On Tue, 06/16 14:57, Stefan Hajnoczi wrote:
> On Wed, Jun 10, 2015 at 04:59:44PM +0800, Fam Zheng wrote:
> > diff --git a/iohandler.c b/iohandler.c
> > index 826f713..f5d7704 100644
> > --- a/iohandler.c
> > +++ b/iohandler.c
> > @@ -32,111 +32,39 @@
> > #include
> > #endif
> >
> > -typedef st
On Tue, 06/16 15:15, Stefan Hajnoczi wrote:
> On Wed, Jun 10, 2015 at 04:59:51PM +0800, Fam Zheng wrote:
> > Signed-off-by: Fam Zheng
> > ---
> > main-loop.c | 4 ++--
> > slirp/libslirp.h | 4 ++--
> > slirp/slirp.c| 4 ++--
> > stubs/slirp.c| 4 ++--
> > 4 files changed, 8 insertio
On 06/19/2015 12:06 AM, Stefan Hajnoczi wrote:
> On Thu, Jun 18, 2015 at 10:36:39PM +0800, Wen Congyang wrote:
>> At 2015/6/18 20:55, Stefan Hajnoczi Wrote:
>>> On Thu, Jun 18, 2015 at 04:49:12PM +0800, Wen Congyang wrote:
+void bdrv_connect(BlockDriverState *bs, Error **errp)
+{
+
On 05/20/2015 03:57 AM, Dimitris Aragiorgis wrote:
> Until now, an SG device was identified only by checking if its path
> started with "/dev/sg". Then, hdev_open() set bs->sg accordingly.
> This is very fragile, e.g. it fails with symlinks or relative paths.
> We should rely on the actual properti
On 05/20/2015 03:57 AM, Dimitris Aragiorgis wrote:
> Get rid of several #ifdef DEBUG_FLOPPY and substitute them with
> DPRINTF.
>
> Signed-off-by: Dimitris Aragiorgis
> ---
> block/raw-posix.c | 22 +-
> 1 file changed, 5 insertions(+), 17 deletions(-)
Reviewed-by: Eric Bl
On 05/20/2015 03:57 AM, Dimitris Aragiorgis wrote:
> Building the QEMU tools fails if we #define DEBUG_BLOCK inside
> block/raw-posix.c. Here instead of adding qemu-log.o in block-obj-y
> so that DEBUG_BLOCK_PRINT can be used, we substitute the latter with
> a simple DPRINTF() (that does not cause
This will let us print options in a format that the user would actually
write it on the command line (foo=bar,baz=asd,etc=def), without
prepending a spurious comma at the beginning of the list, or quoting
values unnecessarily. This patch provides the following changes:
* write and id=, if the opti
On Thu, Jun 18, 2015 at 10:36:39PM +0800, Wen Congyang wrote:
> At 2015/6/18 20:55, Stefan Hajnoczi Wrote:
> >On Thu, Jun 18, 2015 at 04:49:12PM +0800, Wen Congyang wrote:
> >>+void bdrv_connect(BlockDriverState *bs, Error **errp)
> >>+{
> >>+BlockDriver *drv = bs->drv;
> >>+
> >>+if (drv &
On Wed, Jun 17, 2015 at 01:37:18PM +0300, Alexander Yarygin wrote:
> Changes in v3:
>- Added aio_context_acquire/aio_context_release around blk_drain() in
> "virtio-blk: Use blk_drain() to drain IO requests" + updated commit
> description
>
> Please update Cc: qemu-stable@ if it nece
At 2015/6/18 20:47, Stefan Hajnoczi Wrote:
On Thu, Jun 18, 2015 at 04:49:11PM +0800, Wen Congyang wrote:
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/block.c b/block.c
index d1ed227.
At 2015/6/18 20:55, Stefan Hajnoczi Wrote:
On Thu, Jun 18, 2015 at 04:49:12PM +0800, Wen Congyang wrote:
+void bdrv_connect(BlockDriverState *bs, Error **errp)
+{
+BlockDriver *drv = bs->drv;
+
+if (drv && drv->bdrv_connect) {
+drv->bdrv_connect(bs, errp);
+} else if (bs->fil
On Thu, Jun 18, 2015 at 04:49:20PM +0800, Wen Congyang wrote:
CCing Alberto Garcia for the quorum block driver.
> If the child is not ready, read/write/getlength/flush will
> return -errno. It is not critical error, and can be ignored:
> 1. read/write:
>Just not report the error event.
> 2. g
On Thu, Jun 18, 2015 at 04:49:18PM +0800, Wen Congyang wrote:
CCing Alberto Garcia for the quorum block driver.
> Signed-off-by: Wen Congyang
> Signed-off-by: zhanghailiang
> Signed-off-by: Gonglei
> ---
> block/quorum.c | 78
> ++
> 1
On Thu, Jun 18, 2015 at 04:49:12PM +0800, Wen Congyang wrote:
> +void bdrv_connect(BlockDriverState *bs, Error **errp)
> +{
> +BlockDriver *drv = bs->drv;
> +
> +if (drv && drv->bdrv_connect) {
> +drv->bdrv_connect(bs, errp);
> +} else if (bs->file) {
> +bdrv_connect(bs-
[adding libvirt, to make sure I capture a design idea]
On 06/18/2015 06:36 AM, Eric Blake wrote:
> On 06/18/2015 06:07 AM, Alberto Garcia wrote:
>> On Thu 18 Jun 2015 01:47:20 PM CEST, Kevin Wolf wrote:
>>
> I believe our conclusion from an earlier version of the series was
> that we need
On Thu, Jun 18, 2015 at 04:49:11PM +0800, Wen Congyang wrote:
> Signed-off-by: Wen Congyang
> Signed-off-by: zhanghailiang
> Signed-off-by: Gonglei
> ---
> block.c | 9 +
> 1 file changed, 9 insertions(+)
>
> diff --git a/block.c b/block.c
> index d1ed227..0b41af4 100644
> --- a/block.
On 06/18/2015 06:07 AM, Alberto Garcia wrote:
> On Thu 18 Jun 2015 01:47:20 PM CEST, Kevin Wolf wrote:
>
I believe our conclusion from an earlier version of the series was
that we need QAPI introspection so that libvirt can detect the
presence of the feature.
Detecting the presence
On Thu 18 Jun 2015 01:47:20 PM CEST, Kevin Wolf wrote:
>> > I believe our conclusion from an earlier version of the series was
>> > that we need QAPI introspection so that libvirt can detect the
>> > presence of the feature.
>>
>> The initial version of this series had an extra 'top' parameter to
Am 18.06.2015 um 13:41 hat Alberto Garcia geschrieben:
> On Thu 18 Jun 2015 12:45:35 PM CEST, Kevin Wolf wrote:
>
> > I believe our conclusion from an earlier version of the series was
> > that we need QAPI introspection so that libvirt can detect the
> > presence of the feature.
>
> The initial
On Thu 18 Jun 2015 12:45:35 PM CEST, Kevin Wolf wrote:
> I believe our conclusion from an earlier version of the series was
> that we need QAPI introspection so that libvirt can detect the
> presence of the feature.
The initial version of this series had an extra 'top' parameter to
decide what im
On 06/18/2015 06:50 PM, Stefan Hajnoczi wrote:
> On Thu, Jun 18, 2015 at 04:49:09PM +0800, Wen Congyang wrote:
>> Usage:
>> -drive file=xxx,id=Y, \
>> -drive
>> file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.*
>>
>> It will create such backing chain:
>>{v
Hi,
did you have the time to take a look at this? Is there anything
pending from my side?
Thanks,
dimara
* Dimitris Aragiorgis [2015-05-29 08:15:34 +0300]:
> Hi,
>
> * Dimitris Aragiorgis [2015-05-20 12:57:34 +0300]:
>
> > Hi all,
> >
> > These four patches make slight changes to the way Q
On Thu, Jun 18, 2015 at 04:49:09PM +0800, Wen Congyang wrote:
> Usage:
> -drive file=xxx,id=Y, \
> -drive
> file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.*
>
> It will create such backing chain:
>{virtio-blk dev 'Y'}
On 06/18/2015 06:34 PM, Stefan Hajnoczi wrote:
> On Thu, Jun 18, 2015 at 04:49:06PM +0800, Wen Congyang wrote:
>> +== Failure Handling ==
>> +There are 6 internal errors when block replication is running:
>> +1. I/O error on primary disk
>> +2. Forwarding primay write requests failed
>
> s/primay/
Am 16.06.2015 um 10:51 hat Alberto Garcia geschrieben:
> Ping...
>
> https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg02580.html
I believe our conclusion from an earlier version of the series was that
we need QAPI introspection so that libvirt can detect the presence of
the feature.
Mark
On Thu, Jun 18, 2015 at 04:49:08PM +0800, Wen Congyang wrote:
> When opening BDS, we need to create backup jobs for
> image-fleecing.
>
> Signed-off-by: Wen Congyang
> Signed-off-by: zhanghailiang
> Signed-off-by: Gonglei
> Cc: Jeff Cody
> ---
> block/Makefile.objs | 2 +-
> 1 file changed, 1
On Thu, Jun 18, 2015 at 04:49:06PM +0800, Wen Congyang wrote:
> +== Failure Handling ==
> +There are 6 internal errors when block replication is running:
> +1. I/O error on primary disk
> +2. Forwarding primay write requests failed
s/primay/primary/
> +3. Bacup failed or writing to secondary disk
Am 18.06.2015 um 10:42 schrieb Kevin Wolf:
Am 18.06.2015 um 10:30 hat Peter Lieven geschrieben:
Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
Thread 2 (Thread 0x75550700 (LWP 2636)):
#0 0x75d87aa3 in ppoll () from /lib/x86_64-linux
Am 18.06.2015 um 11:36 schrieb Stefan Hajnoczi:
On Thu, Jun 18, 2015 at 10:29 AM, Peter Lieven wrote:
Am 18.06.2015 um 10:42 schrieb Kevin Wolf:
Am 18.06.2015 um 10:30 hat Peter Lieven geschrieben:
Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben
On Thu, Jun 18, 2015 at 10:29 AM, Peter Lieven wrote:
> Am 18.06.2015 um 10:42 schrieb Kevin Wolf:
>>
>> Am 18.06.2015 um 10:30 hat Peter Lieven geschrieben:
>>>
>>> Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
>
> Thread 2 (Thre
Am 18.06.2015 um 10:42 schrieb Kevin Wolf:
Am 18.06.2015 um 10:30 hat Peter Lieven geschrieben:
Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
Thread 2 (Thread 0x75550700 (LWP 2636)):
#0 0x75d87aa3 in ppoll () from /lib/x86_64-linux
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block/Makefile.objs | 1 +
block/replication.c | 441
2 files changed, 442 insertions(+)
create mode 100644 block/replication.c
diff --git a/block/Makefil
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block.c | 12
1 file changed, 12 insertions(+)
diff --git a/block.c b/block.c
index 06222bf..2108d02 100644
--- a/block.c
+++ b/block.c
@@ -4430,6 +4430,10 @@ void bdrv_start_replication(BlockDrive
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block/nbd.c | 67 -
1 file changed, 49 insertions(+), 18 deletions(-)
diff --git a/block/nbd.c b/block/nbd.c
index 2176186..bc9477a 100644
--- a/block
Usage:
-drive file=xxx,id=Y, \
-drive
file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.*
It will create such backing chain:
{virtio-blk dev 'Y'}
{virtio-blk dev 'X'}
|
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
include/qemu/option.h | 2 ++
util/qemu-option.c| 44
2 files changed, 46 insertions(+)
diff --git a/include/qemu/option.h b/include/qemu/option.h
index ac0e43b
The secondary qemu starts later than the primary qemu, so we
cannot connect to nbd server in bdrv_open(). Introduce a new
open flags to control it.
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block/nbd.c | 12 +++-
1 file changed, 7 insertions(+)
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block/quorum.c | 78 ++
1 file changed, 78 insertions(+)
diff --git a/block/quorum.c b/block/quorum.c
index 77e55b2..01cfac0 100644
--- a/block/quorum.c
+
If the child is not ready, read/write/getlength/flush will
return -errno. It is not critical error, and can be ignored:
1. read/write:
Just not report the error event.
2. getlength:
just ignore it. If all children's getlength return -errno,
and be ignored, return -EIO.
3. flush:
Just ig
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block.c | 40 +++-
1 file changed, 39 insertions(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 0ffb855..df4cbce 100644
--- a/block.c
+++ b/block.c
@@ -745,6 +745,15
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/block.c b/block.c
index d1ed227..0b41af4 100644
--- a/block.c
+++ b/block.c
@@ -1294,6 +1294,14 @@ static int
bdrv_open_backing_reference_fil
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Cc: Jeff Cody
---
block/backup.c | 13 +
blockjob.c | 10 ++
include/block/blockjob.h | 12
3 files changed, 35 insertions(+)
diff --git a/block/backup.c b/
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Cc: Luiz Capitulino
Cc: Michael Roth
Reviewed-by: Paolo Bonzini
---
block.c | 40
include/block/block.h | 5 +
include/block/block_int.h | 14 ++
Signed-off-by: Wen Congyang
Signed-off-by: Yang Hongyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
docs/block-replication.txt | 179 +
1 file changed, 179 insertions(+)
create mode 100644 docs/block-replication.txt
diff --git a/docs/b
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
blockdev.c| 8
include/block/block.h | 1 +
qemu-options.hx | 4
3 files changed, 13 insertions(+)
diff --git a/blockdev.c b/blockdev.c
index 1cd1b79..07b0477 100644
--- a/blockd
Block replication is a very important feature which is used for
continuous checkpoints(for example: COLO).
Usage:
Please refer to docs/block-replication.txt
You can get the patch here:
https://github.com/wencongyang/qemu-colo/commits/block-replication-v6
The other newest COLO patchse will be sen
In some cases, we want to connect/disconnect the remote target when
we need, not in bdrv_open()/bdrv_close().
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
---
block.c | 24
include/block/block.h | 3 +++
include
When opening BDS, we need to create backup jobs for
image-fleecing.
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Cc: Jeff Cody
---
block/Makefile.objs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/Makefile.objs b/block/Makefile.ob
Am 18.06.2015 um 10:30 hat Peter Lieven geschrieben:
> Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
> >Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
> >>Thread 2 (Thread 0x75550700 (LWP 2636)):
> >>#0 0x75d87aa3 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
> >>No symbol table
Am 18.06.2015 um 09:45 schrieb Kevin Wolf:
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
Thread 2 (Thread 0x75550700 (LWP 2636)):
#0 0x75d87aa3 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1 0x55955d91 in qemu_poll_ns (fds=0x5
Am 18.06.2015 um 09:12 hat Peter Lieven geschrieben:
> Thread 2 (Thread 0x75550700 (LWP 2636)):
> #0 0x75d87aa3 in ppoll () from /lib/x86_64-linux-gnu/libc.so.6
> No symbol table info available.
> #1 0x55955d91 in qemu_poll_ns (fds=0x563889c0, nfds=3,
> timeout=4999424
Am 18.06.2015 um 09:03 schrieb Peter Lieven:
Am 18.06.2015 um 08:59 schrieb Paolo Bonzini:
On 18/06/2015 08:39, Peter Lieven wrote:
It seems like the mainloop is waiting here:
#0 0x7606c89c in __lll_lock_wait ()
from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info avai
Am 18.06.2015 um 08:59 schrieb Paolo Bonzini:
On 18/06/2015 08:39, Peter Lieven wrote:
It seems like the mainloop is waiting here:
#0 0x7606c89c in __lll_lock_wait ()
from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1 0x76068065 in _L_lock_858 (
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