Re: [PATCH 1/2] zram: introduce bio batching support for faster writeback

[Sergey Senozhatsky]

On (25/11/13 14:59), Sergey Senozhatsky wrote:
[..]
> @@ -775,67 +980,41 @@ static int zram_writeback_slots(struct zram *zram, struct zram_pp_ctl *ctl)
>  		 */
>  		if (!zram_test_flag(zram, index, ZRAM_PP_SLOT))
>  			goto next;
> -		if (zram_read_from_zspool(zram, page, index))
> +		if (zram_read_from_zspool(zram, req->page, index))
>  			goto next;
>  		zram_slot_unlock(zram, index);
>  
> -		bio_init(&bio, zram->bdev, &bio_vec, 1,
> +		req->blk_idx = blk_idx;
> +		req->pps = pps;

This should move ownership of pps from pps_ctl to req.  Will fix in the next
iteration (apparently compile-testing is not the same as testing).