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3 Commits

Author SHA1 Message Date
Ján Tomko
071a1ab92f qemu: use the vhost-user schemas to find binary 
Look into /usr/share/qemu/vhost-user to see whether we can find
a suitable virtiofsd binary, in case the user did not provide one
in the domain XML.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Andrea Bolognani <abologna@redhat.com>
 2020-03-04 12:08:50 +01:00
Ján Tomko
9de5d69c21 qemu: put virtiofsd in the emulator cgroup 
Wire up the code to put virtiofsd in the emulator cgroup on domain
startup.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Andrea Bolognani <abologna@redhat.com>
 2020-03-04 12:08:50 +01:00
Ján Tomko
f0f986efa8 qemu: add code for handling virtiofsd 
Start virtiofsd for each <filesystem> device using it.

Pre-create the socket for communication with QEMU and pass it
to virtiofsd.

Note that virtiofsd needs to run as root.

https://bugzilla.redhat.com/show_bug.cgi?id=1694166

Introduced by QEMU commit a43efa34c7d7b628cbf1ec0fe60043e5c91043ea

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Tested-by: Andrea Bolognani <abologna@redhat.com>
 2020-03-04 12:08:50 +01:00