Block layer patches

- Managing inactive nodes (enables QSD migration with shared storage)
 - Fix swapped values for BLOCK_IO_ERROR 'device' and 'qom-path'
 - vpc: Read images exported from Azure correctly
 - scripts/qemu-gdb: Support coroutine dumps in coredumps
 - Minor cleanups
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Managing inactive nodes (enables QSD migration with shared storage)
- Fix swapped values for BLOCK_IO_ERROR 'device' and 'qom-path'
- vpc: Read images exported from Azure correctly
- scripts/qemu-gdb: Support coroutine dumps in coredumps
- Minor cleanups

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# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (25 commits)
  block: remove unused BLOCK_OP_TYPE_DATAPLANE
  iotests: Add (NBD-based) tests for inactive nodes
  iotests: Add qsd-migrate case
  iotests: Add filter_qtest()
  nbd/server: Support inactive nodes
  block/export: Add option to allow export of inactive nodes
  block: Drain nodes before inactivating them
  block/export: Don't ignore image activation error in blk_exp_add()
  block: Support inactive nodes in blk_insert_bs()
  block: Add blockdev-set-active QMP command
  block: Add option to create inactive nodes
  block: Fix crash on block_resize on inactive node
  block: Don't attach inactive child to active node
  migration/block-active: Remove global active flag
  block: Inactivate external snapshot overlays when necessary
  block: Allow inactivating already inactive nodes
  block: Add 'active' field to BlockDeviceInfo
  block-backend: Fix argument order when calling 'qapi_event_send_block_io_error()'
  scripts/qemu-gdb: Support coroutine dumps in coredumps
  scripts/qemu-gdb: Simplify fs_base fetching for coroutines
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2025-02-10 13:25:36 -05:00
commit f2ec48fefd
35 changed files with 1133 additions and 166 deletions

View file

@ -1895,12 +1895,6 @@ void qmp_migrate_incoming(const char *uri, bool has_channels,
return;
}
/*
* Newly setup incoming QEMU. Mark the block active state to reflect
* that the src currently owns the disks.
*/
migration_block_active_setup(false);
once = false;
}
@ -3992,8 +3986,6 @@ static void migration_instance_init(Object *obj)
ms->state = MIGRATION_STATUS_NONE;
ms->mbps = -1;
ms->pages_per_second = -1;
/* Freshly started QEMU owns all the block devices */
migration_block_active_setup(true);
qemu_sem_init(&ms->pause_sem, 0);
qemu_mutex_init(&ms->error_mutex);