[libvirt] [PATCH 11/12] docs: virsh: Document the IO mode 'io_uring'

Ján Tomko jtomko at redhat.com
Sat Sep 12 10:48:13 UTC 2020

On a Friday in 2020, Lin Ma wrote:
>Signed-off-by: Lin Ma <lma at suse.de>
> docs/manpages/virsh.rst | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>diff --git a/docs/manpages/virsh.rst b/docs/manpages/virsh.rst
>index ca5acf84ca..b8206205f6 100644
>--- a/docs/manpages/virsh.rst
>+++ b/docs/manpages/virsh.rst
>@@ -4521,7 +4521,8 @@ within the existing virtual cdrom or floppy device; consider using
> *sourcetype* can indicate the type of source (block|file)
> *cache* can be one of "default", "none", "writethrough", "writeback",
> "directsync" or "unsafe".
>-*io* controls specific policies on I/O; QEMU guests support "threads" and "native".
>+*io* controls specific policies on I/O; QEMU guests support "threads",
>+"native", "io_uring" since kernel 5.1 and qemu 5.0.

Threads and native were supported even with older QEMUs and kernels.
The phrasing here looks ambiguous.


> *iothread* is the number within the range of domain IOThreads to which
> this disk may be attached (QEMU only).
> *serial* is the serial of disk device. *wwn* is the wwn of disk device.
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