On Tue, Sep 27, 2022 at 10:11:24PM +0800, Ming Lei wrote:
> On Tue, Sep 27, 2022 at 10:42:45AM +0100, Richard W.M. Jones wrote:
> > On Wed, Sep 14, 2022 at 09:47:49AM +0800, Ming Lei wrote:
> > > FYI, I plan to stabilize libublksrv's API in 1.0 release, which
> > > shouldn't take long.
> > >
> > >
On Tue, Sep 27, 2022 at 10:42:45AM +0100, Richard W.M. Jones wrote:
> On Wed, Sep 14, 2022 at 09:47:49AM +0800, Ming Lei wrote:
> > FYI, I plan to stabilize libublksrv's API in 1.0 release, which
> > shouldn't take long.
> >
> > And recently I did some API changes, so suggest you to update with
>
On Tue, Sep 27, 2022 at 10:42:45AM +0100, Richard W.M. Jones wrote:
> On Wed, Sep 14, 2022 at 09:47:49AM +0800, Ming Lei wrote:
> > FYI, I plan to stabilize libublksrv's API in 1.0 release, which
> > shouldn't take long.
> >
> > And recently I did some API changes, so suggest you to update with
>
On Wed, Sep 14, 2022 at 09:47:49AM +0800, Ming Lei wrote:
> FYI, I plan to stabilize libublksrv's API in 1.0 release, which
> shouldn't take long.
>
> And recently I did some API changes, so suggest you to update with
> it in both nbdublk and libublksrv.
Just got around to looking at the changes
On Fri, Sep 02, 2022 at 10:42:41AM +0100, Richard W.M. Jones wrote:
> FYI, nbdublk is now available in Fedora Rawhide, along with the
> dependencies liburing 2.2 and ubdsrv.
>
> https://koji.fedoraproject.org/koji/buildinfo?buildID=2056223
>
> Thanks for your help.
Hi Jones,
FYI, I plan to stab
On Mon, Sep 05, 2022 at 08:06:24PM +0800, Ming Lei wrote:
> On Fri, Sep 02, 2022 at 09:06:27AM +0100, Richard W.M. Jones wrote:
> > On Thu, Sep 01, 2022 at 12:14:40PM +0100, Richard W.M. Jones wrote:
> > > On Thu, Sep 01, 2022 at 04:01:39PM +0800, Ming Lei wrote:
> > > > Maybe you should use one nb
On Fri, Sep 02, 2022 at 09:06:27AM +0100, Richard W.M. Jones wrote:
> On Thu, Sep 01, 2022 at 12:14:40PM +0100, Richard W.M. Jones wrote:
> > On Thu, Sep 01, 2022 at 04:01:39PM +0800, Ming Lei wrote:
> > > Maybe you should use one nbd disk, which has the closest code path
> > > with nbdublk.
> >
>
FYI, nbdublk is now available in Fedora Rawhide, along with the
dependencies liburing 2.2 and ubdsrv.
https://koji.fedoraproject.org/koji/buildinfo?buildID=2056223
Thanks for your help.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming a
On Thu, Sep 01, 2022 at 12:14:40PM +0100, Richard W.M. Jones wrote:
> On Thu, Sep 01, 2022 at 04:01:39PM +0800, Ming Lei wrote:
> > Maybe you should use one nbd disk, which has the closest code path
> > with nbdublk.
>
> Good idea - I have started a heavy test using nbd.ko as the
> backing. Let's
On Thu, Sep 01, 2022 at 12:14:40PM +0100, Richard W.M. Jones wrote:
> On Thu, Sep 01, 2022 at 04:01:39PM +0800, Ming Lei wrote:
> > Maybe you should use one nbd disk, which has the closest code path
> > with nbdublk.
>
> Good idea - I have started a heavy test using nbd.ko as the
> backing. Let's
On Thu, Sep 01, 2022 at 04:01:39PM +0800, Ming Lei wrote:
> Maybe you should use one nbd disk, which has the closest code path
> with nbdublk.
Good idea - I have started a heavy test using nbd.ko as the
backing. Let's see what happens after 12 hours or more.
Rich.
--
Richard Jones, Virtualizat
On Wed, Aug 31, 2022 at 12:06:37PM +0100, Richard W.M. Jones wrote:
> On Wed, Aug 31, 2022 at 06:33:25PM +0800, Ming Lei wrote:
> > On Wed, Aug 31, 2022 at 11:22:04AM +0100, Richard W.M. Jones wrote:
> > >
> > > After running those tests for an hour or two I got a nasty kernel
> > > memory corrupt
On Thu, Sep 01, 2022 at 11:26:10AM +0800, Ming Lei wrote:
> On Wed, Aug 31, 2022 at 04:06:16PM +0100, Richard W.M. Jones wrote:
> > I have also added the changes to Fedora:
> >
> > https://koji.fedoraproject.org/koji/taskinfo?taskID=91468555
> >
> > Please consider becoming a Fedora packager so y
On Wed, Aug 31, 2022 at 11:22:04AM +0100, Richard W.M. Jones wrote:
>
> After running those tests for an hour or two I got a nasty kernel
> memory corruption issue in the test VM, see attached.
Another one from running overnight.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://peo
On Wed, Aug 31, 2022 at 04:06:16PM +0100, Richard W.M. Jones wrote:
> On Wed, Aug 31, 2022 at 10:49:42PM +0800, Ming Lei wrote:
> > On Wed, Aug 31, 2022 at 5:41 PM Richard W.M. Jones
> > wrote:
> > >
> > > On Wed, Aug 31, 2022 at 05:29:13PM +0800, Ming Lei wrote:
> > > > I can reproduce it, pleas
On Wed, Aug 31, 2022 at 10:49:42PM +0800, Ming Lei wrote:
> On Wed, Aug 31, 2022 at 5:41 PM Richard W.M. Jones wrote:
> >
> > On Wed, Aug 31, 2022 at 05:29:13PM +0800, Ming Lei wrote:
> > > I can reproduce it, please try the top patch in aio branch, which fixed
> > > hang in my reproducer with you
On Wed, Aug 31, 2022 at 5:41 PM Richard W.M. Jones wrote:
>
> On Wed, Aug 31, 2022 at 05:29:13PM +0800, Ming Lei wrote:
> > I can reproduce it, please try the top patch in aio branch, which fixed
> > hang in my reproducer with your test setting.
> >
> > https://github.com/ming1/ubdsrv/commits/aio
On Wed, Aug 31, 2022 at 06:33:25PM +0800, Ming Lei wrote:
> On Wed, Aug 31, 2022 at 11:22:04AM +0100, Richard W.M. Jones wrote:
> >
> > After running those tests for an hour or two I got a nasty kernel
> > memory corruption issue in the test VM, see attached.
>
> >From the dmesg log, the direct i
On Wed, Aug 31, 2022 at 11:22:04AM +0100, Richard W.M. Jones wrote:
>
> After running those tests for an hour or two I got a nasty kernel
> memory corruption issue in the test VM, see attached.
>From the dmesg log, the direct issue is from zram.
The userspace ublksrv shouldn't trigger this kind
After running those tests for an hour or two I got a nasty kernel
memory corruption issue in the test VM, see attached.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets y
On Wed, Aug 31, 2022 at 05:29:13PM +0800, Ming Lei wrote:
> I can reproduce it, please try the top patch in aio branch, which fixed
> hang in my reproducer with your test setting.
>
> https://github.com/ming1/ubdsrv/commits/aio
(https://github.com/ming1/ubdsrv/commit/0a293b6eb7149dc5ee83e5d07d242
On Wed, Aug 31, 2022 at 10:13:08AM +0100, Richard W.M. Jones wrote:
> On Wed, Aug 31, 2022 at 09:45:45AM +0800, Ming Lei wrote:
> > On Tue, Aug 30, 2022 at 05:13:46PM +0100, Richard W.M. Jones wrote:
> > > On Tue, Aug 30, 2022 at 11:29:26PM +0800, Ming Lei wrote:
> > > > On Tue, Aug 30, 2022 at 03:
On Wed, Aug 31, 2022 at 09:45:45AM +0800, Ming Lei wrote:
> On Tue, Aug 30, 2022 at 05:13:46PM +0100, Richard W.M. Jones wrote:
> > On Tue, Aug 30, 2022 at 11:29:26PM +0800, Ming Lei wrote:
> > > On Tue, Aug 30, 2022 at 03:38:50PM +0100, Richard W.M. Jones wrote:
> > > > On Tue, Aug 30, 2022 at 03:
On Tue, Aug 30, 2022 at 05:13:46PM +0100, Richard W.M. Jones wrote:
> On Tue, Aug 30, 2022 at 11:29:26PM +0800, Ming Lei wrote:
> > On Tue, Aug 30, 2022 at 03:38:50PM +0100, Richard W.M. Jones wrote:
> > > On Tue, Aug 30, 2022 at 03:12:23PM +0800, Ming Lei wrote:
> > > > The patch sent in last emai
On Tue, Aug 30, 2022 at 11:29:26PM +0800, Ming Lei wrote:
> On Tue, Aug 30, 2022 at 03:38:50PM +0100, Richard W.M. Jones wrote:
> > On Tue, Aug 30, 2022 at 03:12:23PM +0800, Ming Lei wrote:
> > > The patch sent in last email may cause io hang on MQ, and follows the
> > > fixed
> > > version:
> >
On Tue, Aug 30, 2022 at 11:29:26PM +0800, Ming Lei wrote:
> On Tue, Aug 30, 2022 at 03:38:50PM +0100, Richard W.M. Jones wrote:
> > On Tue, Aug 30, 2022 at 03:12:23PM +0800, Ming Lei wrote:
> > > The patch sent in last email may cause io hang on MQ, and follows the
> > > fixed
> > > version:
> >
On Tue, Aug 30, 2022 at 03:38:50PM +0100, Richard W.M. Jones wrote:
> On Tue, Aug 30, 2022 at 03:12:23PM +0800, Ming Lei wrote:
> > The patch sent in last email may cause io hang on MQ, and follows the fixed
> > version:
>
> I split this into two commits and cleaned them up and posted them here:
>
On Tue, Aug 30, 2022 at 03:12:23PM +0800, Ming Lei wrote:
> The patch sent in last email may cause io hang on MQ, and follows the fixed
> version:
I split this into two commits and cleaned them up and posted them here:
https://gitlab.com/rwmjones/libnbd/-/commits/nbdublk/
Unfortunately this does
On Tue, Aug 30, 2022 at 11:51:00AM +0100, Richard W.M. Jones wrote:
> On Tue, Aug 30, 2022 at 05:38:35PM +0800, Ming Lei wrote:
> > nbd work thread is created by nbd target code just like before, but
> > the thread is changed to the following way, basically bound with one
> > aio_ctx:
>
> > whil
On Tue, Aug 30, 2022 at 05:38:35PM +0800, Ming Lei wrote:
> nbd work thread is created by nbd target code just like before, but
> the thread is changed to the following way, basically bound with one
> aio_ctx:
> while (!ublksrv_aio_ctx_dead(aio_ctx)) {
> struct aio_list compl;
>
> a
On Tue, Aug 30, 2022 at 10:07:40AM +0100, Richard W.M. Jones wrote:
> On Tue, Aug 30, 2022 at 04:30:40PM +0800, Ming Lei wrote:
> > On Tue, Aug 30, 2022 at 09:04:07AM +0100, Richard W.M. Jones wrote:
> > > On Tue, Aug 30, 2022 at 10:32:02AM +0800, Ming Lei wrote:
> > > > Hi Jones,
> > > >
> > > >
On Tue, Aug 30, 2022 at 04:30:40PM +0800, Ming Lei wrote:
> On Tue, Aug 30, 2022 at 09:04:07AM +0100, Richard W.M. Jones wrote:
> > On Tue, Aug 30, 2022 at 10:32:02AM +0800, Ming Lei wrote:
> > > Hi Jones,
> > >
> > > On Thu, Aug 25, 2022 at 01:10:55PM +0100, Richard W.M. Jones wrote:
> > > > This
On Tue, Aug 30, 2022 at 09:04:07AM +0100, Richard W.M. Jones wrote:
> On Tue, Aug 30, 2022 at 10:32:02AM +0800, Ming Lei wrote:
> > Hi Jones,
> >
> > On Thu, Aug 25, 2022 at 01:10:55PM +0100, Richard W.M. Jones wrote:
> > > This patch adds simple support for a ublk-based NBD client.
> > > It is al
On Tue, Aug 30, 2022 at 10:32:02AM +0800, Ming Lei wrote:
> Hi Jones,
>
> On Thu, Aug 25, 2022 at 01:10:55PM +0100, Richard W.M. Jones wrote:
> > This patch adds simple support for a ublk-based NBD client.
> > It is also available here:
> > https://gitlab.com/rwmjones/libnbd/-/tree/nbdublk/ublk
>
On Tue, Aug 30, 2022 at 10:32:02AM +0800, Ming Lei wrote:
> Hi Jones,
>
> On Thu, Aug 25, 2022 at 01:10:55PM +0100, Richard W.M. Jones wrote:
> > This patch adds simple support for a ublk-based NBD client.
> > It is also available here:
> > https://gitlab.com/rwmjones/libnbd/-/tree/nbdublk/ublk
>
Hi Jones,
On Thu, Aug 25, 2022 at 01:10:55PM +0100, Richard W.M. Jones wrote:
> This patch adds simple support for a ublk-based NBD client.
> It is also available here:
> https://gitlab.com/rwmjones/libnbd/-/tree/nbdublk/ublk
>
> ublk is a way to write Linux block device drivers in userspace:
Ju
FYI here is the asynch version:
https://gitlab.com/rwmjones/libnbd/-/commits/nbdublk/
I kept it as two commits so you can see the differences but obviously
it would be folded into one commit upstream.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read m
---
.gitignore | 3 +
Makefile.am | 3 +-
README.md | 2 +
bash-completion/Makefile.am | 8 +-
bash-completion/nbdsh | 6 +
configure.ac| 20 ++
copy/nbdcopy.pod| 1 +
docs/libnbd.pod |
This patch adds simple support for a ublk-based NBD client.
It is also available here:
https://gitlab.com/rwmjones/libnbd/-/tree/nbdublk/ublk
ublk is a way to write Linux block device drivers in userspace:
https://lwn.net/Articles/903855/
For simplicity of implementation and because I don't curre
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