Hi,
As explained in the common cover letter
(<[email protected]>),
we want to let the guest mirror the mount structure on the host.
To do so, we need to set st_rdev to a non-zero value[1] for mount
points, and this is what this series makes virtiofsd do (optionally,
because some users may prefer not to pass this information through to
the guest).
[1] In practice, any non-zero value will do, but we might want it to be
st_dev so the guest might in the future special-case duplicate
mounts (by using a single block device for them, so they all get the
same st_dev).
Max Reitz (2):
virtiofsd: Store every lo_inode's parent_dev
virtiofsd: Set st_rdev for sub-mount points
tools/virtiofsd/passthrough_ll.c | 79 ++++++++++++++++++++++++++++----
1 file changed, 70 insertions(+), 9 deletions(-)
--
2.26.2
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