On a Friday in 2023, Peter Krempa wrote:
>This series prepares the setup of the block device backend for removal
>of the raw driver from the block graph, and actually removes it from the
>migration NBD connection.
>
>Unfortunately for normal usage it's not yet possible as qemu then
>records the protocol driver name in the backing file format field which
>would break with older versions of libvirt (see my other series).
>
>Peter Krempa (17):
> qemu: block: Introduce qemuBlockStorageSourceGetSliceNodename
> qemu: block: Use qemuBlockStorageSourceNeedsStorageSliceLayer only for
> setup
> qemu: block: Introduce helper for deciding when a 'format' layer is
> needed
> qemuBlockStorageSourceGetBlockdevStorageSliceProps: Allow turning the
> slice layer into effective blockdev layer
> qemuBlockStorageSourceAttachPrepareBlockdev: Prepare for optionally
> missing format layer
> qemuBlockStorageSourceDetachPrepare: Prepare for possibly missing
> 'format' layer
> qemuDomainPrepareStorageSourceBlockdevNodename: Restructure code to
> allow missing 'format' layer
> qemuBlockStorageSourceGetEffectiveNodename: Prepare for missing
> 'format' driver
> qemu: block: Extract logic from qemuBlockReopenReadWrite/ReadOnly
> qemu: block: Absorb logic from qemuBlockReopenFormat to
> qemuBlockReopenAccess
> qemu: monitor: Sanitize arguments of qemuMonitorBlockdevReopen
> testQemuMonitorJSONBlockdevReopen: Don't use qemuBlockReopenFormatMon
> qemu: block: Absorb qemuBlockReopenFormatMon into
> qemuBlockReopenAccess
> qemuBlockReopenAccess: prepare for removal of 'raw' format layer
> qemuMigrationSrcNBDCopyCancel: Use
> qemuBlockStorageSourceAttachRollback to detach migration NBD
> blockdevs
> qemu: block: Remove unused qemuBlockStorageSourceDetachOneBlockdev
> qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource: Don't setup 'raw'
> layer for migration NBD connection
>
> src/qemu/qemu_block.c | 257 ++++++++++++++++++-----------------
> src/qemu/qemu_block.h | 16 +--
> src/qemu/qemu_domain.c | 17 ++-
> src/qemu/qemu_migration.c | 19 ++-
> src/qemu/qemu_monitor.c | 7 +-
> src/qemu/qemu_monitor.h | 2 +-
> src/qemu/qemu_monitor_json.c | 6 +-
> src/qemu/qemu_monitor_json.h | 2 +-
> tests/qemumonitorjsontest.c | 10 +-
> 9 files changed, 185 insertions(+), 151 deletions(-)
>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Jano
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