* Changlong Xie (xiecl.f...@cn.fujitsu.com) wrote:
> On 02/01/2016 09:18 AM, Wen Congyang wrote:
> >On 01/29/2016 06:47 PM, Dr. David Alan Gilbert wrote:
> >>* Wen Congyang (we...@cn.fujitsu.com) wrote:
> >>>On 01/29/2016 06:07 PM, Dr. David Alan Gilbert wrote:
> * Wen Congyang (we...@cn.fujits
On 02/04/2016 05:07 PM, Dr. David Alan Gilbert wrote:
> * Changlong Xie (xiecl.f...@cn.fujitsu.com) wrote:
>> On 02/01/2016 09:18 AM, Wen Congyang wrote:
>>> On 01/29/2016 06:47 PM, Dr. David Alan Gilbert wrote:
* Wen Congyang (we...@cn.fujitsu.com) wrote:
> On 01/29/2016 06:07 PM, Dr. Dav
On 02/04/2016 05:07 PM, Dr. David Alan Gilbert wrote:
* Changlong Xie (xiecl.f...@cn.fujitsu.com) wrote:
On 02/01/2016 09:18 AM, Wen Congyang wrote:
On 01/29/2016 06:47 PM, Dr. David Alan Gilbert wrote:
* Wen Congyang (we...@cn.fujitsu.com) wrote:
On 01/29/2016 06:07 PM, Dr. David Alan Gilber
On 04/02/2016 00:48, John Snow wrote:
> cpu_to_be64w can't be used to make unaligned stores, but stq_be_p can.
> The other stores in this routine are left alone, they're aligned already.
>
> Signed-off-by: John Snow
> ---
> nbd/server.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
On 03/02/2016 17:48, Eric Blake wrote:
> On 02/03/2016 09:33 AM, Max Reitz wrote:
>> We have to introduce a new object (BlockdevOptionsNbd) for
>> several reasons: - Neither of InetSocketAddress nor
>> UnixSocketAddress alone is sufficient, because both are
>> supported - We cannot use SocketAddr
On 03/02/2016 18:16, Max Reitz wrote:
> However, the issue remains that the NBD block driver expects
> flattened options which is syntactically incompatible to
> SocketAddress. Maybe the best way to address this would be to just
> make block/nbd.c directly accept a SocketAddress and keep the old
Am 04.02.2016 um 00:38 hat John Snow geschrieben:
> Commit 16b0d555 introduced an issue where we are not initializing
> has_filename for the 'next' MapEntry object, which leads to interesting
> errors in Valgrind and Clang -fsanitize=undefined both.
>
> Zero the stack object at allocation AND make
Am 03.02.2016 um 18:06 hat Daniel P. Berrange geschrieben:
> On Wed, Feb 03, 2016 at 05:33:16PM +0100, Max Reitz wrote:
> > We have to introduce a new object (BlockdevOptionsNbd) for several
> > reasons:
> > - Neither of InetSocketAddress nor UnixSocketAddress alone is
> > sufficient, because bot
On Thu, Feb 04, 2016 at 02:08:23PM +0100, Kevin Wolf wrote:
> Am 03.02.2016 um 18:06 hat Daniel P. Berrange geschrieben:
> > On Wed, Feb 03, 2016 at 05:33:16PM +0100, Max Reitz wrote:
> > > We have to introduce a new object (BlockdevOptionsNbd) for several
> > > reasons:
> > > - Neither of InetSock
Am 02.02.2016 um 13:57 hat Daniel P. Berrange geschrieben:
> Currently qemu-img allows an image filename to be passed on the
> command line, but unless using the JSON format, it does not have
> a way to set any options except the format eg
>
>qemu-img info https://127.0.0.1/images/centos7.iso
Am 02.02.2016 um 13:57 hat Daniel P. Berrange geschrieben:
> This series of patches expands the syntax of the qemu-img,
> qemu-nbd and qemu-io commands to make them more flexible.
>
> v0: https://lists.gnu.org/archive/html/qemu-devel/2015-10/msg04365.html
> v1: https://lists.gnu.org/archive/ht
On 02/04/2016 05:27 AM, Paolo Bonzini wrote:
>
>
> On 04/02/2016 00:48, John Snow wrote:
>> cpu_to_be64w can't be used to make unaligned stores, but stq_be_p can.
>> The other stores in this routine are left alone, they're aligned already.
>>
>> Signed-off-by: John Snow
>> ---
>> nbd/server.c
On Thu, Feb 04, 2016 at 04:42:06PM +0100, Kevin Wolf wrote:
> Am 02.02.2016 um 13:57 hat Daniel P. Berrange geschrieben:
> > Currently qemu-img allows an image filename to be passed on the
> > command line, but unless using the JSON format, it does not have
> > a way to set any options except the f
On Thu, Feb 04, 2016 at 08:59:56AM -0700, Eric Blake wrote:
> On 02/02/2016 05:57 AM, Daniel P. Berrange wrote:
> > Currently qemu-img allows an image filename to be passed on the
> > command line, but unless using the JSON format, it does not have
> > a way to set any options except the format eg
On 02/04/2016 07:43 AM, Kevin Wolf wrote:
> Am 04.02.2016 um 00:38 hat John Snow geschrieben:
>> Commit 16b0d555 introduced an issue where we are not initializing
>> has_filename for the 'next' MapEntry object, which leads to interesting
>> errors in Valgrind and Clang -fsanitize=undefined both.
On 04/02/2016 16:45, John Snow wrote:
>
>
> On 02/04/2016 05:27 AM, Paolo Bonzini wrote:
>>
>>
>> On 04/02/2016 00:48, John Snow wrote:
>>> cpu_to_be64w can't be used to make unaligned stores, but stq_be_p can.
>>> The other stores in this routine are left alone, they're aligned already.
>>>
>>
On 02/02/2016 05:57 AM, Daniel P. Berrange wrote:
> Currently qemu-img allows an image filename to be passed on the
> command line, but unless using the JSON format, it does not have
> a way to set any options except the format eg
>
>qemu-img info https://127.0.0.1/images/centos7.iso
>
> This
On 21/01/2016 15:19, Daniel P. Berrange wrote:
> This series was previously posted:
>
> v1: https://lists.gnu.org/archive/html/qemu-devel/2015-10/msg04365.html
> v2: https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg03809.html
> v3: https://lists.gnu.org/archive/html/qemu-devel/2016
On Thu, Feb 04, 2016 at 05:06:06PM +0100, Kevin Wolf wrote:
> Am 04.02.2016 um 16:47 hat Daniel P. Berrange geschrieben:
> > On Thu, Feb 04, 2016 at 04:42:06PM +0100, Kevin Wolf wrote:
> > > Am 02.02.2016 um 13:57 hat Daniel P. Berrange geschrieben:
> > > > @@ -1956,7 +2034,13 @@ static int img_con
Am 04.02.2016 um 16:47 hat Daniel P. Berrange geschrieben:
> On Thu, Feb 04, 2016 at 04:42:06PM +0100, Kevin Wolf wrote:
> > Am 02.02.2016 um 13:57 hat Daniel P. Berrange geschrieben:
> > > @@ -1956,7 +2034,13 @@ static int img_convert(int argc, char **argv)
> > > goto out;
> > > }
>
On 01/20/2016 10:38 AM, Daniel P. Berrange wrote:
> There are three backend impls provided. The preferred
> is gnutls, which is backed by nettle in modern distros.
> The gcrypt impl is provided for cases where QEMU build
> against gnutls is disabled, but crypto is still desired.
> No nettle impl is
On 02/03/2016 08:54 AM, Programmingkid wrote:
>> Oops, I shouldn't be writing emails late at night. Let's try this again.
>
> So you want this:
>
> #if defined(__APPLE__) && defined(__MACH__)
> if (*bsd_path) {
> filename = bsd_path;
> }
> /* if a physical de
On 01/20/2016 10:38 AM, Daniel P. Berrange wrote:
> The LUKS data format includes use of PBKDF2 (Password-Based
> Key Derivation Function). The Nettle library can provide
> an implementation of this, but we don't want code directly
> depending on a specific crypto library backend. Introduce
> a inc
On 01/20/2016 10:38 AM, Daniel P. Berrange wrote:
> There are a number of different algorithms that can be used
> to generate initialization vectors for disk encryption. This
> introduces a simple internal QCryptoBlockIV object to provide
> a consistent internal API to the different algorithms. The
On 22/01/2016 23:38, Max Reitz wrote:
> On 22.01.2016 15:01, Paolo Bonzini wrote:
>>
>>
>> On 08/01/2016 18:37, Paolo Bonzini wrote:
>>> In short, this patch gets rid of blockdev_mark_auto_del and
>>> blockdev_auto_del.
>>>
>>> With these patches, it is possible to create a new -drive with the sa
On 01/20/2016 10:38 AM, Daniel P. Berrange wrote:
> The LUKS format specifies an anti-forensic split algorithm which
> is used to artificially expand the size of the key material on
> disk. This is an implementation of that algorithm.
>
> Signed-off-by: Daniel P. Berrange
> ---
> crypto/Makefile
On 01/20/2016 10:38 AM, Daniel P. Berrange wrote:
> Add a generic framework for support different block encryption
> formats. Upon instantiating a QCryptoBlock object, it will read
> the encryption header and extract the encryption keys. It is
> then possible to call methods to encrypt/decrypt data
Mac OS X can be picky when it comes to allowing the user
to use physical devices in QEMU. Most mounted volumes
appear to be off limits to QEMU. If an issue is detected,
a message is displayed showing the user how to unmount a
volume. Now QEMU uses both CD and DVD media.
Signed-off-by: John Arbuckl
The "pnum < nb_sectors" condition in deciding whether to actually copy
data is unnecessarily strict, and the qiov initialization is
unnecessarily for bdrv_aio_write_zeroes and bdrv_aio_discard.
Rewrite mirror_iteration to fix both flaws.
The output of iotests 109 is updated because we now report
v12: Treat target cluster size as BDRV_SECTOR_SIZE if bdrv_get_info failed or
doesn't set bdi.cluster_size;
v11: Rebase. The only difference is the "file" parameter of
bdrv_get_block_status_above.
Patch 1 rewrites mirror_iteration. Patch 2 is a small DRY cleaning up.
The main benefit i
The three lines are duplicated a number of times now, refactor a
function.
Signed-off-by: Fam Zheng
Reviewed-by: Max Reitz
---
block/mirror.c | 24
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/block/mirror.c b/block/mirror.c
index 48cd0b3..9635fa8 100
From: Paolo Bonzini
Allocate the arrays for in_addr/out_addr/in_sg/out_sg outside the
VirtQueueElement. For now, virtqueue_pop and vring_pop keep
allocating a very large VirtQueueElement.
Reviewed-by: Cornelia Huck
Signed-off-by: Paolo Bonzini
Reviewed-by: Michael S. Tsirkin
Signed-off-by: M
From: Paolo Bonzini
Build the addresses and s/g lists on the stack, and then copy them
to a VirtQueueElement that is just as big as required to contain this
particular s/g list. The cost of the copy is minimal compared to that
of a large malloc.
Reviewed-by: Cornelia Huck
Signed-off-by: Paolo
This avoids a 'change' command from the monitor unlink()ing the new
file if the bdrv was previously snapshotted.
Signed-off-by: Alyssa Milburn
---
blockdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/blockdev.c b/blockdev.c
index be4ca44..d39c2e6 100644
--- a/blockdev.c
+++ b/blockdev.
From: Roman Kagan
Make it possible to query the geometry and the CMOS type of a floppy
drive outside of the respective source files.
It will be useful, in particular, when dynamically building ACPI tables,
and will allow to properly populate the corresponding ACPI objects and
thus enable BIOS-le
From: Paolo Bonzini
The return code of virtqueue_pop/vring_pop is unused except to check for
errors or 0. We can thus easily move allocation inside the functions
and just return a pointer to the VirtQueueElement.
The advantage is that we will be able to allocate only the space that
is needed fo
From: Paolo Bonzini
Move allocation to virtio functions also when loading/saving a
VirtQueueElement. This will also let the load/save functions
keep backwards compatibility when the VirtQueueElement layout
is changed.
Reviewed-by: Cornelia Huck
Signed-off-by: Paolo Bonzini
Reviewed-by: Michae
From: Wen Congyang
Auto complete mirror job in background to prevent from
blocking synchronously
Signed-off-by: Wen Congyang
Signed-off-by: Changlong Xie
---
block/mirror.c| 13 +
blockdev.c| 2 +-
include/block/block_int.h | 3 ++-
qemu-img.c
From: Wen Congyang
We need to access the parent BDS to get the root BDS.
Signed-off-by: Wen Congyang
Signed-off-by: Changlong Xie
---
block.c | 1 +
include/block/block_int.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/block.c b/block.c
index 70ab625..c18b462 10064
From: Wen Congyang
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
---
docs/block-replication.txt | 238 +
1 file changed, 238 insertions(+)
create mode 100644 docs/block-replication.txt
From: Wen Congyang
Signed-off-by: Wen Congyang
Signed-off-by: Changlong Xie
---
block.c | 18 ++
1 file changed, 18 insertions(+)
diff --git a/block.c b/block.c
index a285de5..70ab625 100644
--- a/block.c
+++ b/block.c
@@ -1279,6 +1279,24 @@ void bdrv_set_backing_hd(BlockDrive
From: Wen Congyang
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
---
block/backup.c| 15 +++
include/block/block_int.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/block/backup.c b/block/backup
Block replication is a very important feature which is used for
continuous checkpoints(for example: COLO).
You can get the detailed information about block replication from here:
http://wiki.qemu.org/Features/BlockReplication
Usage:
Please refer to docs/block-replication.txt
This patch series is
From: Wen Congyang
Some programs that add a dependency on it will use
the block layer directly.
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
Reviewed-by: Stefan Hajnoczi
Reviewed-by: Jeff Cody
---
block/Makefile.objs | 2 +-
From: Wen Congyang
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
---
block/Makefile.objs | 1 +
block/replication.c | 594
2 files changed, 595 insertions(+)
create mode 100
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
---
Makefile.objs| 1 +
qapi/block-core.json | 13
replication.c| 94
replication.h| 53 ++
From: Wen Congyang
Signed-off-by: Wen Congyang
Signed-off-by: zhanghailiang
Signed-off-by: Gonglei
Signed-off-by: Changlong Xie
Reviewed-by: Eric Blake
---
qapi/block-core.json | 20 ++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/qapi/block-core.json b/q
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