On Tue, Jun 18, 2019 at 10:37:26 +0200, Peter Krempa wrote: > Initial implementation of 'auto-read-only' didn't reopen the backing > files when needed. For '-blockdev' to work we need to be able to tel s/tel/tell/ > qemu to open a file read-only and change it during blockjobs as we label > backing chains with a sVirt label which does not allow writing. The > dynamic auto-read-only supports this as it reopens files when writing > is demanded. > > Add a capability to detect that the posix file based backends support > the dynamic part. > --- > src/qemu/qemu_capabilities.c | 2 ++ > src/qemu/qemu_capabilities.h | 1 + > tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml | 1 + > 3 files changed, 4 insertions(+) I agree with holding this patch until you have a user. That is, you can record my Reviewed-by: Jiri Denemark <jdenemar@xxxxxxxxxx> and send this patch again as part of the bigger series which will make use of this capability. Jirka -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
