On 08/03/2012 01:49 AM, Luiz Capitulino wrote:
On Tue, 31 Jul 2012 03:04:22 +0530
Supriya Kannerysupri...@linux.vnet.ibm.com wrote:
+
+void bdrv_reopen_commit(BlockDriverState *bs, BDRVReopenState *rs)
+{
+BlockDriver *drv = bs-drv;
+
+drv-bdrv_reopen_commit(bs, rs);
+}
+
On 08/09/2012 02:43 AM, Jeff Cody wrote:
On 07/30/2012 05:34 PM, Supriya Kannery wrote:
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen respective
image files
On 08/09/2012 06:32 PM, Jeff Cody wrote:
On 08/09/2012 05:20 AM, Kevin Wolf wrote:
Am 09.08.2012 06:26, schrieb Jeff Cody:
On 07/30/2012 05:34 PM, Supriya Kannery wrote:
+
+void bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp)
+{
+BlockDriver *drv = bs-drv;
+int ret
On 07/31/2012 10:47 PM, Eric Blake wrote:
On 07/30/2012 03:34 PM, Supriya Kannery wrote:
+s-fd = dup3(raw_rs-stash_s-fd, s-fd, O_CLOEXEC);
You called it out in your cover letter, but just pointing out that this
is one of the locations that needs a conditional fallback to
dup2
On 08/10/2012 07:15 PM, Corey Bryant wrote:
On 07/30/2012 05:34 PM, Supriya Kannery wrote:
+static int raw_reopen_prepare(BlockDriverState *bs, BDRVReopenState
**prs,
+ int flags)
+{
+ BDRVRawReopenState *raw_rs = g_malloc0(sizeof(BDRVRawReopenState));
+ BDRVRawState *s = bs-opaque
On 08/01/2012 02:03 AM, Jeff Cody wrote:
On 07/30/2012 05:34 PM, Supriya Kannery wrote:
For changing host pagecache setting of a running VM, it is
important to have a safe way of reopening its image file.
Hi Supriya,
I never received patches 6 or 8, either through the list or at my direct
qcow driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Shrinidhi Joshi spjosh...@gmail.com
Index: qemu/block/qcow.c
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen respective
image files.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/block.c
vmdk driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/block/vmdk.c
raw-win32 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Signed-off-by: Shrinidhi Joshi spjosh...@gmail.com
---
Index: qemu/block
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/block/raw.c
qcow2 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/block/qcow2.c
For changing host pagecache setting of a running VM, it is
important to have a safe way of reopening its image file.
V1 introduced:
* a generic way to reopen image files safely.
In this approach, before reopening an image, for each
block driver, its state will be stashed. Incase
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/qapi-schema.json
===
--- qemu.orig/qapi-schema.json
+++ qemu/qapi-schema.json
@@ -453,6 +453,8 @@
# @locked: True if the guest has locked this device
qed driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
Index: qemu/block/qed.c
On 07/11/2012 07:33 PM, Luiz Capitulino wrote:
On Mon, 09 Jul 2012 16:43:40 +0200
Kevin Wolfkw...@redhat.com wrote:
Am 15.06.2012 23:07, schrieb Eric Blake:
On 06/15/2012 02:47 PM, Supriya Kannery wrote:
Enhance info block to display hostcache setting for each
block device
On 07/05/2012 10:08 PM, Jeff Cody wrote:
On 06/15/2012 04:47 PM, Supriya Kannery wrote:
Enhance info block to display hostcache setting for each
block device.
Example:
(qemu) info block
ide0-hd0: removable=0 file=../rhel6-32.raw ro=0 drv=raw encrypted=0
Enhanced to display hostcache setting
On 07/09/2012 08:17 PM, Kevin Wolf wrote:
Am 15.06.2012 22:47, schrieb Supriya Kannery:
New error classes defined for hostcache setting and data
sync error
Signed-off-by: Supriya Kannerysupri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14
On 06/16/2012 03:26 AM, Eric Blake wrote:
On 06/15/2012 02:47 PM, Supriya Kannery wrote:
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcachedevice option
device = block device
option = on/off
Example
On 07/11/2012 07:46 PM, Luiz Capitulino wrote:
On Sat, 16 Jun 2012 02:17:30 +0530
Supriya Kannerysupri...@linux.vnet.ibm.com wrote:
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcachedevice option
device
For changing host pagecache setting of a running VM, it is
important to have a safe way of reopening its image file.
Following patchset introduces:
* a generic way to reopen image files safely.
In this approach, before reopening an image, for each
block driver, its state will be
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 20
qmp-commands.hx |2 ++
2 files changed, 18 insertions(+), 4 deletions(-)
Index: qemu/qapi-schema.json
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
vmdk driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/vmdk.c
qed driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/qed.c
qcow2 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/qcow2.c
On 06/14/2012 11:58 PM, Supriya Kannery wrote:
On 06/14/2012 07:59 PM, Jeff Cody wrote:
On 06/14/2012 10:23 AM, Zhi Hui Li wrote:
On 2012年06月11日 23:37, Jeff Cody wrote:
On 06/11/2012 10:24 AM, Stefan Hajnoczi wrote:
On Mon, Jun 11, 2012 at 1:50 PM, Kevin Wolfkw...@redhat.com wrote:
Am
qcow driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Shrinidhi Joshi spjosh...@gmail.com
Index: qemu/block/qcow.c
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen respective
image files.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block.c
New error classes defined for hostcache setting and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14 insertions(+)
Index: qemu/qerror.c
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/raw.c
raw-win32 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Signed-off-by: Shrinidhi Joshi spjosh...@gmail.com
Index: qemu/block/raw
On 06/14/2012 07:59 PM, Jeff Cody wrote:
On 06/14/2012 10:23 AM, Zhi Hui Li wrote:
On 2012年06月11日 23:37, Jeff Cody wrote:
On 06/11/2012 10:24 AM, Stefan Hajnoczi wrote:
On Mon, Jun 11, 2012 at 1:50 PM, Kevin Wolfkw...@redhat.com wrote:
Am 11.06.2012 14:09, schrieb Stefan Hajnoczi:
On Fri,
On 06/12/2012 04:26 PM, Stefan Hajnoczi wrote:
On Mon, Jun 11, 2012 at 4:37 PM, Jeff Codyjc...@redhat.com wrote:
On 06/11/2012 10:24 AM, Stefan Hajnoczi wrote:
On Mon, Jun 11, 2012 at 1:50 PM, Kevin Wolfkw...@redhat.com wrote:
Am 11.06.2012 14:09, schrieb Stefan Hajnoczi:
On Fri, Jun 8,
On 02/07/2012 03:38 PM, Stefan Hajnoczi wrote:
On Wed, Feb 01, 2012 at 08:36:58AM +0530, Supriya Kannery wrote:
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen
On 02/07/2012 03:47 PM, Stefan Hajnoczi wrote:
On Wed, Feb 01, 2012 at 08:37:12AM +0530, Supriya Kannery wrote:
+/* stash state before reopen */
+raw_rs-stash_s = g_malloc0(sizeof(BDRVRawState));
+memcpy(raw_rs-stash_s, s, sizeof(BDRVRawState));
Copying a struct is fragile, Mike
On 02/02/2012 05:45 AM, Michael Roth wrote:
On 01/31/2012 09:07 PM, Supriya Kannery wrote:
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
+
+ /* Flags that can be set using
On 02/07/2012 01:26 PM, Stefan Hajnoczi wrote:
On Wed, Feb 01, 2012 at 08:36:28AM +0530, Supriya Kannery wrote:
Index: qemu/qerror.c
===
--- qemu.orig/qerror.c
+++ qemu/qerror.c
@@ -108,6 +108,14 @@ static const QErrorStringTable
On 02/08/2012 05:30 PM, Luiz Capitulino wrote:
On Wed, 01 Feb 2012 08:36:14 +0530
Supriya Kannerysupri...@linux.vnet.ibm.com wrote:
Enhance info block to display hostcache setting for each
block device.
Example:
(qemu) info block
ide0-hd0: removable=0 file=../rhel6-32.raw ro=0 drv=raw
On 02/08/2012 05:37 PM, Luiz Capitulino wrote:
On Wed, 01 Feb 2012 08:36:41 +0530
Supriya Kannerysupri...@linux.vnet.ibm.com wrote:
+ret = bdrv_open(bs, bs-filename, bdrv_flags, drv);
+if (ret 0) {
+/* Reopen failed. Try to open with original flags */
+
On 02/08/2012 08:24 PM, Kevin Wolf wrote:
Am 01.02.2012 04:07, schrieb Supriya Kannery:
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
+typedef struct BDRVRawReopenState
On 02/08/2012 08:32 PM, Kevin Wolf wrote:
Am 01.02.2012 04:07, schrieb Supriya Kannery:
win32 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
+
+if (osvi.dwMajorVersion= WINDOWS_VISTA
On 02/08/2012 08:37 PM, Kevin Wolf wrote:
Am 01.02.2012 04:06, schrieb Supriya Kannery:
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen respective
image files
For changing host pagecache setting of a running VM, it is
important to have a safe way of reopening its image file.
Following patchset introduces:
* a generic way to reopen image files safely.
In this approach, before reopening an image, for each
block driver, its state will be
New error classes defined for file reopen failure and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14 insertions(+)
Index: qemu/qerror.c
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 20
qmp-commands.hx |2 ++
2 files changed, 18 insertions(+), 4 deletions(-)
Index: qemu/qapi-schema.json
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopening of images safely. This can be
extended by each of the block drivers to reopen respective
image files.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block.c
win32 driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/raw-win32.c
vmdk driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache flag dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/vmdk.c
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/raw.c
Stefan Hajnoczi wrote:
On Mon, Nov 21, 2011 at 12:28 PM, supriya kannery supri...@in.ibm.com wrote:
Stefan Hajnoczi wrote:
On Thu, Nov 17, 2011 at 5:18 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
On 11/17/2011 01:36 AM, Stefan Hajnoczi wrote:
On Fri, Nov
supriya kannery wrote:
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
+}
+if ((flags BDRV_O_NOCACHE)) {
+raw_rs-reopen_state.reopen_flags |= O_DIRECT;
+} else {
+raw_rs
Stefan Hajnoczi wrote:
On Mon, Nov 21, 2011 at 12:13 PM, supriya kannery supri...@in.ibm.com wrote:
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
@@ -708,17 +731,31 @@ int bdrv_reopen(BlockDriverState *bs
Kevin Wolf wrote:
Am 22.11.2011 11:24, schrieb supriya kannery:
Stefan Hajnoczi wrote:
On Mon, Nov 21, 2011 at 12:13 PM, supriya kannery supri...@in.ibm.com wrote:
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri
Stefan Hajnoczi wrote:
On Tue, Nov 22, 2011 at 9:45 AM, supriya kannery supri...@in.ibm.com wrote:
supriya kannery wrote:
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
+}
+if ((flags
On 11/22/2011 05:19 PM, Stefan Hajnoczi wrote:
On Tue, Nov 22, 2011 at 11:16 AM, supriya kannerysupri...@in.ibm.com wrote:
Kevin Wolf wrote:
Am 22.11.2011 11:24, schrieb supriya kannery:
How does VMDK implement its prepare/commit/abort? It needs to use the
public bdrv_reopen_prepare
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
@@ -708,17 +731,31 @@ int bdrv_reopen(BlockDriverState *bs, in
qerror_report(QERR_DATA_SYNC_FAILED, bs-device_name);
return ret;
}
-open_flags = bs-open_flags
Stefan Hajnoczi wrote:
On Thu, Nov 17, 2011 at 5:18 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
On 11/17/2011 01:36 AM, Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
+if ((hostcache
Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
+static int raw_reopen_prepare(BlockDriverState *bs, BDRVReopenState **prs,
+ int flags)
+{
+BDRVRawReopenState *raw_rs = g_malloc0(sizeof
Luiz Capitulino wrote:
On Fri, 11 Nov 2011 15:39:29 +0530
Supriya Kannery supri...@linux.vnet.ibm.com wrote:
On 11/11/2011 12:17 PM, Supriya Kannery wrote:
hostcache gets added to qapi-types.h from
the change done in qapi-schema.json. Hence
above change has to be ignored. Pls find
updated
Luiz Capitulino wrote:
On Fri, 11 Nov 2011 12:17:35 +0530
Supriya Kannery supri...@linux.vnet.ibm.com wrote:
New error classes defined for file reopen failure and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6
Luiz Capitulino wrote:
On Fri, 11 Nov 2011 12:17:48 +0530
Supriya Kannery supri...@linux.vnet.ibm.com wrote:
+
+ret = bdrv_open(bs, bs-filename, bdrv_flags, drv);
+if (ret 0) {
+/* Reopen failed. Try to open with original flags */
+qerror_report
On 11/17/2011 01:36 AM, Stefan Hajnoczi wrote:
On Fri, Nov 11, 2011 at 6:48 AM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
+if ((hostcache = qemu_opt_get_bool(opts, hostcache, -1)) != -1) {
This does not work. qemu_opt_get_bool() takes a bool default argument
and returns
On 11/11/2011 12:17 PM, Supriya Kannery wrote:
Enhance info block to display hostcache setting for each
block device.
##
Index: qemu/qapi-types.h
===
--- qemu.orig/qapi-types.h
+++ qemu/qapi-types.h
@@ -383,6 +383,7
Following patchset is for enabling dynamic change of
host pagecache setting of block devices through qemu
monitor.
This patchset introduces
a. monitor command 'block_set_hostcache' using which host
pagecache setting for a block device can be changed
dynamically.
b. a new option for
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 20
qmp-commands.hx |2 ++
2 files changed, 18 insertions(+), 4 deletions(-)
Index: qemu/qapi-schema.json
New error classes defined for file reopen failure and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14 insertions(+)
Index: qemu/qerror.c
qemu command option 'hostcache' added to -drive for block devices.
While starting a VM from qemu commandline, this option can be used
for setting host cache usage for block data access.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
blockdev.c | 13 +
qemu
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopen state of images safely. This can be
extended by each of the block drivers to reopen respective
image files.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block.c
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/raw.c
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
On 11/04/2011 07:59 AM, Zhi Yong Wu wrote:
On Sun, Oct 30, 2011 at 6:33 PM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
Currently cache setting of a block device cannot be changed
without restarting a running VM. Following patchset is for
enabling dynamic change of cache setting
On 11/07/2011 02:19 PM, Zhi Yong Wu wrote:
On Mon, Nov 7, 2011 at 4:38 PM, Supriya Kannery
supri...@linux.vnet.ibm.com wrote:
On 11/04/2011 07:59 AM, Zhi Yong Wu wrote:
On Sun, Oct 30, 2011 at 6:33 PM, Supriya Kannery
supri...@linux.vnet.ibm.comwrote:
Currently cache setting of a block
On 11/03/2011 07:25 PM, Luiz Capitulino wrote:
On Sun, 30 Oct 2011 16:03:54 +0530
Supriya Kannerysupri...@linux.vnet.ibm.com wrote:
+if (qdict_haskey(bs_dict, hostcache)) {
+monitor_printf(mon, hostcache=%d,
+ qdict_get_bool(bs_dict, hostcache));
+}
On 11/04/2011 03:30 PM, Kevin Wolf wrote:
Am 30.10.2011 11:34, schrieb Supriya Kannery:
+
+if (bdrv_is_inserted(bs)) {
+/* Reopen file with changed set of flags */
+return bdrv_reopen(bs, bdrv_flags);
+} else {
+/* Save hostcache change for future use
On 11/04/2011 03:35 PM, Kevin Wolf wrote:
Am 30.10.2011 11:35, schrieb Supriya Kannery:
+struct BDRVReopenState {
+BlockDriverState *bs;
+int reopen_flags;
+
+/* For raw-posix */
+int reopen_fd;
+};
I think I commented the same on the previous version: BDRVReopenState
Currently cache setting of a block device cannot be changed
without restarting a running VM. Following patchset is for
enabling dynamic change of cache setting for block devices
through qemu monitor. Code changes are based on patches
from Christoph Hellwig and Prerna Saxena.
This patchset
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 20
qmp-commands.hx |2 ++
2 files changed, 18 insertions(+), 4 deletions(-)
Index: qemu/qmp-commands.hx
New error classes defined for file reopen failure and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14 insertions(+)
Index: qemu/qerror.c
qemu command option 'hostcache' added to -drive for block devices.
While starting a VM from qemu commandline, this option can be used
for setting host cache usage for block data access. 'cache=xx'
overrides 'hostcache=yy' when specified simultaneously.
Signed-off-by: Supriya Kannery supri
raw-posix driver changes for bdrv_reopen_xx functions to
safely reopen image files. Reopening of image files while
changing hostcache dynamically, is handled here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block/raw.c
Struct BDRVReopenState along with three reopen related functions
introduced for handling reopen state of images safely. This can be
extended by each of the block drivers to reopen respective
image files.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
Index: qemu/block.c
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
On 10/12/2011 07:47 PM, Kevin Wolf wrote:
Am 11.10.2011 05:10, schrieb Supriya Kannery:
Enhance info block to display hostcache setting for each
block device.
+if (qdict_haskey(bs_dict, open_flags)) {
+int open_flags = qdict_get_int(bs_dict, open_flags);
+if (open_flags
On 10/12/2011 08:00 PM, Kevin Wolf wrote:
Am 11.10.2011 05:11, schrieb Supriya Kannery:
qemu command option 'hostcache' added to -drive for block devices.
While starting a VM from qemu commandline, this option can be used
for setting host cache usage for block data access. Simultaneous
use
On 10/12/2011 08:25 PM, Kevin Wolf wrote:
Am 11.10.2011 05:11, schrieb Supriya Kannery:
Struct BDRVReopenState introduced for handling reopen state of images.
This can be extended by each of the block drivers to reopen respective
image files. Implementation for raw-posix is done here.
Signed
On 10/14/2011 04:43 PM, Stefan Hajnoczi wrote:
On Tue, Oct 11, 2011 at 08:41:59AM +0530, Supriya Kannery wrote:
Index: qemu/block.c
===
--- qemu.orig/block.c
+++ qemu/block.c
@@ -706,6 +706,7 @@ int bdrv_reopen(BlockDriverState *bs
Currently cache setting of a block device cannot be changed
without restarting a running VM. Following patchset is for
enabling dynamic change of cache setting for block devices
through qemu monitor and qmp. Code changes are based on
patches from Christoph Hellwig and Prerna Saxena.
This
encrypted=0
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 20
qmp-commands.hx |2 ++
2 files changed, 18 insertions(+), 4 deletions(-)
Index: qemu/qmp-commands.hx
New error classes defined for file reopen failure and data
sync error
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
qerror.c |8
qerror.h |6 ++
2 files changed, 14 insertions(+)
Index: qemu/qerror.c
New command block_set_hostcache added for dynamically changing
host pagecache setting of a block device.
Usage:
block_set_hostcache device option
device = block device
option = on/off
Example:
(qemu) block_set_hostcache ide0-hd0 off
Signed-off-by: Supriya Kannery supri
qemu command option 'hostcache' added to -drive for block devices.
While starting a VM from qemu commandline, this option can be used
for setting host cache usage for block data access. Simultaneous
use of 'hostcache' and 'cache' options not allowed.
Signed-off-by: Supriya Kannery supri
Struct BDRVReopenState introduced for handling reopen state of images.
This can be extended by each of the block drivers to reopen respective
image files. Implementation for raw-posix is done here.
Signed-off-by: Supriya Kannery supri...@linux.vnet.ibm.com
---
block.c | 46
On 10/10/2011 11:58 PM, Kevin Wolf wrote:
Am 09.08.2011 11:22, schrieb supriya kannery:
Kevin Wolf wrote:
Am 08.08.2011 09:02, schrieb Supriya Kannery:
On 08/05/2011 09:19 PM, Anthony Liguori wrote:
On 08/05/2011 10:43 AM, Kevin Wolf wrote:
Am 05.08.2011 17:24, schrieb Stefan Hajnoczi
On 08/09/2011 03:02 PM, supriya kannery wrote:
Kevin Wolf wrote:
Am 09.08.2011 11:22, schrieb supriya kannery:
Kevin Wolf wrote:
What I meant is that in the end, with a generic bdrv_reopen(), we can
have raw-posix only call dup() and fcntl() instead of doing a
close()/open() sequence
On 08/09/2011 03:02 PM, supriya kannery wrote:
Kevin Wolf wrote:
Am 09.08.2011 11:22, schrieb supriya kannery:
Kevin Wolf wrote:
What I meant is that in the end, with a generic bdrv_reopen(), we can
have raw-posix only call dup() and fcntl() instead of doing a
close()/open() sequence
Kevin Wolf wrote:
Am 08.08.2011 09:02, schrieb Supriya Kannery:
On 08/05/2011 09:19 PM, Anthony Liguori wrote:
On 08/05/2011 10:43 AM, Kevin Wolf wrote:
Am 05.08.2011 17:24, schrieb Stefan Hajnoczi:
On Fri, Aug 5, 2011 at 3:28 PM, Christoph Hellwigh...@lst.de wrote
Kevin Wolf wrote:
Am 09.08.2011 11:22, schrieb supriya kannery:
Kevin Wolf wrote:
Am 08.08.2011 09:02, schrieb Supriya Kannery:
On 08/05/2011 09:19 PM, Anthony Liguori wrote:
On 08/05/2011 10:43 AM, Kevin Wolf wrote:
Am 05.08.2011 17:24
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