Kevin Wolf 于2024年10月18日周五 16:37写道：
>
> Am 04.10.2024 um 12:41 hat Sam Li geschrieben:
> > When the file-posix driver emulates append write, it holds the lock
> > whenever accessing wp, which limits the IO queue depth to one.
> >
> > The write IO flow can be optimi
write.
2. If the write IO fails, report that zone and use the reported value
as the current wp.
Signed-off-by: Sam Li
---
block/file-posix.c | 57 ++
1 file changed, 38 insertions(+), 19 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
write.
2. If the write IO fails, report that zone and use the reported value
as the current wp.
Signed-off-by: Sam Li
---
block/file-posix.c | 33 -
1 file changed, 16 insertions(+), 17 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index
eanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format feature for qcow2 file
block/file-posix.c
feature, use command like
this:
qemu-img create -f qcow2 zbc.qcow2 -o size=768M \
-o zone.size=64M -o zone.capacity=64M -o zone.conventional_zones=0 \
-o zone.max_append_bytes=4096 -o zone.max_open_zones=6 \
-o zone.max_active_zones=8 -o zone.mode=host-managed
Signed-off-by: Sam Li
---
block/file
corresponding state
changing.
Zoned devices have limits on zone resources, which put constraints on
write operations on zones. It is managed by active zone queues
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 850 ++-
block/qcow2.h
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 148 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 173 +++
2 files
From: Sam Li
By adding zone operations and zoned metadata, the zoned emulation
capability enables full emulation support of zoned device using
a qcow2 file. The zoned device metadata includes zone type,
zoned device state and write pointer of each zone, which is stored
to an array of unsigned
From: Sam Li
To configure the zoned format feature on the qcow2 driver, it
requires settings as: the device size, zone model, zone size,
zone capacity, number of conventional zones, limits on zone
resources (max append bytes, max open zones, and max_active_zones).
To create a qcow2 image with
change state to full when wp reaches end
- add documentation to qcow2 zoned extension header
- address review comments (Stefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the
From: Sam Li
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs
From: Sam Li
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 148 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 173
On Mon, Sep 23, 2024 at 15:48 Damien Le Moal wrote:
> On 2024/09/23 15:40, Sam Li wrote:
> > Hi Damien,
> >
> > Damien Le Moal 于2024年9月23日周一 15:22写道：
> >>
> >> On 2024/09/23 13:06, Sam Li wrote:
> >>
> >> [...]
> >>
> &g
Hi Damien,
Damien Le Moal 于2024年9月23日周一 15:22写道：
>
> On 2024/09/23 13:06, Sam Li wrote:
>
> [...]
>
> >>> @@ -2837,6 +3180,19 @@ qcow2_co_pwritev_part(BlockDriverState *bs,
> >>> int64_t offset, int64_t bytes,
> >>> qiov_offset += cur
Hi Stefan,
I apologized for the late reply.
Stefan Hajnoczi 于2024年3月12日周二 20:02写道：
>
> On Mon, Jan 22, 2024 at 07:48:29PM +0100, Sam Li wrote:
> > By adding zone operations and zoned metadata, the zoned emulation
> > capability enables full emulation support of zoned device
y cannot be represented.
>
> Reported-by: Peter Maydell
> Cc: Sam Li
> Signed-off-by: Stefan Hajnoczi
> ---
> qemu-io-cmds.c | 48 +++-
> 1 file changed, 47 insertions(+), 1 deletion(-)
Reviewed-by: Sam Li
Hi Stefan,
Thank you for fixi
Markus Armbruster 于2024年2月19日周一 21:42写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 16:56写道：
> >>
> >> Sam Li writes:
> >>
> >> > Markus Armbruster 于2024年2月19日周一 15:40写道：
> >> >>
> >>
Markus Armbruster 于2024年2月19日周一 16:56写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 15:40写道：
> >>
> >> Sam Li writes:
> >>
> >> > Markus Armbruster 于2024年2月19日周一 13:05写道：
> >> >>
> >> >> One mo
Markus Armbruster 于2024年2月19日周一 15:40写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2024年2月19日周一 13:05写道：
> >>
> >> One more thing...
> >>
> >> Markus Armbruster writes:
> >>
> >> > I apologize for the delayed review.
>
Markus Armbruster 于2024年2月19日周一 13:05写道：
>
> One more thing...
>
> Markus Armbruster writes:
>
> > I apologize for the delayed review.
No problems. Thanks for reviewing!
> >
> > Sam Li writes:
> >
> >> To configure the zoned format feature o
attributes at the following eight bit of zone type bit of write
pointers for each zone. The ZDED is stored as part of zoned metadata as
write pointers.
Signed-off-by: Sam Li
---
block/qcow2.c| 45
hw/nvme/ctrl.c | 1 +
include/block
zone state transition and manage zone resources.
Signed-off-by: Sam Li
---
block/qcow2.c|3 +
hw/nvme/ctrl.c | 1115 +++---
hw/nvme/ns.c | 77 +--
hw/nvme/nvme.h | 85 +--
include/block
Zone descriptor extension data is host definied data that is
associated with each zone. Add zone descriptor extensions
to zonedmeta struct.
Signed-off-by: Sam Li
---
block/qcow2.c| 70 +---
block/qcow2.h| 2 +
include/block
The zone information is contained in the BlockLimits fileds. Add blk_get_*()
functions
to access the block layer and update zone info accessing in the NVMe device
emulation.
Signed-off-by: Sam Li
---
block/block-backend.c | 72 +++
hw/nvme/ctrl.c
ies [Markus]
- address review comments [Markus]
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_size option to the zoned format feature
qcow2: add zd_extension configurations to zoned metadata
hw/nvme: use bl
The NVMe ZNS command set has the zone descriptor extension feature for
associating the data to a zone. Devices that supports ZAC/ZBC have zero
zone descriptor extension size.
Signed-off-by: Sam Li
---
docs/interop/qcow2.txt | 9 +
1 file changed, 9 insertions(+)
diff --git a/docs
Signed-off-by: Sam Li
---
block/qcow2.c| 2 +-
hw/nvme/ctrl.c | 190 ---
include/sysemu/dma.h | 3 +
system/dma-helpers.c | 17
4 files changed, 162 insertions(+), 50 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index
Signed-off-by: Sam Li
---
block/block-backend.c | 16
hw/nvme/ctrl.c| 20 ++--
hw/nvme/ns.c | 24
hw/nvme/nvme.h| 7 ---
include/sysemu/block-backend-io.h | 2
feature, use command like
this:
qemu-img create -f qcow2 zbc.qcow2 -o size=768M \
-o zone.size=64M -o zone.capacity=64M -o zone.conventional_zones=0 \
-o zone.max_append_bytes=4096 -o zone.max_open_zones=6 \
-o zone.max_active_zones=8 -o zone.mode=host-managed
Signed-off-by: Sam Li
---
block/qcow2.c
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 791 ++-
block
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 147 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 172 +++
2 files
w2 zoned extension header
- address review comments (Stefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format
Klaus Jensen 于2024年1月10日周三 07:52写道：
>
> Hi Sam,
>
> This is awesome. For the hw/nvme parts,
>
> Acked-by: Klaus Jensen
>
> I'll give it a proper R-b when you drop the RFC status.
Hi Klaus,
Sorry for the late response. I will submit a new RFC patch series very
soon.
Now the zone states should p
Markus Armbruster 于2023年11月30日周四 09:25写道：
>
> Clang reports
>
> ../block/qcow2.c:4066:5: error: mutex 'graph_lock' is not held on every path
> through here [-Werror,-Wthread-safety-analysis]
> blk_co_unref(blk);
> ^
> ../block/qcow2.c:3928:5: note: mutex acquired here
> bdrv_graph_co_
Markus Armbruster 于2023年11月30日周四 09:40写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conventional zones, limits on zone
> >
Markus Armbruster 于2023年11月30日周四 18:11写道：
>
> Sam Li writes:
>
> > ZNS emulation follows NVMe ZNS spec but the state of namespace
> > zones does not persist accross restarts of QEMU. This patch makes the
> > metadata of ZNS emulation persistent by using new block layer
Signed-off-by: Sam Li
---
block/qcow2.c| 2 +-
hw/nvme/ctrl.c | 190 ---
include/sysemu/dma.h | 3 +
system/dma-helpers.c | 17
4 files changed, 162 insertions(+), 50 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index
Signed-off-by: Sam Li
---
block/block-backend.c | 16
hw/nvme/ctrl.c| 20 ++--
hw/nvme/ns.c | 24
hw/nvme/nvme.h| 7 ---
include/sysemu/block-backend-io.h | 2
attributes at the following eight bit of zone type bit of write
pointers for each zone. The ZDED is stored as part of zoned metadata as
write pointers.
Signed-off-by: Sam Li
---
block/qcow2.c| 45
hw/nvme/ctrl.c | 1 +
include/block
zone state transition and manage zone resources.
Signed-off-by: Sam Li
---
block/qcow2.c|3 +
hw/nvme/ctrl.c | 1106 +++---
hw/nvme/ns.c | 77 +--
hw/nvme/nvme.h | 85 +--
include/block
The zone information is contained in the BlockLimits fileds. Add blk_get_*()
functions
to access the block layer and update zone info accessing in the NVMe device
emulation.
Signed-off-by: Sam Li
---
block/block-backend.c | 72 +++
hw/nvme/ctrl.c
Signed-off-by: Sam Li
---
docs/interop/qcow2.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/docs/interop/qcow2.txt b/docs/interop/qcow2.txt
index 0f1938f056..458d05371a 100644
--- a/docs/interop/qcow2.txt
+++ b/docs/interop/qcow2.txt
@@ -428,6 +428,9 @@ The fields of the zoned
=${znsimg},id=nvmezns0,format=qcow2,if=none \
-device nvme-ns,drive=nvmezns0,bus=nvme0,nsid=1,uuid=xxx \
Sorry, send this one more time due to network problems.
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_s
Zone descriptor data is host definied data that is associated with
each zone. Add zone descriptor extensions to zonedmeta struct.
Signed-off-by: Sam Li
---
block/qcow2.c| 69 +---
block/qcow2.h| 2 +
include/block/block_int
=${znsimg},id=nvmezns0,format=qcow2,if=none \
-device nvme-ns,drive=nvmezns0,bus=nvme0,nsid=1,uuid=xxx \
v1->v2:
- split [v1 2/5] patch to three (doc, config, block layer API)
- adapt qcow2 v6
Sam Li (7):
docs/qcow2: add zd_extension_size option to the zoned format feature
qcow2: add zd_extens
tefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests:
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 126 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 118 +
2 files
feature, use command like
this:
$path/to/qemu-img create -f qcow2 zbc.qcow2 -o size=768M
-o zone.size=64M -o zone.capacity=64M -o zone.conventional_zones=0
-o zone.max_append_bytes=4096 -o zone.max_open_zones=10
-o zone.max_active_zones=12 -o zone.mode=host-managed
Signed-off-by: Sam Li
---
block
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 741 ++-
block
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file then can emulate real zoned devices, either passed
through by virtio-blk device or NVMe ZNS drive to the guest
given zoned information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
Hi Eric,
Eric Blake 于2023年10月30日周一 22:53写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conve
Markus Armbruster 于2023年11月3日周五 17:08写道：
>
> Eric Blake writes:
>
> > On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> >> To configure the zoned format feature on the qcow2 driver, it
> >> requires settings as: the device size, zone model, zone si
Stefan Hajnoczi 于2023年11月3日周五 11:24写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > +typedef struct Qcow2ZoneListEntry {
> > +QLIST_ENTRY(Qcow2ZoneListEntry) exp_open_zone_entry;
> > +QLIST_ENTRY(Qcow2ZoneListEntry) imp_open_zone_ent
Looks good, thanks!
Hanna Czenczek 于2023年10月31日 周二17:24写道：
> On 25.08.23 06:05, Sam Li wrote:
>
> When the zoned request fail, it needs to update only the wp of
> the target zones for not disrupting the in-flight writes on
> these other zones. The wp is updated successfully afte
Hi Eric,
Eric Blake 于2023年10月30日周一 22:53写道：
>
> On Mon, Oct 30, 2023 at 08:18:45PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conve
Eric Blake 于2023年10月30日周一 22:05写道：
>
> On Mon, Oct 30, 2023 at 08:18:44PM +0800, Sam Li wrote:
> > Add the specs for the zoned format feature of the qcow2 driver.
> > The qcow2 file can be taken as zoned device and passed through by
> > virtio-blk device or NVMe ZNS d
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones. It is managed by active zone lists
following LRU policy.
Signed-off-by: Sam Li
---
block/qcow2.c| 731 ++-
block
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 126 +++
tests/qemu-iotests/tests/zoned-qcow2.out | 118 +
2 files
command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o conventional_zones=0 -o
max_append_bytes=4096 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=host-managed
Signed-off-by: Sam Li
fix config?
---
block/qcow2.c
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
docs/system/qemu-block
ned commands
- make zone append change state to full when wp reaches end
- add documentation to qcow2 zoned extension header
- address review comments (Stefan):
* fix zoned_mata allocation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, namin
f-by: Naohiro Aota
> ---
> block/file-posix.c | 16 +++-
> 1 file changed, 7 insertions(+), 9 deletions(-)
Thanks!
Reviewed-by: Sam Li
>
> diff --git a/block/file-posix.c b/block/file-posix.c
> index 50e2b20d5c45..c39209358909 100644
> --- a/block/file-po
Sam Li 于2023年8月25日周五 12:06写道：
>
> When the zoned request fail, it needs to update only the wp of
> the target zones for not disrupting the in-flight writes on
> these other zones. The wp is updated successfully after the
> request completes.
>
> Fixed the callers with righ
Hello Eric,
Eric Blake 于2023年9月28日周四 23:15写道：
>
> On Mon, Sep 18, 2023 at 05:53:11PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conve
Eric Blake 于2023年9月29日周五 03:17写道：
>
> On Mon, Sep 18, 2023 at 05:53:12PM +0800, Sam Li wrote:
> > By adding zone operations and zoned metadata, the zoned emulation
> > capability enables full emulation support of zoned device using
> > a qcow2 file. The zoned device met
Markus Armbruster 于2023年9月25日周一 21:05写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires settings as: the device size, zone model, zone size,
> > zone capacity, number of conventional zones, limits on zone
> > r
Markus Armbruster 于2023年9月18日周一 22:46写道：
>
> Sam Li writes:
>
> > Markus Armbruster 于2023年9月1日周五 19:08写道：
> >>
> >> Sam Li writes:
> >>
> >> > To configure the zoned format feature on the qcow2 driver, it
> >> > requires fol
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 129 ++
tests/qemu-iotests/tests/zoned-qcow2.out | 133 +++
2 files
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones.
Signed-off-by: Sam Li
---
block/qcow2.c | 709 -
block/qcow2.h | 2 +
block/trace-events | 2
, use command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o nr_conv_zones=0 -o
max_append_sectors=512 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=1
Signed-off-by: Sam Li
---
block/qcow2.c| 186
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
---
docs/system/qemu-block-drivers.rst.inc | 33
rflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format feature for qcow2 file
block/qcow2.c
Stefan Hajnoczi 于2023年9月14日周四 04:12写道：
>
> On Mon, Aug 28, 2023 at 11:09:53PM +0800, Sam Li wrote:
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
> > zone model, zone size, zone capacity
Markus Armbruster 于2023年9月1日周五 19:08写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
>
> "Zoned profile" is gone in v3.
>
> > zone model, zo
Damien Le Moal 于2023年8月29日周二 15:14写道：
>
> On 8/29/23 15:27, Sam Li wrote:
> > Damien Le Moal 于2023年8月29日周二 14:06写道：
> >>
> >> On 8/28/23 20:55, Sam Li wrote:
> >>>>> +/* close one implicitly open zones to make it
Damien Le Moal 于2023年8月29日周二 14:06写道：
>
> On 8/28/23 20:55, Sam Li wrote:
> >>> +/* close one implicitly open zones to make it available */
> >>> +for (int i = s->zoned_header.zone_nr_conv;
> >>> +i < bs->bl.n
The zoned format feature can be tested by:
$ tests/qemu-iotests/check -qcow2 zoned-qcow2
Signed-off-by: Sam Li
Reviewed-by: Stefan Hajnoczi
---
tests/qemu-iotests/tests/zoned-qcow2 | 135 ++
tests/qemu-iotests/tests/zoned-qcow2.out | 140 +++
2 files
corresponding state
changing.
Zoned devices have a limit on zone resources, which puts constraints on
write operations into zones.
Signed-off-by: Sam Li
---
block/qcow2.c | 657 -
block/qcow2.h | 2 +
block/trace-events | 1
file with zoned format, use command like this:
$ qemu-img create -f qcow2 test.qcow2 -o size=768M -o
zone_size=64M -o zone_capacity=64M -o nr_conv_zones=0 -o
max_append_sectors=512 -o max_open_zones=0 -o max_active_zones=0
-o zone_model=1
Signed-off-by: Sam Li
---
block/qcow2.c
cation size
* use bitwise or than addition
* fix wp index overflow and locking
* cleanups: comments, naming
Sam Li (4):
docs/qcow2: add the zoned format feature
qcow2: add configurations for zoned format extension
qcow2: add zoned emulation capability
iotests: test the zoned format featu
Add the specs for the zoned format feature of the qcow2 driver.
The qcow2 file can be taken as zoned device and passed through by
virtio-blk device or NVMe ZNS device to the guest given zoned
information.
Signed-off-by: Sam Li
---
docs/system/qemu-block-drivers.rst.inc | 39
Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
>
> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> > diff --git a/block/qcow2.h b/block/qcow2.h
> > index f789ce3ae0..3694c8d217 100644
> > --- a/block/qcow2.h
> > +++ b/block/qcow2.h
> >
Stefan Hajnoczi 于2023年8月23日周三 03:48写道：
>
> On Mon, Aug 14, 2023 at 04:58:01PM +0800, Sam Li wrote:
> > By adding zone operations and zoned metadata, the zoned emulation
> > capability enables full emulation support of zoned device using
> > a qcow2 file. The zoned devic
Damien Le Moal 于2023年8月28日周一 18:22写道：
>
> On 8/28/23 19:18, Sam Li wrote:
> > Damien Le Moal 于2023年8月28日周一 18:13写道：
> >>
> >> On 8/28/23 18:22, Sam Li wrote:
> >>> Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
> >>>>
> >>>> On M
Damien Le Moal 于2023年8月28日周一 18:13写道：
>
> On 8/28/23 18:22, Sam Li wrote:
> > Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
> >>
> >> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> >>> diff --git a/block/qcow2.h b/block/qcow2.h
> >>>
Stefan Hajnoczi 于2023年8月21日周一 21:31写道：
>
> On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> > diff --git a/block/qcow2.h b/block/qcow2.h
> > index f789ce3ae0..3694c8d217 100644
> > --- a/block/qcow2.h
> > +++ b/block/qcow2.h
> >
Markus Armbruster 于2023年8月21日周一 21:13写道：
>
> Sam Li writes:
>
> > To configure the zoned format feature on the qcow2 driver, it
> > requires following arguments: the device size, zoned profile,
> > zoned model, zone size, zone capacity, number of conventional
> >
When the zoned request fail, it needs to update only the wp of
the target zones for not disrupting the in-flight writes on
these other zones. The wp is updated successfully after the
request completes.
Fixed the callers with right offset and nr_zones.
Signed-off-by: Sam Li
---
block/file
Damien Le Moal 于2023年8月25日周五 11:32写道：
>
> On 8/25/23 12:05, Sam Li wrote:
> > Damien Le Moal 于2023年8月25日周五 07:49写道：
> >>
> >> On 8/25/23 02:39, Sam Li wrote:
> >>> When the zoned requests that may change wp fail, it needs to
> >>> update
Damien Le Moal 于2023年8月25日周五 07:49写道：
>
> On 8/25/23 02:39, Sam Li wrote:
> > When the zoned requests that may change wp fail, it needs to
> > update only wps of the zones within the range of the requests
> > for not disrupting the other in-flight requests. The wp is
: Sam Li
---
block/file-posix.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/block/file-posix.c b/block/file-posix.c
index b16e9c21a1..22559d6c2d 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2522,7 +2522,8 @@ out:
}
} else {
if
Hanna Czenczek 于2023年8月24日周四 23:53写道：
>
> We duplicate the same condition three times here, pull it out to the top
> level.
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 18 +-
> 1 file changed, 5 insertions(+), 13 deletions(-)
Reviewed-by: Sam Li
Hi Hanna,
Hanna Czenczek 于2023年8月24日周四 23:53写道：
>
> Hi,
>
> As presented in [1] there is a bug in the zone code in raw_co_prw(),
> specifically we don’t check whether there actually is zone information
> before running code that assumes there is (and thus we run into a
> division by zero). This
e-posix.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Sam Li
ng other than BLK_Z_NONE, other values and objects
> like bs->wps and bs->bl.zone_size must be non-null/zero and valid; if it
> is not, we cannot rely on their validity.
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 12 +++-
> 1 file changed, 7 insertions(+), 5 deletions(-)
Reviewed-by: Sam Li
emory leak in the last error path in
> raw_refresh_zoned_limits().
>
> Signed-off-by: Hanna Czenczek
> ---
> block/file-posix.c | 21 -
> 1 file changed, 12 insertions(+), 9 deletions(-)
Reviewed-by: Sam Li
Klaus Jensen 于2023年8月24日周四 02:53写道：
>
> On Aug 23 22:58, Sam Li wrote:
> > Stefan Hajnoczi 于2023年8月23日周三 22:41写道：
> > >
> > > On Wed, 23 Aug 2023 at 10:24, Sam Li wrote:
> > > >
> > > > Hi Stefan,
> > > >
> > > >
Stefan Hajnoczi 于2023年8月23日周三 22:41写道：
>
> On Wed, 23 Aug 2023 at 10:24, Sam Li wrote:
> >
> > Hi Stefan,
> >
> > Stefan Hajnoczi 于2023年8月23日周三 21:26写道：
> > >
> > > Hi Sam and Klaus,
> > > Val is adding nvme-io_uring ZNS suppor
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