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Date:   Thu, 4 Aug 2022 21:19:20 +0800
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Subject: Re: [f2fs-dev] [PATCH v2] f2fs: handle decompress only post
 processing in softirq
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To:     Daeho Jeong <daeho43@gmail.com>, linux-kernel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com
Cc:     Daeho Jeong <daehojeong@google.com>
References: <20220802192437.1895492-1-daeho43@gmail.com>
From:   Chao Yu <chao@kernel.org>
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On 2022/8/3 3:24, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@google.com>
> 
> Now decompression is being handled in workqueue and it makes read I/O
> latency non-deterministic, because of the non-deterministic scheduling
> nature of workqueues. So, I made it handled in softirq context only if
> possible, not in low memory devices, since this modification will
> maintain decompresion related memory a little longer.
> ---
> v1: fixed build errors reported by kernel test robot <lkp@intel.com>
> v2: enhanced readability and removed a redundant code
> 
> Signed-off-by: Daeho Jeong <daehojeong@google.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,