[libvirt] [PATCH 2/2] qemu: Add support for zero-detection writes

[Vasiliy Tolstov]

2015-12-14 15:44 GMT+03:00 Vasiliy Tolstov <v.tolstov at selfip.ru>:
> Thanks, i'm try to test this patch series and get error:
> ОШИБКА: internal error: process exited while connecting to monitor:
> 2015-12-14T12:36:44.438611Z qemu-system-x86_64: -drive
> file=/dev/vg3/41459,if=none,id=drive-scsi0-0-0-0,format=raw,cache=none,discard=unmap,detect_zeros=unmap,aio=native:
> Block format 'raw' used by device 'drive-scsi0-0-0-0' doesn't support
> the option 'detect_zeros'


this is patch for patch =)

diff --git a/debian/patches/libvirt-qemu-detect-zeros.patch
b/debian/patches/libvirt-qemu-detect-zeros.patch
index 582c49d..d86dee6 100644
--- a/debian/patches/libvirt-qemu-detect-zeros.patch
+++ b/debian/patches/libvirt-qemu-detect-zeros.patch
@@ -130,7 +130,7 @@ index d2f37e408bab..49b76adc416f 100644

 +    if (disk->detect_zeros) {
 +        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DETECT_ZEROS)) {
-+            virBufferAsprintf(&opt, ",detect_zeros=%s",
++            virBufferAsprintf(&opt, ",detect-zeroes=%s",
 +
virDomainDiskDetectZerosTypeToString(disk->detect_zeros));
 +        } else {
 +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
@@ -198,11 +198,11 @@ index 000000000000..5224a69798b2
 +-boot dc \
 +-usb \
 +-drive file=/var/lib/libvirt/images/f14.img,if=none,id=drive-virtio-disk0,\
-+format=qcow2,discard=unmap,detect_zeroes=unmap \
++format=qcow2,discard=unmap,detect-zeroes=unmap \
 +-device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
 +id=virtio-disk0 \
 +-drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,if=none,media=cdrom,\
-+id=drive-ide0-1-0,format=raw,discard=ignore,detect_zeroes=off \
++id=drive-ide0-1-0,format=raw,discard=ignore,detect-zeroes=off \
 +-device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \
 +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
 diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c



-- 
Vasiliy Tolstov,
e-mail: v.tolstov at selfip.ru