Re: [PATCH v8 00/20] fscache,erofs: fscache-based on-demand read semantics

From: Gao Xiang
Date: Sun Apr 10 2022 - 08:52:01 EST


On Wed, Apr 06, 2022 at 03:55:52PM +0800, Jeffle Xu wrote:
> changes since v7:
> - rebased to 5.18-rc1
> - include "cachefiles: unmark inode in use in error path" patch into
> this patchset to avoid warning from test robot (patch 1)
> - cachefiles: rename [cookie|volume]_key_len field of struct
> cachefiles_open to [cookie|volume]_key_size to avoid potential
> misunderstanding. Also add more documentation to
> include/uapi/linux/cachefiles.h. (patch 3)
> - cachefiles: valid check for error code returned from user daemon
> (patch 3)
> - cachefiles: change WARN_ON_ONCE() to pr_info_once() when user daemon
> closes anon_fd prematurely (patch 4/5)
> - ready for complete review
>
>
> Kernel Patchset
> ---------------
> Git tree:
>
> https://github.com/lostjeffle/linux.git jingbo/dev-erofs-fscache-v8
>
> Gitweb:
>
> https://github.com/lostjeffle/linux/commits/jingbo/dev-erofs-fscache-v8
>
>
> User Daemon for Quick Test
> --------------------------
> Git tree:
>
> https://github.com/lostjeffle/demand-read-cachefilesd.git main
>
> Gitweb:
>
> https://github.com/lostjeffle/demand-read-cachefilesd
>

Btw, we've also finished a preliminary end-to-end on-demand download
daemon in order to test the fscache on-demand kernel code as a real
end-to-end workload for container use cases:

User guide: https://github.com/dragonflyoss/image-service/blob/fscache/docs/nydus-fscache.md
Video: https://youtu.be/F4IF2_DENXo

Thanks,
Gao Xiang