File virtman-fix-shared-disk-request-alignment-error... of Package virt-manager

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File virtman-fix-shared-disk-request-alignment-error.patch of Package virt-manager (Revision 68ef2031dfbde951169834d6c343a606)

Currently displaying revision 68ef2031dfbde951169834d6c343a606 , Show latest

References: bsc#1207070

When creating a raw disk that is marked as 'shared', libvirt
will round the allocation amount higher to a 4k boundary.
This results in the qemu error shown below passed back to libvirt.
Note that only raw disks can be marked shared (not qcow2)
but the rounding should not harm qcow2 disks.

libvirt.libvirtError: internal error: qemu unexpectedly closed the monitor: 2023-01-19T21:40:28.507063Z qemu-system-x86_64:
-device {"driver":"virtio-blk-pci","bus":"pci.8","addr":"0x0","share-rw":true,"drive":"libvirt-1-format","id":"virtio-disk1","write-cache":"on"}:
Cannot get 'write' permission without 'resize': Image size is not a multiple of request alignment

Index: virt-manager-4.1.0/virtManager/createvol.py
===================================================================
--- virt-manager-4.1.0.orig/virtManager/createvol.py
+++ virt-manager-4.1.0/virtManager/createvol.py
@@ -248,7 +248,13 @@ class vmmCreateVolume(vmmGObjectUI):
         vol = self._make_stub_vol()
         vol.name = volname
         vol.capacity = (cap * 1024 * 1024 * 1024)
+        if vol.capacity:
+            # If a raw disk is marked 'shared', round up for libvirt
+            vol.capacity -= vol.capacity % -4096
         vol.allocation = (alloc * 1024 * 1024 * 1024)
+        if vol.allocation:
+            vol.allocation -= vol.allocation % -4096
+
         if backing:
             vol.backing_store = backing
         if fmt:
Index: virt-manager-4.1.0/virtinst/devices/disk.py
===================================================================
--- virt-manager-4.1.0.orig/virtinst/devices/disk.py
+++ virt-manager-4.1.0/virtinst/devices/disk.py
@@ -361,6 +361,9 @@ class DeviceDisk(Device):
                       volname, poolobj.name())
 
         cap = (size * 1024 * 1024 * 1024)
+        if cap:
+            # If a raw disk is marked 'shared', round up for libvirt
+            cap -= cap % -4096
         if sparse:
             alloc = 0
         else:

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File virtman-fix-shared-disk-request-alignment-error.patch of Package virt-manager (Revision 68ef2031dfbde951169834d6c343a606)

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