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From: Alexander Larsson <alexl@redhat.com>
To: Gao Xiang <hsiangkao@linux.alibaba.com>
Cc: Amir Goldstein <amir73il@gmail.com>,
	Miklos Szeredi <miklos@szeredi.hu>,
	Jingbo Xu <jefflexu@linux.alibaba.com>,
	gscrivan@redhat.com, brauner@kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	david@fromorbit.com, viro@zeniv.linux.org.uk,
	Vivek Goyal <vgoyal@redhat.com>,
	Josef Bacik <josef@toxicpanda.com>
Subject: Re: [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem
Date: Mon, 6 Feb 2023 16:31:22 +0100	[thread overview]
Message-ID: <CAL7ro1G59CGj99YKJYAP=8W+sejE+q=XqXtYjmiXXP9=xVcjwA@mail.gmail.com> (raw)
In-Reply-To: <678002cf-f847-d5c3-a79b-5bebd3c1e518@linux.alibaba.com>

On Mon, Feb 6, 2023 at 2:27 PM Gao Xiang <hsiangkao@linux.alibaba.com> wrote:
> On 2023/2/6 20:43, Alexander Larsson wrote:
> >
> > One problem I ran into is that erofs seems to only support mounting
> > filesystem images that are created with the native page size. This
> > means I can't mount a erofs image created on a 4k page-size machine on
> > an arm64 mac with 64k pages. That doesn't seem great. Maybe this
> > limitation can be lifted from the erofs code though.
>
> Honestly, EROFS 64k support has been in our roadmap for a quite long
> time, and it has been almost done for the uncompressed part apart from
> replacing EROFS_BLKSIZ to erofs_blksiz(sb).

Good, as long as it is on the roadmap.

> Currently it's not urgent just because our Cloud environment always use
> 4k PAGE_SIZE, but it seems Android will consider 16k pagesize as well, so
> yes, we will support !4k page size for the uncompressed part in the near
> future.  But it seems that arm64 RHEL 9 switched back to 4k page size?

Honestly I'm not following it all that closely, but I think Fedora was
at least talking about 64k pages.

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Alexander Larsson                                Red Hat, Inc
       alexl@redhat.com         alexander.larsson@gmail.com


  reply	other threads:[~2023-02-06 15:36 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-20 15:23 [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem Alexander Larsson
2023-01-20 15:23 ` [PATCH v3 1/6] fsverity: Export fsverity_get_digest Alexander Larsson
2023-01-20 15:23 ` [PATCH v3 2/6] composefs: Add on-disk layout header Alexander Larsson
2023-01-20 15:23 ` [PATCH v3 3/6] composefs: Add descriptor parsing code Alexander Larsson
2023-01-20 15:23 ` [PATCH v3 4/6] composefs: Add filesystem implementation Alexander Larsson
2023-01-20 15:23 ` [PATCH v3 5/6] composefs: Add documentation Alexander Larsson
2023-01-21  2:19   ` Bagas Sanjaya
2023-01-20 15:23 ` [PATCH v3 6/6] composefs: Add kconfig and build support Alexander Larsson
2023-01-20 19:44 ` [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem Amir Goldstein
2023-01-20 22:18   ` Giuseppe Scrivano
2023-01-21  3:08     ` Gao Xiang
2023-01-21 16:19       ` Giuseppe Scrivano
2023-01-21 17:15         ` Gao Xiang
2023-01-21 22:34           ` Giuseppe Scrivano
2023-01-22  0:39             ` Gao Xiang
2023-01-22  9:01               ` Giuseppe Scrivano
2023-01-22  9:32                 ` Giuseppe Scrivano
2023-01-24  0:08                   ` Gao Xiang
2023-01-21 10:57     ` Amir Goldstein
2023-01-21 15:01       ` Giuseppe Scrivano
2023-01-21 15:54         ` Amir Goldstein
2023-01-21 16:26           ` Gao Xiang
2023-01-23 17:56   ` Alexander Larsson
2023-01-23 23:59     ` Gao Xiang
2023-01-24  3:24     ` Amir Goldstein
2023-01-24 13:10       ` Alexander Larsson
2023-01-24 14:40         ` Gao Xiang
2023-01-24 19:06         ` Amir Goldstein
2023-01-25  4:18           ` Dave Chinner
2023-01-25  8:32             ` Amir Goldstein
2023-01-25 10:08               ` Alexander Larsson
2023-01-25 10:43                 ` Amir Goldstein
2023-01-25 10:39               ` Giuseppe Scrivano
2023-01-25 11:17                 ` Amir Goldstein
2023-01-25 12:30                   ` Giuseppe Scrivano
2023-01-25 12:46                     ` Amir Goldstein
2023-01-25 13:10                       ` Giuseppe Scrivano
2023-01-25 18:07                         ` Amir Goldstein
2023-01-25 19:45                           ` Giuseppe Scrivano
2023-01-25 20:23                             ` Amir Goldstein
2023-01-25 20:29                               ` Amir Goldstein
2023-01-26  5:26                                 ` userns mount and metacopy redirects (Was: Re: [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem) Amir Goldstein
2023-01-26  8:22                                   ` Christian Brauner
2023-01-27 15:57                               ` [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem Vivek Goyal
2023-01-25 15:24                       ` Christian Brauner
2023-01-25 16:05                         ` Giuseppe Scrivano
2023-01-25  9:37           ` Alexander Larsson
2023-01-25 10:05             ` Gao Xiang
2023-01-25 10:15               ` Alexander Larsson
2023-01-27 10:24                 ` Gao Xiang
2023-02-01  4:28                   ` Jingbo Xu
2023-02-01  7:44                     ` Amir Goldstein
2023-02-01  8:59                       ` Jingbo Xu
2023-02-01  9:52                         ` Alexander Larsson
2023-02-01 12:39                           ` Jingbo Xu
2023-02-01  9:46                     ` Alexander Larsson
2023-02-01 10:01                       ` Gao Xiang
2023-02-01 11:22                         ` Gao Xiang
2023-02-02  6:37                           ` Amir Goldstein
2023-02-02  7:17                             ` Gao Xiang
2023-02-02  7:37                               ` Gao Xiang
2023-02-03 11:32                                 ` Alexander Larsson
2023-02-03 12:46                                   ` Amir Goldstein
2023-02-03 15:09                                     ` Gao Xiang
2023-02-05 19:06                                       ` Amir Goldstein
2023-02-06  7:59                                         ` Amir Goldstein
2023-02-06 10:35                                         ` Miklos Szeredi
2023-02-06 13:30                                           ` Amir Goldstein
2023-02-06 16:34                                             ` Miklos Szeredi
2023-02-06 17:16                                               ` Amir Goldstein
2023-02-06 18:17                                                 ` Amir Goldstein
2023-02-06 19:32                                                 ` Miklos Szeredi
2023-02-06 20:06                                                   ` Amir Goldstein
2023-02-07  8:12                                                     ` Alexander Larsson
2023-04-03 19:00                                                 ` Lazy lowerdata lookup and data-only layers (Was: Re: Composefs:) Amir Goldstein
2023-04-11 15:50                                                   ` Miklos Szeredi
2023-04-12 14:06                                                     ` Amir Goldstein
2023-04-12 14:20                                                       ` Miklos Szeredi
2023-04-12 15:41                                                         ` Amir Goldstein
2023-02-06 12:51                                         ` [PATCH v3 0/6] Composefs: an opportunistically sharing verified image filesystem Alexander Larsson
2023-02-07  8:12                                         ` Jingbo Xu
2023-02-06 12:43                                     ` Alexander Larsson
2023-02-06 13:27                                       ` Gao Xiang
2023-02-06 15:31                                         ` Alexander Larsson [this message]
2023-02-01 12:06                       ` Jingbo Xu
2023-02-02  4:57                       ` Jingbo Xu
2023-02-02  4:59                         ` Jingbo Xu

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