linux-kernel - Re: [PATCHv3 1/4] zram: introduce writeback bio batching support

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Message-ID: <hbtjgtrba2elesgfxva63y6g2s3ycnwv5yhxlwknrfpulmljte@ghz2eudf3i7r>
Date: Tue, 18 Nov 2025 16:00:32 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Sergey Senozhatsky <senozhatsky@...omium.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	Minchan Kim <minchan@...nel.org>, Yuwen Chen <ywen.chen@...mail.com>, 
	Richard Chang <richardycc@...gle.com>, Brian Geffon <bgeffon@...gle.com>, 
	Fengyu Lian <licayy@...look.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	linux-block@...r.kernel.org, Minchan Kim <minchan@...gle.com>
Subject: Re: [PATCHv3 1/4] zram: introduce writeback bio batching support

On (25/11/15 11:34), Sergey Senozhatsky wrote:
[..]
> +static int zram_writeback_complete(struct zram *zram, struct zram_wb_req *req)
> +{
> +	u32 index;
> +	int err;
> +
> +	index = req->pps->index;
> +	release_pp_slot(zram, req->pps);
> +	req->pps = NULL;

It's too early to release the pp_slot here.  Will fix in v4.