linux-kernel - Re: [PATCH] erofs: allow large folios for compressed files

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Message-ID: <4130fe2b-59eb-47ac-9e14-0274bffdefc0@linux.alibaba.com>
Date: Tue, 20 Aug 2024 17:37:04 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: Barry Song <21cnbao@...il.com>
Cc: linux-erofs@...ts.ozlabs.org, Chao Yu <chao@...nel.org>,
 LKML <linux-kernel@...r.kernel.org>, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] erofs: allow large folios for compressed files



On 2024/8/20 17:29, Barry Song wrote:
> On Mon, Aug 19, 2024 at 2:52 PM Gao Xiang <hsiangkao@...ux.alibaba.com> wrote:
>>
>> As commit 2e6506e1c4ee ("mm/migrate: fix deadlock in
>> migrate_pages_batch() on large folios") already landed upstream,
>> large folios can be safely enabled for compressed inodes since all
>> prerequisites already landed in 6.11-rc1.
>>
>> Stress tests has been working on my fleet for > 20 days without any
>> regression.  Besides, users [1] has requested it for months.  Let's
>> allow large folios for EROFS full cases upstream now for wider testing.
>>
>> [1] https://lore.kernel.org/r/CAGsJ_4wtE8OcpinuqVwG4jtdx6Qh5f+TON6wz+4HMCq=A2qFcA@mail.gmail.com
>> Cc: Barry Song <21cnbao@...il.com>
>> Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
>> Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
> 
> Thank you, Xiang! We'll run some tests and update you with our findings.

Yeah, findings and patches are welcome as always.

Thanks,
Gao Xiang