
> +#endif
>   
>   	WARN_ON_ONCE(!test_bit(MD_WRITEBACK, &md->status));
>   	clear_bit(MD_WRITEBACK, &md->status);

-- 
Best regards, Tikhomirov Pavel
Senior Software Developer, Virtuozzo.