[Virtio-fs] [PATCH v3 22/26] DAX/unmap virtiofsd: route unmappable write to slave command

[Stefan Hajnoczi]

On Wed, Apr 28, 2021 at 12:00:56PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert at redhat.com>
> 
> When a fuse_buf_copy is performed on an element with FUSE_BUF_PHYS_ADDR
> route it to a fuse_virtio_write request that does a slave command to
> perform the write.
> 
> Signed-off-by: Dr. David Alan Gilbert <dgilbert at redhat.com>
> ---
>  tools/virtiofsd/buffer.c         | 14 +++++++++++---
>  tools/virtiofsd/fuse_common.h    |  6 +++++-
>  tools/virtiofsd/fuse_lowlevel.h  |  3 ---
>  tools/virtiofsd/passthrough_ll.c |  2 +-
>  4 files changed, 17 insertions(+), 8 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com>
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