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

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On Sun, Apr 10, 2022 at 8:52 PM Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx> wrote:
>
> 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

Hi Xiang,

I think this feature is interesting and promising. So I have performed
some tests according to the user guide. Hope it can be an upstream
feature.

Thanks,
Jiachen

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