Re: [PATCH] qemu_domain: Modify access to a NVMe disk iff needed

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On Fri, Feb 14, 2020 at 02:25:15PM +0100, Michal Privoznik wrote:
If a domain has a NVMe disk it already has the access configured.
Trying to configure it again on a commit or some other operation
is wrong and condemned to failure.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
src/qemu/qemu_domain.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 72f03c3a35..b0e90f818d 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -11676,13 +11676,13 @@ qemuDomainStorageSourceAccessModify(virQEMUDriverPtr driver,

    revoke_lockspace = true;

-    if (qemuDomainStorageSourceAccessModifyNVMe(driver, vm, src, false) < 0)
-        goto revoke;
-
-    revoke_nvme = true;
-

    /* When modifying access of existing @src namespace does not need update */

This renders the above comment incomplete. I suggest deleting it :)

    if (!(flags & QEMU_DOMAIN_STORAGE_SOURCE_ACCESS_MODIFY_ACCESS)) {
+        if (qemuDomainStorageSourceAccessModifyNVMe(driver, vm, src, false) < 0)
+            goto revoke;
+
+        revoke_nvme = true;
+
        if (qemuDomainNamespaceSetupDisk(vm, src) < 0)
            goto revoke;

--

Reviewed-by: Ján Tomko <jtomko@xxxxxxxxxx>

Jano

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