On Wed, Feb 14, 2024 at 14:17:58 +0900, Hiroki Narukawa wrote:
> There is a case that locking hits a bug and users wants to disable
> locking like bug in Linux kernel.
>
> This commit adds actual qemu option to the domain conf added in previous
> commit.
>
> Signed-off-by: Hiroki Narukawa <[email protected]>
> ---
> src/qemu/qemu_block.c | 7 ++++++
> tests/qemublocktest.c | 1 +
> ...le-raw-aio_native-locking-off-srconly.json | 10 ++++++++
> .../file-raw-aio_native-locking-off.json | 23 +++++++++++++++++++
> .../file-raw-aio_native-locking-off.xml | 12 ++++++++++
Rahter than qemublocktest we generally require testing via
qemuxmlconftest for anything that has XML or uis formatted on the
commandline.
> 5 files changed, 53 insertions(+)
> create mode 100644
> tests/qemublocktestdata/xml2json/file-raw-aio_native-locking-off-srconly.json
> create mode 100644
> tests/qemublocktestdata/xml2json/file-raw-aio_native-locking-off.json
> create mode 100644
> tests/qemublocktestdata/xml2json/file-raw-aio_native-locking-off.xml
>
> diff --git a/src/qemu/qemu_block.c b/src/qemu/qemu_block.c
> index 738b72d7ea..5905898b38 100644
> --- a/src/qemu/qemu_block.c
> +++ b/src/qemu/qemu_block.c
> @@ -852,6 +852,13 @@ qemuBlockStorageSourceGetFileProps(virStorageSource *src,
> "S:aio", iomode,
> "S:pr-manager", prManagerAlias,
> NULL) < 0);
> +
> + if (src->locking) {
> + const char *lockingStr = virTristateSwitchTypeToString(src->locking);
> + if (virJSONValueObjectAdd(&ret, "S:locking", lockingStr, NULL) < 0)
> + return NULL;
The 'S:' conversion is skipped if the argument is NULL, thus no need for
an extra call to virJSONValueObjectAdd.
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