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

[Peter Krempa]

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 at redhat.com>
---
 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'",
+              vm->def->name, NULLSTR(src->path), src->readonly, force_ro,
+              force_rw, revoke, chain);
+
+    if (force_ro)
         src->readonly = true;

-    if (flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_FORCE_READ_WRITE)
+    if (force_rw)
         src->readonly = false;

     /* just tear down the disk access */
-    if (flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_REVOKE) {
+    if (revoke) {
         virErrorPreserveLast(&orig_err);
         revoke_cgroup = true;
         revoke_label = true;
-- 
2.21.0