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cfg2cmd: make io_uring default

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The 'aio' setting is not visible to the guest, and so can be changed
during migrations or snapshots without issue. It is thus only
dependendent on the actual QEMU version being >= 6.0, not machine
version.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
This commit is contained in:
Stefan Reiter 2021-06-21 17:33:18 +02:00 committed by Thomas Lamprecht
parent 59e5934270
commit 6d5673c3b6
4 changed files with 21 additions and 13 deletions
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22
PVE/QemuServer.pm
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@ -1523,7 +1523,7 @@ sub get_initiator_name {
}
sub print_drive_commandline_full {
my ($storecfg, $vmid, $drive, $pbs_name) = @_;
my ($storecfg, $vmid, $drive, $pbs_name, $io_uring) = @_;
my $path;
my $volid = $drive->{file};
@ -1599,12 +1599,17 @@ sub print_drive_commandline_full {
$cache_direct = 1;
}
# aio native works only with O_DIRECT
if (!$drive->{aio}) {
if($cache_direct) {
$opts .= ",aio=native";
if ($io_uring) {
# io_uring supports all cache modes
$opts .= ",aio=io_uring";
} else {
$opts .= ",aio=threads";
# aio native works only with O_DIRECT
if($cache_direct) {
$opts .= ",aio=native";
} else {
$opts .= ",aio=threads";
}
}
}
@ -3667,7 +3672,8 @@ sub config_to_command {
push @$devices, '-blockdev', print_pbs_blockdev($pbs_conf, $pbs_name);
}
my $drive_cmd = print_drive_commandline_full($storecfg, $vmid, $drive, $pbs_name);
my $drive_cmd = print_drive_commandline_full(
$storecfg, $vmid, $drive, $pbs_name, min_version($kvmver, 6, 0));
# extra protection for templates, but SATA and IDE don't support it..
my $read_only = PVE::QemuConfig->is_template($conf)
@ -4081,7 +4087,9 @@ sub qemu_objectdel {
sub qemu_driveadd {
my ($storecfg, $vmid, $device) = @_;
my $drive = print_drive_commandline_full($storecfg, $vmid, $device);
my $kvmver = get_running_qemu_version($vmid);
my $io_uring = min_version($kvmver, 6, 0);
my $drive = print_drive_commandline_full($storecfg, $vmid, $device, undef, $io_uring);
$drive =~ s/\\/\\\\/g;
my $ret = PVE::QemuServer::Monitor::hmp_cmd($vmid, "drive_add auto \"$drive\"");

4
test/cfg2cmd/pinned-version-pxe-pve.conf.cmd
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@ -23,10 +23,10 @@
-device 'virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000,bus=pci.1,addr=0x1d' \
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=threads' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=io_uring' \
-device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200' \
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=native,detect-zeroes=unmap' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=io_uring,detect-zeroes=unmap' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
-device 'virtio-net-pci,mac=A2:C0:43:77:08:A1,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300,romfile=pxe-virtio.rom' \

4
test/cfg2cmd/pinned-version-pxe.conf.cmd
View File

@ -21,10 +21,10 @@
-device 'VGA,id=vga,bus=pcie.0,addr=0x1' \
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=threads' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=io_uring' \
-device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200' \
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=native,detect-zeroes=unmap' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=io_uring,detect-zeroes=unmap' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
-device 'virtio-net-pci,mac=A2:C0:43:77:08:A1,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300,romfile=pxe-virtio.rom' \

4
test/cfg2cmd/pinned-version.conf.cmd
View File

@ -21,10 +21,10 @@
-device 'VGA,id=vga,bus=pcie.0,addr=0x1' \
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=threads' \
-drive 'if=none,id=drive-ide2,media=cdrom,aio=io_uring' \
-device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200' \
-device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=native,detect-zeroes=unmap' \
-drive 'file=/var/lib/vz/images/8006/vm-8006-disk-0.raw,if=none,id=drive-scsi0,discard=on,format=raw,cache=none,aio=io_uring,detect-zeroes=unmap' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
-device 'virtio-net-pci,mac=A2:C0:43:77:08:A1,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300' \