Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Jeff Cody jc...@redhat.com
---
block/backup.c | 13 +
blockjob.c | 10 ++
include/block
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
include/qemu/option.h | 2 ++
util/qemu-option.c| 44
2 files changed, 46 insertions
ignore it. If all children's getlength return -errno,
and be ignored, return 0.
Usage: children.x.ignore-errors=true
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Alberto Garcia
In some cases, we want to take a quorum child offline, and take
another child online.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 39
the comments from Max Reitz and Eric Blake
Wen Congyang (17):
Add new block driver interface to add/delete a BDS's child
quorum: implement block driver interfaces add/delete a BDS's child
hmp: add monitor command to add/remove a child
introduce a new API qemu_opts_absorb_qdict_by_index
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/Makefile.objs | 1 +
block/replication.c | 443
2 files changed, 444
On 06/27/2015 03:03 AM, Dr. David Alan Gilbert wrote:
* Wen Congyang (we...@cn.fujitsu.com) wrote:
On 06/24/2015 10:07 PM, Dr. David Alan Gilbert wrote:
* Wen Congyang (ghost...@gmail.com) wrote:
At 2015/6/19 18:49, Stefan Hajnoczi Wrote:
On Fri, Jun 19, 2015 at 08:54:56AM +0800, Wen Congyang
On 06/26/2015 11:16 PM, Max Reitz wrote:
On 26.06.2015 16:27, Wen Congyang wrote:
At 2015/6/26 21:47, Max Reitz Wrote:
On 25.06.2015 08:41, Wen Congyang wrote:
We can use block job mirror to repair broken quorum files. But the
command
'info block' doesn't output correct filename after block
it, and it is not a simple work.
2. For HA/FT, we will use migration to implement checkpoint. We should
enable hot-plug when HA/FT is running. There are too many works to do
to make it work. The first step is to fix the problem.
Thanks
Wen Congyang
Regards,
-Gonglei
we can reproduced
At 2015/6/26 21:47, Max Reitz Wrote:
On 25.06.2015 08:41, Wen Congyang wrote:
We can use block job mirror to repair broken quorum files. But the
command
'info block' doesn't output correct filename after block job mirror
finishes.
Which filename? The quorum filename is broken after this patch
will overflow and lead qemu abort
unexpectedly.
Signed-off-by: Li Zhijian lizhij...@cn.fujitsu.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Just curious, how are you testing this?
because you need a way of doing the hot-plug kind of atomically on
both source and destination
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block.c | 5 +++--
block/mirror.c| 3 ++-
blockdev.c| 2 +-
include/block/block.h | 3 ++-
4 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/block.c b/block.c
index 7168575..70ee0f6 100644
We can use block job mirror to repair broken quorum files. But the command
'info block' doesn't output correct filename after block job mirror finishes.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block/mirror.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/block/mirror.c b
On 06/24/2015 10:07 PM, Dr. David Alan Gilbert wrote:
* Wen Congyang (ghost...@gmail.com) wrote:
At 2015/6/19 18:49, Stefan Hajnoczi Wrote:
On Fri, Jun 19, 2015 at 08:54:56AM +0800, Wen Congyang wrote:
On 06/19/2015 12:06 AM, Stefan Hajnoczi wrote:
On Thu, Jun 18, 2015 at 10:36:39PM +0800
At 2015/6/23 21:42, Stefan Hajnoczi Wrote:
On Mon, Jun 22, 2015 at 09:56:24PM +0800, Wen Congyang wrote:
The NBD connect should not be performed during downtime, regardless of
whether a monitor command is used or not.
Why?
NBD connection establishment takes unbounded time. It can extend
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)
+{
+BlockDriver
On 06/19/2015 06:49 PM, Stefan Hajnoczi wrote:
On Fri, Jun 19, 2015 at 08:54:56AM +0800, Wen Congyang wrote:
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
Ping again.
This patch is bugfix. The old discussion is here:
http://lists.nongnu.org/archive/html/qemu-devel/2015-02/msg00245.html
On 05/21/2015 09:50 AM, Wen Congyang wrote:
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
include/qemu/iov.h | 2 +-
util/iov.c | 14
At 2015/6/22 20:39, Stefan Hajnoczi Wrote:
On Sat, Jun 20, 2015 at 11:31:52AM +0800, Wen Congyang wrote:
At 2015/6/19 18:49, Stefan Hajnoczi Wrote:
On Fri, Jun 19, 2015 at 08:54:56AM +0800, Wen Congyang wrote:
On 06/19/2015 12:06 AM, Stefan Hajnoczi wrote:
On Thu, Jun 18, 2015 at 10:36:39PM
At 2015/6/19 18:49, Stefan Hajnoczi Wrote:
On Fri, Jun 19, 2015 at 08:54:56AM +0800, Wen Congyang wrote:
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
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:
{virtio-blk dev
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-file
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 we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 9 +
1
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)
+{
+BlockDriver
disk and nbd target uses the same AioContext
4. Add a testcase to test new hbitmap API
V2:
1. Redesign the secondary qemu(use image-fleecing)
2. Use Error objects to return error message
3. Address the comments from Max Reitz and Eric Blake
Wen Congyang (16):
docs: block replication's description
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 we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Luiz Capitulino lcapitul...@redhat.com
Cc: Michael Roth mdr...@linux.vnet.ibm.com
Reviewed-by: Paolo Bonzini pbonz...@redhat.com
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 40 +++-
1 file changed, 39 insertions(+), 1 deletion(-)
diff --git a/block.c b/block.c
When opening BDS, we need to create backup jobs for
image-fleecing.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Jeff Cody jc...@redhat.com
---
block/Makefile.objs | 2 +-
1 file
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yang Hongyang yan...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
docs/block-replication.txt | 179 +
1 file
is hidden-disk, and hidden-disk's backing file is Y.
Disk Y may be opened or reopened in read-write mode, so A block backup
job is automatically created: source is Y and target is hidden disk.
Active disk X, hidden disk, and Y are all on the same AioContext.
Signed-off-by: Wen Congyang we
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
blockdev.c| 8
include/block/block.h | 1 +
qemu-options.hx | 4
3 files changed, 13 insertions(+)
diff
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Jeff Cody jc...@redhat.com
---
block/backup.c | 13 +
blockjob.c | 10 ++
include/block
ignore it. If all children's getlength return -errno,
and be ignored, return 0.
Usage: children.x.ignore-errors=true
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/quorum.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/block.c b/block.c
index d1ed227..0b41af4 100644
--- a/block.c
+++ b
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/quorum.c | 78 ++
1 file changed, 78 insertions(+)
diff --git a/block
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 12
1 file changed, 12 insertions(+)
diff --git a/block.c b/block.c
index 06222bf..2108d02 100644
--- a/block.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/Makefile.objs | 1 +
block/replication.c | 441
2 files changed, 442
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
include/qemu/option.h | 2 ++
util/qemu-option.c| 44
2 files changed, 46 insertions
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/nbd.c | 67 -
1 file changed, 49 insertions(+), 18 deletions(-)
diff
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 we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong
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/primary
Ping...
On 05/15/2015 03:51 PM, Wen Congyang wrote:
If bus_size is less than 0, the command fails.
If buf_size is 0, use DEFAULT_MIRROR_BUF_SIZE.
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Reviewed
it here.
Thanks
Wen Congyang
On 06/09/2015 05:49 PM, Kevin Wolf wrote:
Am 09.06.2015 um 11:47 hat Wen Congyang geschrieben:
On 06/09/2015 04:55 PM, Kevin Wolf wrote:
Image files with an unaligned image size have a final hole that starts
at EOF, i.e. in the middle of a sector. Currently, *pnum == 0 is
returned when
-qmp.id) {
qdict_put_obj(qmp, id, mon-qmp.id);
mon-qmp.id = NULL;
}
So I think there is no problems for virt-test.
Thanks
Wen Congyang
Paolo
/+attachment/4410103/+files/0001-monitor-Allow-Xen-s-broken-usage-of-asynchronous-com.patch
Please try this patch:
From 061dc4ed1012726fc0b8e1c6d0a784476f5c6d48 Mon Sep 17 00:00:00 2001
From: Wen Congyang we...@cn.fujitsu.com
Date: Fri, 5 Jun 2015 16:17:18 +0800
Subject: [PATCH] monitor: Allow the id
reverted.
Thanks
Wen Congyang
Regards,
-Lukas
On 05/13/2015 02:40 PM, Fam Zheng wrote:
On Wed, 05/13 13:17, Wen Congyang wrote:
On 05/13/2015 11:11 AM, Fam Zheng wrote:
Before, we only yield after initializing dirty bitmap, where the QMP
command would return. That may take very long, and guest IO will be
blocked.
Do you have such case
(Stopped with ^C)
Do you use the same filesystem?
Thanks
Wen Congyang
Strace on O3-3:
https://gist.github.com/anonymous/f221035e9176f7c71c74
Strace on dinah:
https://gist.github.com/anonymous/40b42888a65478c90b32
A git bisect between 1.7 and master revealed
On 05/28/2015 12:59 PM, Wen Congyang wrote:
Ping...
Does anybody have time to review it.
Thanks
Wen Congyang
On 05/21/2015 12:52 PM, Wen Congyang wrote:
Block replication is a very important feature which is used for
continuous checkpoints(for example: COLO).
Usage:
Please refer
: %ld\n, __func__, count);
+
+ if (dataoff isize) {
+ pr_info(%s() returns -ENXIO\n, __func__);
return -ENXIO;
+ }
return vfs_setpos(file, dataoff, maxsize);
}
We will call the syscall lseek(..., SEEK_DATA) 500 times.
Thanks
Wen Congyang
?
install; it failed the comparison every time; it took me a while to
figure out
why, but it generates a unique token in it's javascript each time (for
a password reset
link), and I guess the randomness used by that doesn't match on the
two hosts.
Yes.
Thanks
Wen Congyang
On 05/27/2015 08:31 PM, Kevin Wolf wrote:
Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben:
On 05/09/2015 01:21 AM, Kevin Wolf wrote:
For bs-file, using references to existing BDSes has been possible for a
while already. This patch enables the same for bs-backing_hd.
1. We reference
On 05/29/2015 04:42 PM, Dr. David Alan Gilbert wrote:
* zhanghailiang (zhang.zhanghaili...@huawei.com) wrote:
On 2015/5/29 9:29, Wen Congyang wrote:
On 05/29/2015 12:24 AM, Dr. David Alan Gilbert wrote:
* zhanghailiang (zhang.zhanghaili...@huawei.com) wrote:
This is the 5th version of COLO
and
older e58e5152b74945871b00a88164901c0d46e6365e tags on colo-proxy.
I'm not sure of the right fix; perhaps it might be possible to replace the
synchronize_rcu in colo_node_release by a call_rcu that does the kfree later?
I agree with it.
Thanks
Wen Congyang
Thanks,
Dave
,
+ const BdrvChildRole *child_role,
+ BlockDriver *drv, Error **errp);
The function name in patch title is wrong.
Thanks
Wen Congyang
On 05/28/2015 05:48 PM, Kevin Wolf wrote:
Am 28.05.2015 um 02:59 hat Wen Congyang geschrieben:
On 05/27/2015 08:31 PM, Kevin Wolf wrote:
Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben:
On 05/09/2015 01:21 AM, Kevin Wolf wrote:
For bs-file, using references to existing BDSes has been
On 05/27/2015 08:31 PM, Kevin Wolf wrote:
Am 21.05.2015 um 07:47 hat Wen Congyang geschrieben:
On 05/09/2015 01:21 AM, Kevin Wolf wrote:
For bs-file, using references to existing BDSes has been possible for a
while already. This patch enables the same for bs-backing_hd.
1. We reference
Ping...
On 05/21/2015 12:52 PM, Wen Congyang wrote:
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
Ping...
On 05/21/2015 09:50 AM, Wen Congyang wrote:
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
include/qemu/iov.h | 2 +-
util/iov.c | 14 +-
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/qemu/iov.h b/include/qemu/iov.h
index
Hi, Paolo, Kevin
Who will take this patch?
Thanks
Wen Congyang
On 05/22/2015 09:29 AM, Wen Congyang wrote:
The function bdrv_clear_dirty_bitmap() is updated to use
faster hbitmap_reset_all() call.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang
On 05/21/2015 08:44 PM, Fam Zheng wrote:
On Thu, 05/21 16:00, Wen Congyang wrote:
On 05/21/2015 02:42 PM, Fam Zheng wrote:
It blocks device IO.
Does tt only block virtio-blk/scsi? Not all block types?
It's only necessary for dataplane enabled devices, which are virtio-blk and
virtio-scsi
On 05/21/2015 02:42 PM, Fam Zheng wrote:
It blocks device IO.
Does tt only block virtio-blk/scsi? Not all block types?
Thanks
Wen Congyang
All bdrv_op_block_all/blk_op_block_all callers are taken care of:
- virtio_blk_data_plane_create
- virtio_scsi_hotplug
Device creation, unblock
On 05/21/2015 12:31 AM, Andrey Korolyov wrote:
On Thu, May 14, 2015 at 6:38 PM, Dr. David Alan Gilbert
dgilb...@redhat.com wrote:
* Wen Congyang (ghost...@gmail.com) wrote:
At 2015/5/14 19:19, Dr. David Alan Gilbert Wrote:
One thing I wanted to check I understand; how much RAM do the active
On 05/21/2015 12:52 PM, Wen Congyang wrote:
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
is OK.
- backup_start
Blocking target when backup is running, unblock it.
Do you forget it?
- mirror_complete
Blocking s-to_replace until mirror_exit, OK.
- block_job_complete
The block job may be long running. Unblock it.
It should be block_job_create()
Thanks
Wen
The function bdrv_clear_dirty_bitmap() is updated to use
faster hbitmap_reset_all() call.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Acked-by: Paolo Bonzini pbonz...@redhat.com
On 05/21/2015 03:18 AM, Dr. David Alan Gilbert wrote:
* Wen Congyang (we...@cn.fujitsu.com) wrote:
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
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 33 -
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/block.c b/block.c
index
objects to return error message
3. Address the comments from Max Reitz and Eric Blake
Wen Congyang (15):
docs: block replication's description
allow writing to the backing file
Allow creating backup jobs when opening BDS
block: Parse backing_reference option to reference existing BDS
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: Yang Hongyang yan...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
docs/block-replication.txt | 179 +
1 file
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/quorum.c | 78 ++
1 file changed, 78 insertions(+)
diff --git a/block
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Jeff Cody jc...@redhat.com
---
block/backup.c | 13 +
blockjob.c | 10 ++
include/block
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/Makefile.objs | 1 +
block/replication.c | 441
2 files changed, 442
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
include/qemu/iov.h | 2 +-
util/iov.c | 14 +-
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/qemu/iov.h b/include/qemu/iov.h
index 68d25f2..569b2c2 100644
--- a/include/qemu/iov.h
+++ b/include
ignore it. If all children's getlength return -errno,
and be ignored, return 0.
Usage: children.x.ignore-errors=true
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/quorum.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
blockdev.c| 8
include/block/block.h | 1 +
qemu-options.hx | 4
3 files changed, 13 insertions(+)
diff
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/block.c b/block.c
index 220ba9a..1b362ba 100644
--- a/block.c
+++ b
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/nbd.c | 67 -
1 file changed, 49 insertions(+), 18 deletions(-)
diff
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 we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong
is hidden-disk, and hidden-disk's backing file is Y.
Disk Y may be opened or reopened in read-write mode, so A block backup
job is automatically created: source is Y and target is hidden disk.
Active disk X, hidden disk, and Y are all on the same AioContext.
Signed-off-by: Wen Congyang we
When opening BDS, we need to create backup jobs for
image-fleecing.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Jeff Cody jc...@redhat.com
---
block/Makefile.objs | 2 +-
1 file
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
Cc: Luiz Capitulino lcapitul...@redhat.com
Cc: Michael Roth mdr...@linux.vnet.ibm.com
Reviewed-by: Paolo Bonzini pbonz...@redhat.com
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 we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 12
1 file changed, 12 insertions(+)
diff --git a/block.c b/block.c
index 74fd3d6..961e395 100644
--- a/block.c
be not NULL now? If we do an active commit
to this backing file(use mirror job), we will call bdrv_swap() in
mirror_exit(), and the function bdrv_swap() doesn't allow that
new_bs-blk(here is bs-backing_hd) is not NULL.
Thanks
Wen Congyang
Signed-off-by: Kevin Wolf kw...@redhat.com
---
block.c
On 05/15/2015 02:45 PM, Paolo Bonzini wrote:
On 15/05/2015 03:37, Wen Congyang wrote:
If bus_size is less than 0, the command fails.
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block/mirror.c | 6
is scheduled? If the answer is yes, I think
we should use this to block the guest's disk I/O.
Thanks
Wen Congyang
All bdrv_op_block_all/blk_op_block_all callers are taken care of:
- virtio_blk_data_plane_create
- virtio_scsi_hotplug
Device creation, unblock it.
- bdrv_set_backing_hd
If bus_size is less than 0, the command fails.
If buf_size is 0, use DEFAULT_MIRROR_BUF_SIZE.
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Reviewed-by: Fam Zheng f...@redhat.com
---
block/mirror.c | 11
locations on the disk); how big are the active and hidden
disks in RAM - are they 10MB or 20MB?
10MB, we will make active and hidden disks empty when doing checkpoint.
Thanks
Wen Congyang
If bus_size is less than 0, the command fails.
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block/mirror.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/block/mirror.c b/block
On 05/14/2015 03:16 PM, Gonglei wrote:
On 2015/5/8 17:15, Wen Congyang wrote:
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block.c | 31 ++-
1 file
On 05/14/2015 04:16 PM, Gonglei wrote:
On 2015/5/8 17:16, Wen Congyang wrote:
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Signed-off-by: zhanghailiang zhang.zhanghaili...@huawei.com
Signed-off-by: Gonglei arei.gong...@huawei.com
---
block/nbd.c | 65
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block/mirror.c | 4
1 file changed, 4 insertions(+)
diff --git a/block/mirror.c b/block/mirror.c
index 58f391a..bb6bc27 100644
--- a/block/mirror.c
+++ b
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
---
block/mirror.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/mirror.c b/block/mirror.c
index 58f391a..9521212 100644
--- a/block
If bus_size is less than 0, the command fails.
If buf_size % granularity is not 0, mirror_free_init() will
do dangerous things.
Signed-off-by: Wen Congyang we...@cn.fujitsu.com
Reviewed-by: Fam Zheng f...@redhat.com
---
block/mirror.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion
to read from bs to do backup!!
If the mode is none, you also need to write to bs!!
Thanks
Wen Congyang
qmp_blockdev_backup(backup-device, backup-target,
backup-sync,
backup-has_speed, backup-speed,
@@ -1696,7 +1701,6 @@ static void
)) {
+return -EBUSY;
+}
+
The guest doesn't know this status, so how do we prevent it? If it
is virtio disk, you wait it, but if it is the other disks, what is
the behavior?
Thanks
Wen Congyang
return blk_check_byte_request(blk, sector_num * BDRV_SECTOR_SIZE
On 05/13/2015 08:55 PM, Fam Zheng wrote:
On Wed, 05/13 19:22, Wen Congyang wrote:
On 05/14/2015 01:28 AM, Fam Zheng wrote:
Signed-off-by: Fam Zheng f...@redhat.com
---
blockdev.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/blockdev.c b/blockdev.c
index
401 - 500 of 1184 matches
Mail list logo
