Re: [libvirt] [PATCH] qemu: domain: Log some useful data in qemuDomainStorageSourceAccessModify

Peter Krempa <pkrempa(a)redhat.com&gt; [2019-06-12, 01:53PM +0200]: > Log the flags passed to the function in a exploded state so that it's > easily visible what's happening to the image. > > Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; > --- > src/qemu/qemu_domain.c | 13 ++++++++++--- > 1 file changed, 10 insertions(+), 3 deletions(-) > > diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c > index 2095191cde..d28cfa4f42 100644 > --- a/src/qemu/qemu_domain.c > +++ b/src/qemu/qemu_domain.c > @@ -9339,6 +9339,9 @@ qemuDomainStorageSourceAccessModify(virQEMUDriverPtr driver, > int ret = -1; > virErrorPtr orig_err = NULL; > bool chain = flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_CHAIN; > + bool force_ro = flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_FORCE_READ_ONLY; > + bool force_rw = flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_FORCE_READ_WRITE; > + bool revoke = flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_REVOKE; > int rc; > bool was_readonly = src->readonly; > bool revoke_cgroup = false; > @@ -9346,14 +9349,18 @@ qemuDomainStorageSourceAccessModify(virQEMUDriverPtr driver, > bool revoke_namespace = false; > bool revoke_lockspace = false; > > - if (flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_FORCE_READ_ONLY) > + VIR_DEBUG("VM: '%s', src: '%s', readonly: '%d, force_ro: '%d', force_rw: '%d', revoke: '%d', chain: '%d'", Almost everywhere we use the syntax key=value when logging, so I'd prefer this here as well.