October 2012 - Devel - Libvirt List Archives

[libvirt] [PATCH] spec: Require newer sanlock on recent distros

by Jiri Denemark

Make sure libvirt is build with sanlock >= 2.4 on distros that are new enough to provide it. --- libvirt.spec.in | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libvirt.spec.in b/libvirt.spec.in index 75623eb..15c6b39 100644 --- a/libvirt.spec.in +++ b/libvirt.spec.in @@ -410,8 +410,14 @@ BuildRequires: libpciaccess-devel >= 0.10.9 BuildRequires: yajl-devel %endif %if %{with_sanlock} +# make sure libvirt is built with new enough sanlock on +# distros that have it; required for on_lockfailure +%if 0%{?fedora} >= 17 || 0%{?rhel} >= 6 +BuildRequires: sanlock-devel >= 2.4 +%else BuildRequires: sanlock-devel >= 1.8 %endif +%endif %if %{with_libpcap} BuildRequires: libpcap-devel %endif -- 1.7.12.3

12 years, 6 months

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[libvirt] [PATCH] locking: Fix build with sanlock < 2.4

by Jiri Denemark

libvirt started using sanlock_killpath to implement on_lockfailure action. Since sanlock_killpath was introduced in sanlock 2.4, libvirt fails to build with older sanlock. --- configure.ac | 7 +++++++ src/locking/lock_driver_sanlock.c | 13 +++++++++++++ 2 files changed, 20 insertions(+) diff --git a/configure.ac b/configure.ac index 08dc63d..8810efd 100644 --- a/configure.ac +++ b/configure.ac @@ -1216,6 +1216,13 @@ if test "x$with_sanlock" != "xno"; then if test "x$with_sanlock" = "xyes" ; then AC_DEFINE_UNQUOTED([HAVE_SANLOCK], 1, [whether Sanlock plugin for lock management is available]) + + AC_CHECK_LIB([sanlock_client], [sanlock_killpath], + [sanlock_killpath=yes], [sanlock_killpath=no]) + if test "x$sanlock_killpath" = "xyes" ; then + AC_DEFINE_UNQUOTED([HAVE_SANLOCK_KILLPATH], 1, + [whether Sanlock supports sanlock_killpath]) + fi fi fi AM_CONDITIONAL([HAVE_SANLOCK], [test "x$with_sanlock" = "xyes"]) diff --git a/src/locking/lock_driver_sanlock.c b/src/locking/lock_driver_sanlock.c index a218432..4682701 100644 --- a/src/locking/lock_driver_sanlock.c +++ b/src/locking/lock_driver_sanlock.c @@ -687,6 +687,7 @@ static int virLockManagerSanlockAddResource(virLockManagerPtr lock, return 0; } +#if HAVE_SANLOCK_KILLPATH static int virLockManagerSanlockRegisterKillscript(int sock, const char *vmuri, @@ -762,6 +763,18 @@ cleanup: VIR_FREE(args); return ret; } +#else +static int +virLockManagerSanlockRegisterKillscript(int sock ATTRIBUTE_UNUSED, + const char *vmuri ATTRIBUTE_UNUSED, + const char *uuidstr ATTRIBUTE_UNUSED, + virDomainLockFailureAction action ATTRIBUTE_UNUSED) +{ + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("sanlock is too old to support lock failure action")); + return -1; +} +#endif static int virLockManagerSanlockAcquire(virLockManagerPtr lock, const char *state, -- 1.7.12.3

12 years, 6 months

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[libvirt] [PATCH v3 0/4] command line fd passing using fd sets

by Corey Bryant

This series adds command line file descriptor passing support via a new -add-fd option. This is a follow-on to the existing QMP fd passing support provided in the following patch series: comments.gmane.org/gmane.comp.emulators.qemu/165463 The new -add-fd option is designed to mirror the add-fd QMP option as much as possible. Corey Bryant (4): monitor: Allow add-fd to any specified fd set monitor: Enable adding an inherited fd to an fd set monitor: Prevent removing fd from set during init qemu-config: Add new -add-fd command line option monitor.c | 142 +++++++++++++++++++++++++++++++++---------------------- monitor.h | 3 ++ qapi-schema.json | 2 +- qemu-config.c | 22 +++++++++ qemu-options.hx | 36 ++++++++++++++ vl.c | 72 ++++++++++++++++++++++++++++ 6 files changed, 220 insertions(+), 57 deletions(-) -- 1.7.11.4

12 years, 6 months

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[libvirt] [PATCH] Fix virProcessKillPainfully on Win32

by Daniel P. Berrange

From: "Daniel P. Berrange" <berrange(a)redhat.com> Win32 platforms don't have SIGKILL defined, but they do have SIGABRT. Since our virProcess wrapper treats anything which isn't SIGTERM/SIGINT as equivalent to SIGKILL, just use SIGABRT on Win32. Pushed as a Win32 build break fix Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com> --- src/util/virprocess.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/util/virprocess.c b/src/util/virprocess.c index c70aa58..fee333f 100644 --- a/src/util/virprocess.c +++ b/src/util/virprocess.c @@ -267,8 +267,15 @@ virProcessKillPainfully(pid_t pid, bool force) } else if ((i == 50) & force) { VIR_DEBUG("Timed out waiting after SIGTERM to process %d, " "sending SIGKILL", pid); + /* No SIGKILL kill on Win32 ! Use SIGABRT instead which our + * virProcessKill proc will handle more or less lik SIGKILL */ +#ifdef WIN32 + signum = SIGABRT; /* kill it after a grace period */ + signame = "ABRT"; +#else signum = SIGKILL; /* kill it after a grace period */ signame = "KILL"; +#endif } else { signum = 0; /* Just check for existence */ } -- 1.7.11.2

12 years, 6 months

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[libvirt] [PATCH] [libvirt-snmp] List inactive domains

by Jorge Boncompte [DTI2]

From: "Jorge Boncompte [DTI2]" <jorge(a)dti2.net> Monitoring app can't otherwise differentiate between a stopped domain or a nonexistent one. Signed-off-by: Jorge Boncompte [DTI2] <jorge(a)dti2.net> --- src/libvirtSnmp.c | 186 +++++++++++++++++++++++++++++++++++------------------ 1 file changed, 123 insertions(+), 63 deletions(-) diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c index a9fa185..2bd8f01 100644 --- a/src/libvirtSnmp.c +++ b/src/libvirtSnmp.c @@ -113,6 +113,82 @@ out: return; } + +static int +insertGuest(netsnmp_container *container, virDomainPtr domain) +{ + int ret = 0; + virDomainInfo info; + libvirtGuestTable_rowreq_ctx *row_ctx = NULL; + const char *name = NULL; + unsigned char uuid[16]; + + if (-1 == virDomainGetInfo(domain, &info)) { + printf("Failed to get domain info\n"); + showError(conn); + ret = -1; + goto out; + } + + /* create new row in the container */ + row_ctx = libvirtGuestTable_allocate_rowreq_ctx(NULL); + if (!row_ctx) { + snmp_log(LOG_ERR, "Error creating row"); + ret = -1; + goto out; + } + + /* set the index of the row */ + ret = virDomainGetUUID(domain, uuid); + if (ret) { + snmp_log(LOG_ERR, "Cannot get UUID"); + libvirtGuestTable_release_rowreq_ctx(row_ctx); + ret = -1; + goto out; + } + if (MFD_SUCCESS != libvirtGuestTable_indexes_set(row_ctx, (char*) uuid, + sizeof(uuid))) { + snmp_log(LOG_ERR, "Error setting row index"); + libvirtGuestTable_release_rowreq_ctx(row_ctx); + ret = -1; + goto out; + } + + /* set the data */ + name = virDomainGetName(domain); + if (name) + row_ctx->data.libvirtGuestName = strdup(name); + else + row_ctx->data.libvirtGuestName = strdup(""); + if (!row_ctx->data.libvirtGuestName) { + snmp_log(LOG_ERR, "Not enough memory for domain name '%s'", name); + libvirtGuestTable_release_rowreq_ctx(row_ctx); + ret = -1; + goto out; + } + + row_ctx->data.libvirtGuestState = info.state; + row_ctx->data.libvirtGuestCpuCount = info.nrVirtCpu; + /* convert the memory to MiB */ + row_ctx->data.libvirtGuestMemoryCurrent = info.memory / 1024; + row_ctx->data.libvirtGuestMemoryLimit = info.maxMem / 1024; + row_ctx->data.libvirtGuestCpuTime.high = info.cpuTime >> 32; + row_ctx->data.libvirtGuestCpuTime.low = info.cpuTime & 0xFFFFFFFF; + + row_ctx->data.libvirtGuestRowStatus = ROWSTATUS_ACTIVE; + + ret = CONTAINER_INSERT(container, row_ctx); + if (ret) { + snmp_log(LOG_ERR, "Cannot insert domain '%s' to container", name); + libvirtGuestTable_release_rowreq_ctx(row_ctx); + ret = -1; + goto out; + } + +out: + return ret; +} + /* * Populate libvirtGuestTable into given container. */ @@ -120,11 +196,10 @@ int libvirtSnmpLoadGuests(netsnmp_container *container) { int ret = 0, i, numIds, numActiveDomains; + int numNames, numDefinedDomains; int *idList = NULL; + char **nameList = NULL; virDomainPtr domain = NULL; - virDomainInfo info; - libvirtGuestTable_rowreq_ctx *row_ctx = NULL; - const char *name = NULL; numActiveDomains = virConnectNumOfDomains(conn); if (-1 == numActiveDomains) { @@ -154,8 +229,6 @@ libvirtSnmpLoadGuests(netsnmp_container *container) } for (i = 0 ; i < numIds ; i++) { - unsigned char uuid[16]; - domain = virDomainLookupByID(conn, *(idList + i)); if (NULL == domain) { printf("Failed to lookup domain\n"); @@ -164,74 +237,61 @@ libvirtSnmpLoadGuests(netsnmp_container *container) goto out; } - if (-1 == virDomainGetInfo(domain, &info)) { - printf("Failed to get domain info\n"); - showError(conn); - virDomainFree(domain); - ret = -1; + ret = insertGuest(container, domain); + + virDomainFree(domain); + + if (-1 == ret) goto out; - } + } - /* create new row in the container */ - row_ctx = libvirtGuestTable_allocate_rowreq_ctx(NULL); - if (!row_ctx) { - virDomainFree(domain); - snmp_log(LOG_ERR, "Error creating row"); - ret = -1; - goto out; - } - /* set the index of the row */ - ret = virDomainGetUUID(domain, uuid); - if (ret) { - virDomainFree(domain); - snmp_log(LOG_ERR, "Cannot get UUID"); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret = -1; - goto out; - } - if (MFD_SUCCESS != libvirtGuestTable_indexes_set(row_ctx, (char*) uuid, - sizeof(uuid))) { - virDomainFree(domain); - snmp_log(LOG_ERR, "Error setting row index"); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret = -1; - goto out; - } + /* Inactive domains */ + numDefinedDomains = virConnectNumOfDefinedDomains(conn); + if (-1 == numDefinedDomains) { + ret = -1; + printf("Failed to get number of defined domains\n"); + showError(conn); + goto out; + } - /* set the data */ - name = virDomainGetName(domain); - if (name) - row_ctx->data.libvirtGuestName = strdup(name); - else - row_ctx->data.libvirtGuestName = strdup(""); - if (!row_ctx->data.libvirtGuestName) { - snmp_log(LOG_ERR, "Not enough memory for domain name '%s'", name); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret = -1; - goto out; + nameList = malloc(sizeof(*nameList) * numDefinedDomains); + + if (NULL == nameList) { + ret = -1; + printf("Could not allocate memory for list of defined domains\n"); + goto out_inact; + } + + numNames = virConnectListDefinedDomains(conn, + nameList, + numDefinedDomains); + + if (-1 == numNames) { + ret = -1; + printf("Could not get list of defined domains from hypervisor\n"); + showError(conn); + goto out_inact; + } + + for (i = 0 ; i < numNames ; i++) { + domain = virDomainLookupByName(conn, *(nameList + i)); + if (NULL == domain) { + printf("Failed to lookup domain\n"); + showError(conn); + ret = -1; + goto out_inact; } - row_ctx->data.libvirtGuestState = info.state; - row_ctx->data.libvirtGuestCpuCount = info.nrVirtCpu; - /* convert the memory to MiB */ - row_ctx->data.libvirtGuestMemoryCurrent = info.memory / 1024; - row_ctx->data.libvirtGuestMemoryLimit = info.maxMem / 1024; - row_ctx->data.libvirtGuestCpuTime.high = info.cpuTime >> 32; - row_ctx->data.libvirtGuestCpuTime.low = info.cpuTime & 0xFFFFFFFF; + ret = insertGuest(container, domain); - row_ctx->data.libvirtGuestRowStatus = ROWSTATUS_ACTIVE; virDomainFree(domain); - ret = CONTAINER_INSERT(container, row_ctx); - if (ret) { - snmp_log(LOG_ERR, "Cannot insert domain '%s' to container", name); - libvirtGuestTable_release_rowreq_ctx(row_ctx); - ret = -1; - goto out; - } - + if (-1 == ret) + goto out_inact; } +out_inact: + free(nameList); out: free(idList); return ret; -- 1.7.10.4

12 years, 6 months

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[libvirt] [PATCH] tests: Fix domain-events python test

by Martin Kletzander

There was a missing method in python implementation of domain-events test and this patch adds that. --- examples/domain-events/events-python/event-test.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/examples/domain-events/events-python/event-test.py b/examples/domain-events/events-python/event-test.py index 813b1c2..2bb5195 100644 --- a/examples/domain-events/events-python/event-test.py +++ b/examples/domain-events/events-python/event-test.py @@ -492,6 +492,9 @@ def myDomainEventPMSuspendCallback(conn, dom, reason, opaque): dom.name(), dom.ID()) def myDomainEventBalloonChangeCallback(conn, dom, utcoffset, actual): print "myDomainEventBalloonChangeCallback: Domain %s(%s) %d" % (dom.name(), dom.ID(), actual) +def myDomainEventPMSuspendDiskCallback(conn, dom, reason, opaque): + print "myDomainEventPMSuspendDiskCallback: Domain %s(%s) system pmsuspend_disk" % ( + dom.name(), dom.ID()) def usage(out=sys.stderr): print >>out, "usage: "+os.path.basename(sys.argv[0])+" [-hdl] [uri]" print >>out, " uri will default to qemu:///system" -- 1.7.12.3

12 years, 6 months

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[libvirt] [PATCH] maint: prepare for next release number

by Eric Blake

Given Daniel's announcement[1], code targetting the next release will be in 1.0.0, not 0.10.3. Changed mechanically with: for f in $(git grep -l '0$.$10\13\b') ; do sed -i -e 's/0$.$10\13/1\10\10/g' $f done [1]https://www.redhat.com/archives/libvir-list/2012-October/msg00403.html * docs/formatdomain.html.in: Use 1.0.0 for next release. * src/interface/interface_backend_udev.c: Likewise. --- Any objections? docs/formatdomain.html.in | 4 ++-- src/interface/interface_backend_udev.c | 20 ++++++++++---------- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 1ae8cf4..ad8a41b 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -989,7 +989,7 @@ The <code>on_lockfailure</code> element (since - 0.10.3) may be used to configure what action should be + 1.0.0) may be used to configure what action should be taken when a lock manager loses resource locks. The following actions are recognized by libvirt, although not all of them need to be supported by individual lock managers. When no action is @@ -2140,7 +2140,7 @@ address on the hosts using the <code>address</code> element. PCI devices on the other hand can only be described by their <code>address</code>. - Since 0.10.3, the <code>source</code> element + Since 1.0.0, the <code>source</code> element of USB devices may contain <code>startupPolicy</code> attribute which can be used to define policy what to do if the specified host USB device is not found. The attribute accepts the following values: diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c index 1cb6dfe..0cb344e 100644 --- a/src/interface/interface_backend_udev.c +++ b/src/interface/interface_backend_udev.c @@ -520,16 +520,16 @@ cleanup: static virInterfaceDriver udevIfaceDriver = { "udev", - .open = udevIfaceOpenInterface, /* 0.10.3 */ - .close = udevIfaceCloseInterface, /* 0.10.3 */ - .numOfInterfaces = udevIfaceNumOfInterfaces, /* 0.10.3 */ - .listInterfaces = udevIfaceListInterfaces, /* 0.10.3 */ - .numOfDefinedInterfaces = udevIfaceNumOfDefinedInterfaces, /* 0.10.3 */ - .listDefinedInterfaces = udevIfaceListDefinedInterfaces, /* 0.10.3 */ - .listAllInterfaces = udevIfaceListAllInterfaces, /* 0.10.3 */ - .interfaceLookupByName = udevIfaceLookupByName, /* 0.10.3 */ - .interfaceLookupByMACString = udevIfaceLookupByMACString, /* 0.10.3 */ - .interfaceIsActive = udevIfaceIsActive, /* 0.10.3 */ + .open = udevIfaceOpenInterface, /* 1.0.0 */ + .close = udevIfaceCloseInterface, /* 1.0.0 */ + .numOfInterfaces = udevIfaceNumOfInterfaces, /* 1.0.0 */ + .listInterfaces = udevIfaceListInterfaces, /* 1.0.0 */ + .numOfDefinedInterfaces = udevIfaceNumOfDefinedInterfaces, /* 1.0.0 */ + .listDefinedInterfaces = udevIfaceListDefinedInterfaces, /* 1.0.0 */ + .listAllInterfaces = udevIfaceListAllInterfaces, /* 1.0.0 */ + .interfaceLookupByName = udevIfaceLookupByName, /* 1.0.0 */ + .interfaceLookupByMACString = udevIfaceLookupByMACString, /* 1.0.0 */ + .interfaceIsActive = udevIfaceIsActive, /* 1.0.0 */ }; int -- 1.7.11.7

12 years, 6 months

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[libvirt] [PATCH] maint: fix license on polkit script

by Eric Blake

As approved here: https://www.redhat.com/archives/libvir-list/2012-October/msg00701.html * daemon/libvirtd.policy.in: Use LGPLv2+ license. --- I'm waiting for an ack on this one - even though the change is only to comments, I am taking due caution to ensure no one was trying to use this in an exact LGPLv2.0 setup, where changing to LGPLv2.1+ to match the rest of libvirt would hurt them. daemon/libvirtd.policy.in | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/daemon/libvirtd.policy.in b/daemon/libvirtd.policy.in index 000c17e..2ec7716 100644 --- a/daemon/libvirtd.policy.in +++ b/daemon/libvirtd.policy.in @@ -6,10 +6,22 @@  <policyconfig> -- 1.7.11.7

12 years, 6 months

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[libvirt] [PATCH 00/12]

by Daniel P. Berrange

An update of https://www.redhat.com/archives/libvir-list/2012-August/msg00618.html Mostly this is a rebase to latest GIT. Alot of the questions raised with review last time bogged down on whether the APIs were design in the right way. I think I clarified their intended usage, so hopefully we can do code review this time :-) There are still a few more patches to add on to this - Serialize the tx/rx message queues so we don't loose partially sent/received messages across re-exec() - Make fcntl driver more configurable in its behaviour - Add support for leases based on LVM UUID and SCSI WWN

12 years, 6 months

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[libvirt] [PATCH] conf: add test for boot dev and order

by Martin Kletzander

Add test for 280b8c9e7c94db1decdca08d169c88554c09fa19. --- .../qemuxml2argv-boot-dev+order.xml | 56 ++++++++++++++++++++++ tests/qemuxml2argvtest.c | 3 ++ 2 files changed, 59 insertions(+) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-boot-dev+order.xml diff --git a/tests/qemuxml2argvdata/qemuxml2argv-boot-dev+order.xml b/tests/qemuxml2argvdata/qemuxml2argv-boot-dev+order.xml new file mode 100644 index 0000000..ad3d88c --- /dev/null +++ b/tests/qemuxml2argvdata/qemuxml2argv-boot-dev+order.xml @@ -0,0 +1,56 @@ +<domain type='qemu'> + <name>QEMUGuest1</name> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid> + <memory unit='KiB'>219100</memory> + <currentMemory unit='KiB'>219100</currentMemory> + <vcpu placement='static'>1</vcpu> + <os> + <type arch='i686' machine='pc'>hvm</type> + <boot dev='hd'/> + <boot dev='cdrom'/> + <boot dev='network'/> + </os> + <clock offset='utc'/> + <on_poweroff>destroy</on_poweroff> + <on_reboot>restart</on_reboot> + <on_crash>destroy</on_crash> + <devices> + <emulator>/usr/bin/qemu</emulator> + <disk type='block' device='disk'> + <source dev='/dev/HostVG/QEMUGuest1'/> + <target dev='hda' bus='ide'/> + <address type='drive' controller='0' bus='0' target='0' unit='0'/> + </disk> + <disk type='file' device='cdrom'> + <source file='/root/boot.iso'/> + <target dev='hdc' bus='ide'/> + <readonly/> + <boot order='1'/> + <address type='drive' controller='0' bus='1' target='0' unit='0'/> + </disk> + <disk type='network' device='disk'> + <driver name='qemu' type='raw'/> + <source protocol='sheepdog' name='image'> + <host name='example.org' port='6000'/> + </source> + <target dev='vda' bus='virtio'/> + <boot order='3'/> + </disk> + <disk type='file' device='floppy'> + <driver name='qemu' type='raw'/> + <source file='/dev/null'/> + <target dev='fdb' bus='fdc'/> + <boot order='4'/> + <address type='drive' controller='0' bus='0' target='0' unit='1'/> + </disk> + <controller type='usb' index='0'/> + <controller type='ide' index='0'/> + <controller type='fdc' index='0'/> + <interface type='user'> + <mac address='00:11:22:33:44:55'/> + <model type='virtio'/> + <boot order='2'/> + </interface> + <memballoon model='virtio'/> + </devices> +</domain> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index 7732ae1..3ecd957 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -375,6 +375,9 @@ mymain(void) DO_TEST("boot-menu-disable-drive-bootindex", QEMU_CAPS_BOOT_MENU, QEMU_CAPS_DEVICE, QEMU_CAPS_DRIVE, QEMU_CAPS_BOOTINDEX); + DO_TEST_PARSE_ERROR("boot-dev+order", + QEMU_CAPS_BOOTINDEX, QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, + QEMU_CAPS_VIRTIO_BLK_SCSI, QEMU_CAPS_VIRTIO_BLK_SG_IO); DO_TEST("boot-order", QEMU_CAPS_BOOTINDEX, QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_VIRTIO_BLK_SCSI, QEMU_CAPS_VIRTIO_BLK_SG_IO); -- 1.7.12.3

12 years, 6 months

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Devel October 2012