From: Jeuk Kim
This commit makes the UFS device support query
and nop out transfer requests.
The next patch would be support for UFS logical
unit and scsi command transfer request.
Signed-off-by: Jeuk Kim
Reviewed-by: Stefan Hajnoczi
Message-id
From: Jeuk Kim
This patch includes the following tests
Test mmio read
Test ufs device initialization and ufs-lu recognition
Test I/O (Performs a write followed by a read to verify)
Signed-off-by: Jeuk Kim
Acked-by: Thomas Huth
Reviewed-by: Stefan Hajnoczi
Message-id
() implementation, we
simply set it equal to the cluster size thus treating each cluster as
having a single subcluster.
Reviewed-by: Eric Blake
Reviewed-by: Denis V. Lunev
Signed-off-by: Andrey Drobyshev
Reviewed-by: Vladimir Sementsov-Ogievskiy
Signed-off-by: Stefan Hajnoczi
Message-ID
0) at
../block.c:7095
#2 0x55bbae13 in block_migration_cleanup_bmds () at
../migration/block.c:690
Signed-off-by: Fabiano Rosas
Message-id: 20230731203338.27581-1-faro...@suse.de
Signed-off-by: Stefan Hajnoczi
---
migration/block.c | 11 +--
1 file changed, 9 insertions(+), 2 deletions(
The following changes since commit 813bac3d8d70d85cb7835f7945eb9eed84c2d8d0:
Merge tag '2023q3-bsd-user-pull-request' of https://gitlab.com/bsdimp/qemu
into staging (2023-08-29 08:58:00 -0400)
are available in the Git repository at:
https://gitlab.com/stefanha/qemu.git
From: Jeuk Kim
This commit adds support for ufs logical unit.
The LU handles processing for the SCSI command,
unit descriptor query request.
This commit enables the UFS device to process
IO requests.
Signed-off-by: Jeuk Kim
Reviewed-by: Stefan Hajnoczi
Message-id
the
iohandler AioHandler. Code that formerly called
qio_channel_attach_aio_context() now calls
qio_channel_set_follow_coroutine_ctx(ioc, true) once after the QIOChannel is
created.
Signed-off-by: Stefan Hajnoczi
---
include/io/channel-util.h| 23 ++
include/io/channel.h
aio_context is always NULL, so drop it.
Suggested-by: Fabiano Rosas
Signed-off-by: Stefan Hajnoczi
---
include/block/nbd.h | 3 +--
nbd/client-connection.c | 3 +--
nbd/client.c| 5 ++---
qemu-nbd.c | 4 ++--
4 files changed, 6 insertions(+), 9 deletions(-)
diff
aio_context is always NULL, so drop it.
Suggested-by: Fabiano Rosas
Signed-off-by: Stefan Hajnoczi
---
nbd/client.c | 11 +++
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/nbd/client.c b/nbd/client.c
index 16ec10c8a9..bd7e200136 100644
--- a/nbd/client.c
+++ b/nbd
Callers must clean up their coroutines before calling
object_unref(OBJECT(ioc)) to prevent an fd handler leak. Add an
assertion to check this.
This patch is preparation for the fd handler changes that follow.
Signed-off-by: Stefan Hajnoczi
Reviewed-by: Daniel P. Berrangé
Reviewed-by: Eric
ltiple
threads to process I/O in parallel. The nbd block driver is not compatible with
the multi-queue block layer yet because QIOChannel cannot be used easily from
coroutines running in multiple threads. This series changes the QIOChannel API
to make that possible.
Stefan Hajnoczi (4):
nb
Applied, thanks. In the future, please invoke git-request-pull(1) with
the public HTTPS repo URL to make it easier for anyone to fetch the
changes:
> are available in the Git repository at:
>
> g...@gitlab.com:bsdimp/qemu.git tags/2023q3-bsd-user-pull-request
^^
Please update the
Hi Paolo,
I see a new test error that may have been introduced by this pull request:
https://gitlab.com/qemu-project/qemu/-/jobs/4968468877#L131
AVOCADO Downloading avocado tests VM image for s390x
Failed to load plugin from module "avocado.plugins.journal":
ImportError("Module 'sqlite3' is not
On Thu, 24 Aug 2023 at 14:29, Richard Henderson
wrote:
>
> The following changes since commit 50e7a40af372ee5931c99ef7390f5d3d6fbf6ec4:
>
> Merge tag 'pull-target-arm-20230824' of
> https://git.linaro.org/people/pmaydell/qemu-arm into staging (2023-08-24
> 10:08:33 -0400)
>
> are available in
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
signature.asc
Description: PGP signature
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
signature.asc
Description: PGP signature
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
signature.asc
Description: PGP signature
I see you sent a second pull request that includes the emails.
Please send a v3 with a signed tag. Thanks!
Stefan
On Mon, 28 Aug 2023 at 10:36, Hyman Huang wrote:
>
> From: Hyman
>
> The following changes since commit 50e7a40af372ee5931c99ef7390f5d3d6fbf6ec4:
>
> Merge tag 'pull-target-arm-20230824' of
> https://git.linaro.org/people/pmaydell/qemu-arm into staging (2023-08-24
> 10:08:33 -0400)
>
> are
On Thu, Aug 24, 2023 at 12:26:05PM +0100, Daniel P. Berrangé wrote:
> On Wed, Aug 23, 2023 at 07:45:04PM -0400, Stefan Hajnoczi wrote:
> > The ongoing QEMU multi-queue block layer effort makes it possible for
> > multiple
> > threads to process I/O in parallel.
On Thu, Aug 24, 2023 at 01:09:59PM -0300, Fabiano Rosas wrote:
> Stefan Hajnoczi writes:
>
> > @@ -2089,10 +2088,6 @@ static void nbd_attach_aio_context(BlockDriverState
> > *bs,
> > * the reconnect_delay_timer cannot be active here.
> > */
> >
On Thu, Aug 24, 2023 at 06:47:20PM +0300, Andrey Drobyshev wrote:
> On 8/24/23 17:32, Stefan Hajnoczi wrote:
> > On Wed, Aug 23, 2023 at 03:50:55PM +0300, Andrey Drobyshev wrote:
> >> On 8/22/23 22:58, John Snow wrote:
> >>> On Tue, Aug 22, 2023 at 1:33 PM
/block/dataplane/virtio-blk.c | 11 ---
> 1 file changed, 8 insertions(+), 3 deletions(-)
Hi Peter,
I recently sent a patch series that removes notify_guest_bh() completely:
https://lore.kernel.org/qemu-devel/20230817155847.3605115-5-stefa...@redhat.com/
If it's urgent we can merge you
On Thu, Aug 24, 2023 at 12:26:05PM +0100, Daniel P. Berrangé wrote:
> On Wed, Aug 23, 2023 at 07:45:04PM -0400, Stefan Hajnoczi wrote:
> > The ongoing QEMU multi-queue block layer effort makes it possible for
> > multiple
> > threads to process I/O in parallel.
On Wed, Apr 26, 2023 at 05:26:39PM -0400, Stefan Hajnoczi wrote:
> liburing does not clear sqe->user_data. We must do it ourselves to avoid
> undefined behavior in process_cqe() when user_data is used.
>
> Note that fdmon-io_uring is currently disabled, so this is a latent
-io: ../block/io.c:1236: bdrv_co_do_copy_on_readv: Assertion `skip_bytes <
pnum' failed.
Reviewed-by: Eric Blake
Reviewed-by: Denis V. Lunev
Signed-off-by: Andrey Drobyshev
Reviewed-by: Vladimir Sementsov-Ogievskiy
Signed-off-by: Stefan Hajnoczi
Message-ID: <20230711172553.23
0) at
../block.c:7095
#2 0x55bbae13 in block_migration_cleanup_bmds () at
../migration/block.c:690
Signed-off-by: Fabiano Rosas
Message-id: 20230731203338.27581-1-faro...@suse.de
Signed-off-by: Stefan Hajnoczi
---
migration/block.c | 11 +--
1 file changed, 9 insertions(+), 2 deletions(
_on_readv: Assertion `skip_bytes <
pnum' failed.
Reviewed-by: Eric Blake
Reviewed-by: Denis V. Lunev
Signed-off-by: Andrey Drobyshev
Reviewed-by: Vladimir Sementsov-Ogievskiy
Signed-off-by: Stefan Hajnoczi
Message-ID: <20230711172553.234055-3-andrey.drobys...@virtuozzo.com>
---
From: Jeuk Kim
This commit adds support for ufs logical unit.
The LU handles processing for the SCSI command,
unit descriptor query request.
This commit enables the UFS device to process
IO requests.
Signed-off-by: Jeuk Kim
Reviewed-by: Stefan Hajnoczi
Message-id
() implementation, we
simply set it equal to the cluster size thus treating each cluster as
having a single subcluster.
Reviewed-by: Eric Blake
Reviewed-by: Denis V. Lunev
Signed-off-by: Andrey Drobyshev
Reviewed-by: Vladimir Sementsov-Ogievskiy
Signed-off-by: Stefan Hajnoczi
Message-ID
From: Jeuk Kim
This patch includes the following tests
Test mmio read
Test ufs device initialization and ufs-lu recognition
Test I/O (Performs a write followed by a read to verify)
Signed-off-by: Jeuk Kim
Acked-by: Thomas Huth
Reviewed-by: Stefan Hajnoczi
Message-id
From: Jeuk Kim
This commit makes the UFS device support query
and nop out transfer requests.
The next patch would be support for UFS logical
unit and scsi command transfer request.
Signed-off-by: Jeuk Kim
Reviewed-by: Stefan Hajnoczi
Message-id
The following changes since commit b0dd9a7d6dd15a6898e9c585b521e6bec79b25aa:
Open 8.2 development tree (2023-08-22 07:14:07 -0700)
are available in the Git repository at:
https://gitlab.com/stefanha/qemu.git tags/block-pull-request
for you to fetch changes up to
to handle UFS logical unit and Transfer Request will follow.
Signed-off-by: Jeuk Kim
Reviewed-by: Stefan Hajnoczi
Message-id:
9f3db32fe1c708090a6bb764d456973b5abef55f.1691062912.git.jeuk20@samsung.com
Signed-off-by: Stefan Hajnoczi
---
MAINTAINERS |6 +
docs/specs/pci-ids.rst
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
signature.asc
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Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
signature.asc
Description: PGP signature
On Thu, 24 Aug 2023 at 02:53, Thomas Huth wrote:
>
> On 23/08/2023 18.34, Stefan Hajnoczi wrote:
> > On Wed, Aug 23, 2023 at 01:45:32PM +0200, Thomas Huth wrote:
> >> The following changes since commit
> >> b0dd9a7d6dd15a6898e9c585b521e6bec79b25aa:
> >>
>
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
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Description: PGP signature
On Wed, Aug 23, 2023 at 03:50:55PM +0300, Andrey Drobyshev wrote:
> On 8/22/23 22:58, John Snow wrote:
> > On Tue, Aug 22, 2023 at 1:33 PM Andrey Drobyshev
> > wrote:
> >>
> >> On 8/16/23 12:22, Andrey Drobyshev wrote:
> >>> On 7/31/23 17:51, Andrey Drobyshev wrote:
> On 7/24/23 16:11,
On Wed, 23 Aug 2023 at 16:24, Richard Henderson
wrote:
>
> The following changes since commit b0dd9a7d6dd15a6898e9c585b521e6bec79b25aa:
>
> Open 8.2 development tree (2023-08-22 07:14:07 -0700)
>
> are available in the Git repository at:
>
> https://gitlab.com/rth7680/qemu.git
On Wed, Aug 23, 2023 at 04:54:06PM -0400, Peter Xu wrote:
> On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
> > On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
> > > On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
> > > > diff --git a/softmmu/vl.c b/softmmu/vl.c
On Thu, 24 Aug 2023 at 05:25, Peter Maydell wrote:
>
> On Wed, 23 Aug 2023 at 12:23, Stefan Hajnoczi wrote:
> >
> > Hi,
> > The QEMU 8.2 release cycle has begun. I am merging qemu.git pull
> > requests for this release. You do not need to CC me on pull requests
&g
its blk_aio_cancel() caller, and poll the main loop AioContext.
The purpose of this cleanup is to identify bdrv_aio_cancel() as an API
that does not work with the multi-queue block layer.
Signed-off-by: Stefan Hajnoczi
---
include/block/aio.h| 1 -
include/block/block-global
is only called with the BQL held
from the main loop thread.
The output of qemu-iotests 051 is sensitive to event loop activity.
Update the output because the monitor BH runs at a different time,
causing prompts to be printed differently in the output.
Signed-off-by: Stefan Hajnoczi
---
scripts
oop thread in addition to the IOThread:
https://lore.kernel.org/qemu-devel/20230823234504.1387239-1-stefa...@redhat.com/T/#t
Based-on: 20230823234504.1387239-1-stefa...@redhat.com
Stefan Hajnoczi (4):
block: remove AIOCBInfo->get_aio_context()
block-backend: process I/O in the current AioC
Process zoned requests in the current thread's AioContext instead of in
the BlockBackend's AioContext.
There is no need to use the BlockBackend's AioContext thanks to CoMutex
bs->wps->colock, which protects zone metadata.
Signed-off-by: Stefan Hajnoczi
---
block/block-backend.
accessed by the
completion callback.
- The remaining emulated devices and exports run with
qemu_get_aio_context() == blk_get_aio_context().
Signed-off-by: Stefan Hajnoczi
---
block/block-backend.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/block/block-backend.c b
the
iohandler AioHandler. Code that formerly called
qio_channel_attach_aio_context() now calls
qio_channel_set_follow_coroutine_ctx(ioc, true) once after the QIOChannel is
created.
Signed-off-by: Stefan Hajnoczi
---
include/io/channel.h | 34 +++--
include/qemu/vhost-user-server.h
the QIOChannel API
to make that possible.
Stefan Hajnoczi (2):
io: check there are no qio_channel_yield() coroutines during
->finalize()
io: follow coroutine AioContext in qio_channel_yield()
include/io/channel.h | 34 -
include/qemu/vhost-user-server.h | 1 +
bl
Callers must clean up their coroutines before calling
object_unref(OBJECT(ioc)) to prevent an fd handler leak. Add an
assertion to check this.
This patch is preparation for the fd handler changes that follow.
Signed-off-by: Stefan Hajnoczi
---
io/channel.c | 4
1 file changed, 4
On Wed, Aug 23, 2023 at 01:45:32PM +0200, Thomas Huth wrote:
> The following changes since commit b0dd9a7d6dd15a6898e9c585b521e6bec79b25aa:
>
> Open 8.2 development tree (2023-08-22 07:14:07 -0700)
>
> are available in the Git repository at:
>
> https://gitlab.com/thuth/qemu.git
On Wed, 23 Aug 2023 at 14:53, Klaus Jensen wrote:
>
> 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,
> > > >
> >
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 support to libblkio
> > (https://gitlab.com/libblkio/libblkio/-/merge_requests/221) and asked
Hi Sam and Klaus,
Val is adding nvme-io_uring ZNS support to libblkio
(https://gitlab.com/libblkio/libblkio/-/merge_requests/221) and asked
how to test the size of the last zone when the namespace's total size
is not a multiple of the zone size.
My understanding is that the zoned storage model
Applied, thanks.
Please update the changelog at https://wiki.qemu.org/ChangeLog/8.2 for any
user-visible changes.
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On Tue, Aug 22, 2023 at 02:57:16PM +0200, Philippe Mathieu-Daudé wrote:
> In early 2021 (see commit 2ad784339e "docs: update README to use
> GitLab repo URLs") almost all of the code base was converted to
> point to GitLab instead of git.qemu.org. During 2023, git.qemu.org
> switched from a git
Hi,
The QEMU 8.2 release cycle has begun. I am merging qemu.git pull
requests for this release. You do not need to CC me on pull requests
because I am monitoring qemu-devel.
The proposed schedule is as follows:
2023-08-22 Beginning of development phase
2023-11-14 Soft feature freeze.
zoned-qcow2.out | 140 +++
> 2 files changed, 275 insertions(+)
> create mode 100755 tests/qemu-iotests/tests/zoned-qcow2
> create mode 100644 tests/qemu-iotests/tests/zoned-qcow2.out
Reviewed-by: Stefan Hajnoczi
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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 device metadata includes zone type,
> zoned device state and write pointer of each
nged, 27 insertions(+), 30 deletions(-)
Reviewed-by: Stefan Hajnoczi
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drv-drain.c | 8 ++--
> 10 files changed, 50 insertions(+), 8 deletions(-)
Reviewed-by: Stefan Hajnoczi
signature.asc
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| 2 ++
> 4 files changed, 9 insertions(+), 4 deletions(-)
Reviewed-by: Stefan Hajnoczi
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On Thu, Aug 17, 2023 at 02:50:16PM +0200, Kevin Wolf wrote:
> The function reads the parents list, so it needs to hold the graph lock.
>
> Signed-off-by: Kevin Wolf
> ---
> block.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/block.c b/block.c
> index 7df8780d6e..a82389f742
On Thu, Aug 17, 2023 at 02:50:15PM +0200, Kevin Wolf wrote:
> The function reads the parents list, so it needs to hold the graph lock.
>
> Signed-off-by: Kevin Wolf
> ---
> block.c | 6 +-
> 1 file changed, 5 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnocz
bdrv_child_perm() conveniently already hold the lock.
>
> Signed-off-by: Kevin Wolf
> ---
> include/block/block_int-common.h | 10 +-
> block.c | 11 ++-
> block/copy-before-write.c| 10 +-
> 3 files changed, 16 insertions(+),
| 35 --
> blockdev.c | 6 +
> 4 files changed, 40 insertions(+), 14 deletions(-)
Reviewed-by: Stefan Hajnoczi
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emory-backend-file, readonly=on
> option")
> Signed-off-by: David Hildenbrand
> ---
> hw/acpi/nvdimm.c| 11 ++++---
> hw/mem/nvdimm.c | 10 +++---
> hw/ppc/spapr_nvdimm.c | 3 ++-
> include/hw/mem/nvdimm.h | 6 ++
> 4 files changed, 23 insertions(+), 7 deletions(-)
Reviewed-by: Stefan Hajnoczi
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| 6 +++--
> block/mirror.c | 8 ++
> block/vmdk.c| 2 ++
> tests/unit/test-bdrv-graph-mod.c| 4 +++
> 9 files changed, 66 insertions(+), 26 deletions(-)
Reviewed-by: Stefan Hajnoczi
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ck/replication.c| 6 ++
> tests/unit/test-bdrv-drain.c | 14 ++
> tests/unit/test-bdrv-graph-mod.c | 10 ++
> 6 files changed, 43 insertions(+), 10 deletions(-)
Reviewed-by: Stefan Hajnoczi
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+
> 1 file changed, 44 insertions(+), 17 deletions(-)
Reviewed-by: Stefan Hajnoczi
signature.asc
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ock/stream.c | 20 ++--
> 2 files changed, 100 insertions(+), 53 deletions(-)
Reviewed-by: Stefan Hajnoczi
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e it changes, the transaction
> callbacks can be changed, too.
>
> Signed-off-by: Kevin Wolf
> ---
> block.c | 78 -
> 1 file changed, 50 insertions(+), 28 deletions(-)
Reviewed-by: Stefan Hajnoczi
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which means that they can't call functions that take it
> internally.
>
> Signed-off-by: Kevin Wolf
> ---
> block.c | 26 +++---
> 1 file changed, 19 insertions(+), 7 deletions(-)
Reviewed-by: Stefan Hajnoczi
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d, 4 insertions(+), 3 deletions(-)
Reviewed-by: Stefan Hajnoczi
signature.asc
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utine-wrapper.py | 11 +++
> 2 files changed, 15 insertions(+)
Reviewed-by: Stefan Hajnoczi
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On Thu, Aug 17, 2023 at 02:50:04PM +0200, Kevin Wolf wrote:
> bdrv_unref() is called by a lot of places that need to hold the graph
> lock (it naturally happens in the context of operations that change the
> graph). However, bdrv_unref() takes the graph writer lock internally, so
> it can't
rror_start() isn't mentioned in the commit
description, but it calls bdrv_append() internally.
Reviewed-by: Stefan Hajnoczi
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+--
> 1 file changed, 69 insertions(+), 20 deletions(-)
I don't know the permissions code well enough, but the patch matches the
commit description:
Acked-by: Stefan Hajnoczi
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preallocate.c | 48 +
> 1 file changed, 22 insertions(+), 26 deletions(-)
Reviewed-by: Stefan Hajnoczi
signature.asc
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1 deletion(-)
Reviewed-by: Stefan Hajnoczi
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On Thu, Aug 17, 2023 at 02:49:59PM +0200, Kevin Wolf wrote:
> The previous parts of the graph locking changes focussed mostly on the
> BlockDriver side and taking reader locks while performing I/O. This
> series focusses more on the functions managing the graph structure, i.e
> adding, removing
>
> Signed-off-by: Alex Bennée
> ---
> docs/devel/style.rst | 9 -
> 1 file changed, 8 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi
>
> diff --git a/docs/devel/style.rst b/docs/devel/style.rst
> index 3cfcdeb9cd..2f68b50079 100644
> --- a/docs/de
On Mon, Aug 21, 2023 at 03:18:50PM -0700, Daniel Verkamp wrote:
> Hello virtio folks,
Hi Daniel,
I have CCed those involved in the free page hint and page reporting
features.
Stefan
>
> I noticed a mismatch between the way the specification defines
> device-specific virtqueue indexes and the
skdarseu7dyo...@mail.gmail.com/
> [2] https://git-scm.com/docs/gitweb#Documentation/gitweb.txt-blobplain
>
> Reviewed-by: Daniel P. Berrangé
> Signed-off-by: Philippe Mathieu-Daudé
> ---
> v2: Drop '_type=heads' (danpb)
> ---
> docs/about/license.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi
t; ---
> docs/about/license.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi
On Fri, Aug 18, 2023 at 05:24:22PM +0200, Kevin Wolf wrote:
> Am 15.08.2023 um 18:05 hat Stefan Hajnoczi geschrieben:
> > Switch blk_aio_*() APIs over to multi-queue by using
> > qemu_get_current_aio_context() instead of blk_get_aio_context(). This change
> > will allow d
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
> @@ -236,6 +236,20 @@ typedef struct Qcow2CryptoHeaderExtension {
> uint64_t length;
> } QEMU_PACKED
-by: Stefan Hajnoczi
---
include/sysemu/block-backend-io.h | 6 +-
block/blkio.c | 8 +--
block/io_uring.c | 4 +-
block/linux-aio.c | 4 +-
block/nvme.c | 4 +-
block/plug.c | 109
. Modern drivers
enable EVENT_IDX.
Signed-off-by: Stefan Hajnoczi
---
hw/block/dataplane/virtio-blk.c | 48 +
1 file changed, 1 insertion(+), 47 deletions(-)
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index da36fcfd0b..f83bb0f116
c, my_obj); <-- another
...
defer_call_end(); <-- end of section, my_func(my_obj) is called once
Suggested-by: Ilya Maximets
Signed-off-by: Stefan Hajnoczi
---
MAINTAINERS | 3 ++-
include/qemu/defer-call.h | 15 +++
include/sysemu/block-backend-io.h |
layer configuration) compared to no completion batching. iodepth=1
decreases by ~1% but this could be noise. Benchmark details are available here:
https://gitlab.com/stefanha/virt-playbooks/-/tree/blk_io_plug-irqfd
Stefan Hajnoczi (4):
block: rename blk_io_plug_call() API to defer_call()
util
-playbooks/-/tree/blk_io_plug-irqfd
This duplicates the BH that virtio-blk uses for batching. The next
commit will remove it.
Signed-off-by: Stefan Hajnoczi
---
block/io_uring.c | 6 ++
block/linux-aio.c | 4
hw/virtio/virtio.c | 11 ++-
util/thread-pool.c | 5 +
4 files
, what if someone would
> specify:
>
> -object memory-backend-file,readonly=on
>
> (because the default is share=off ...) and using it for a R/O NVDIMM,
> where we expect any write access to fail.
>
>
> But let's look at the commit that added the "readonly" parameter:
On Wed, Aug 16, 2023 at 08:30:58PM +0200, Ilya Maximets wrote:
> On 8/16/23 17:30, Stefan Hajnoczi wrote:
> > On Wed, Aug 16, 2023 at 03:36:32PM +0200, Ilya Maximets wrote:
> >> On 8/15/23 14:08, Stefan Hajnoczi wrote:
> >>> virtio-blk and virtio-scsi invoke virt
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 device metadata includes zone type,
> zoned device state and write pointer of each
On Mon, Aug 14, 2023 at 04:58:00PM +0800, Sam Li wrote:
> 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
> zones, limits on zone resources (max append
On Wed, Aug 16, 2023 at 04:14:08PM +0800, Sam Li wrote:
> Klaus Jensen 于2023年8月16日周三 15:37写道：
> >
> > On Aug 14 16:57, Sam Li wrote:
> > > This patch series add a new extension - zoned format - to the
> > > qcow2 driver thereby allowing full zoned storage emulation on
> > > the qcow2 img file.
On Wed, Aug 16, 2023 at 03:36:32PM +0200, Ilya Maximets wrote:
> On 8/15/23 14:08, Stefan Hajnoczi wrote:
> > virtio-blk and virtio-scsi invoke virtio_irqfd_notify() to send Used
> > Buffer Notifications from an IOThread. This involves an eventfd
> > write(2) syscall. Calling
> 8 files changed, 99 insertions(+), 33 deletions(-)
>
> --
> 2.39.3
>
>
Reviewed-by: Stefan Hajnoczi
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Switch blk_aio_*() APIs over to multi-queue by using
qemu_get_current_aio_context() instead of blk_get_aio_context(). This change
will allow devices to process I/O in multiple IOThreads in the future.
Stefan Hajnoczi (2):
block-backend: process I/O in the current AioContext
block-backend
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