Re: [PATCH v3 0/8] fuse,virtiofs: support per-file DAX

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ping? Corresponding patches for virtiofsd are also included in this
patch set.

On 8/4/21 3:06 PM, Jeffle Xu wrote:
> changes since v2:
> - modify fuse_show_options() accordingly to make it compatible with
>   new tri-state mount option (patch 2)
> - extract FUSE protocol changes into one seperate patch (patch 3)
> - FUSE server/client need to negotiate if they support per-file DAX
>   (patch 4)
> - extract DONT_CACHE logic into patch 6/7
> 
> 
> This patchset adds support of per-file DAX for virtiofs, which is
> inspired by Ira Weiny's work on ext4[1] and xfs[2].
> 
> Any comment is welcome.
> 
> [1] commit 9cb20f94afcd ("fs/ext4: Make DAX mount option a tri-state")
> [2] commit 02beb2686ff9 ("fs/xfs: Make DAX mount option a tri-state")
> 
> v2: https://www.spinics.net/lists/linux-fsdevel/msg199584.html
> v1: https://www.spinics.net/lists/linux-virtualization/msg51008.html
> 
> Jeffle Xu (8):
>   fuse: add fuse_should_enable_dax() helper
>   fuse: Make DAX mount option a tri-state
>   fuse: support per-file DAX
>   fuse: negotiate if server/client supports per-file DAX
>   fuse: enable per-file DAX
>   fuse: mark inode DONT_CACHE when per-file DAX indication changes
>   fuse: support changing per-file DAX flag inside guest
>   fuse: show '-o dax=inode' option only when FUSE server supports
> 
>  fs/fuse/dax.c             | 32 ++++++++++++++++++++++++++++++--
>  fs/fuse/file.c            |  4 ++--
>  fs/fuse/fuse_i.h          | 22 ++++++++++++++++++----
>  fs/fuse/inode.c           | 27 ++++++++++++++++++---------
>  fs/fuse/ioctl.c           | 15 +++++++++++++--
>  fs/fuse/virtio_fs.c       | 16 ++++++++++++++--
>  include/uapi/linux/fuse.h |  9 ++++++++-
>  7 files changed, 103 insertions(+), 22 deletions(-)
> 

-- 
Thanks,
Jeffle
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