Now that all jobs have an ID and all QMP commands that create and
operate on block jobs can specify one we can finally expose the ID in
all BLOCK_JOB_* events and the BlockJobInfo structure.

This modifies the output of several iotests, but now we have full
control of the job IDs so this patch updates the affected ones.

Signed-off-by: Alberto Garcia <be...@igalia.com>
---
 blockjob.c                 |  6 +++-
 docs/qmp-events.txt        |  4 +++
 qapi/block-core.json       | 18 ++++++++--
 tests/qemu-iotests/095     |  2 +-
 tests/qemu-iotests/095.out |  2 +-
 tests/qemu-iotests/109     |  2 +-
 tests/qemu-iotests/109.out | 88 +++++++++++++++++++++++-----------------------
 tests/qemu-iotests/124     |  3 +-
 tests/qemu-iotests/141     |  6 +++-
 tests/qemu-iotests/141.out | 14 ++++----
 tests/qemu-iotests/144     |  1 +
 tests/qemu-iotests/144.out |  4 +--
 tests/qemu-iotests/156     |  1 +
 tests/qemu-iotests/156.out |  4 +--
 14 files changed, 92 insertions(+), 63 deletions(-)

diff --git a/blockjob.c b/blockjob.c
index c7f6992..5f2b8de 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -492,6 +492,7 @@ BlockJobInfo *block_job_query(BlockJob *job)
 {
     BlockJobInfo *info = g_new0(BlockJobInfo, 1);
     info->type      = g_strdup(BlockJobType_lookup[job->driver->job_type]);
+    info->id        = g_strdup(job->id);
     info->device    = g_strdup(job->device);
     info->len       = job->len;
     info->busy      = job->busy;
@@ -514,6 +515,7 @@ static void block_job_iostatus_set_err(BlockJob *job, int 
error)
 void block_job_event_cancelled(BlockJob *job)
 {
     qapi_event_send_block_job_cancelled(job->driver->job_type,
+                                        job->id,
                                         job->device,
                                         job->len,
                                         job->offset,
@@ -524,6 +526,7 @@ void block_job_event_cancelled(BlockJob *job)
 void block_job_event_completed(BlockJob *job, const char *msg)
 {
     qapi_event_send_block_job_completed(job->driver->job_type,
+                                        job->id,
                                         job->device,
                                         job->len,
                                         job->offset,
@@ -538,6 +541,7 @@ void block_job_event_ready(BlockJob *job)
     job->ready = true;
 
     qapi_event_send_block_job_ready(job->driver->job_type,
+                                    job->id,
                                     job->device,
                                     job->len,
                                     job->offset,
@@ -566,7 +570,7 @@ BlockErrorAction block_job_error_action(BlockJob *job, 
BlockdevOnError on_err,
     default:
         abort();
     }
-    qapi_event_send_block_job_error(job->device,
+    qapi_event_send_block_job_error(job->id, job->device,
                                     is_read ? IO_OPERATION_TYPE_READ :
                                     IO_OPERATION_TYPE_WRITE,
                                     action, &error_abort);
diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt
index fa7574d..2b2af0f 100644
--- a/docs/qmp-events.txt
+++ b/docs/qmp-events.txt
@@ -92,6 +92,7 @@ Data:
 
 - "type":     Job type (json-string; "stream" for image streaming
                                      "commit" for block commit)
+- "id":       Job identifier (json-string)
 - "device":   Device name (json-string)
 - "len":      Maximum progress value (json-int)
 - "offset":   Current progress value (json-int)
@@ -116,6 +117,7 @@ Data:
 
 - "type":     Job type (json-string; "stream" for image streaming
                                      "commit" for block commit)
+- "id":       Job identifier (json-string)
 - "device":   Device name (json-string)
 - "len":      Maximum progress value (json-int)
 - "offset":   Current progress value (json-int)
@@ -143,6 +145,7 @@ Emitted when a block job encounters an error.
 
 Data:
 
+- "id":     job identifier (json-string)
 - "device": device name (json-string)
 - "operation": I/O operation (json-string, "read" or "write")
 - "action": action that has been taken, it's one of the following 
(json-string):
@@ -167,6 +170,7 @@ Data:
 
 - "type":     Job type (json-string; "stream" for image streaming
                                      "commit" for block commit)
+- "id":       Job identifier (json-string)
 - "device":   Device name (json-string)
 - "len":      Maximum progress value (json-int)
 - "offset":   Current progress value (json-int)
diff --git a/qapi/block-core.json b/qapi/block-core.json
index f15e62f..b9544d1 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -713,6 +713,8 @@
 #
 # @type: the job type ('stream' for image streaming)
 #
+# @id: the job identifier
+#
 # @device: the block device name
 #
 # @len: the maximum progress value
@@ -734,7 +736,7 @@
 # Since: 1.1
 ##
 { 'struct': 'BlockJobInfo',
-  'data': {'type': 'str', 'device': 'str', 'len': 'int',
+  'data': {'type': 'str', 'id': 'str', 'device': 'str', 'len': 'int',
            'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int',
            'io-status': 'BlockDeviceIoStatus', 'ready': 'bool'} }
 
@@ -2443,6 +2445,8 @@
 #
 # @type: job type
 #
+# @id: the job identifier
+#
 # @device: device name
 #
 # @len: maximum progress value
@@ -2461,6 +2465,7 @@
 ##
 { 'event': 'BLOCK_JOB_COMPLETED',
   'data': { 'type'  : 'BlockJobType',
+            'id'    : 'str',
             'device': 'str',
             'len'   : 'int',
             'offset': 'int',
@@ -2474,6 +2479,8 @@
 #
 # @type: job type
 #
+# @id: the job identifier
+#
 # @device: device name
 #
 # @len: maximum progress value
@@ -2487,6 +2494,7 @@
 ##
 { 'event': 'BLOCK_JOB_CANCELLED',
   'data': { 'type'  : 'BlockJobType',
+            'id'    : 'str',
             'device': 'str',
             'len'   : 'int',
             'offset': 'int',
@@ -2497,6 +2505,8 @@
 #
 # Emitted when a block job encounters an error
 #
+# @id: the job identifier
+#
 # @device: device name
 #
 # @operation: I/O operation
@@ -2506,7 +2516,8 @@
 # Since: 1.3
 ##
 { 'event': 'BLOCK_JOB_ERROR',
-  'data': { 'device'   : 'str',
+  'data': { 'id'       : 'str',
+            'device'   : 'str',
             'operation': 'IoOperationType',
             'action'   : 'BlockErrorAction' } }
 
@@ -2517,6 +2528,8 @@
 #
 # @type: job type
 #
+# @id: the job identifier
+#
 # @device: device name
 #
 # @len: maximum progress value
@@ -2533,6 +2546,7 @@
 ##
 { 'event': 'BLOCK_JOB_READY',
   'data': { 'type'  : 'BlockJobType',
+            'id'    : 'str',
             'device': 'str',
             'len'   : 'int',
             'offset': 'int',
diff --git a/tests/qemu-iotests/095 b/tests/qemu-iotests/095
index 030adb2..34617a7 100755
--- a/tests/qemu-iotests/095
+++ b/tests/qemu-iotests/095
@@ -71,7 +71,7 @@ h=$QEMU_HANDLE
 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
 
 _send_qemu_cmd $h "{ 'execute': 'block-commit',
-                                 'arguments': { 'device': 'test',
+                                 'arguments': { 'job-id': 'testjob', 'device': 
'test',
                                  'top': '"${TEST_IMG}.snp1"' } }" 
"BLOCK_JOB_COMPLETED"
 
 _cleanup_qemu
diff --git a/tests/qemu-iotests/095.out b/tests/qemu-iotests/095.out
index 73875ca..c146c72 100644
--- a/tests/qemu-iotests/095.out
+++ b/tests/qemu-iotests/095.out
@@ -12,7 +12,7 @@ virtual size: 5.0M (5242880 bytes)
 
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "test", "len": 104857600, "offset": 
104857600, "speed": 0, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "test", "len": 104857600, "offset": 
104857600, "speed": 0, "type": "commit", "id": "testjob"}}
 
 === Base image info after commit and resize ===
 image: TEST_DIR/t.IMGFMT.base
diff --git a/tests/qemu-iotests/109 b/tests/qemu-iotests/109
index adf9889..d23ede0 100755
--- a/tests/qemu-iotests/109
+++ b/tests/qemu-iotests/109
@@ -58,7 +58,7 @@ function run_qemu()
     _send_qemu_cmd $QEMU_HANDLE \
         "{'execute':'drive-mirror', 'arguments':{
             'device': 'src', 'target': '$raw_img', $qmp_format
-            'mode': 'existing', 'sync': 'full'}}" \
+            'mode': 'existing', 'sync': 'full', 'job-id': 'mirror1'}}" \
         "return"
 
     _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
diff --git a/tests/qemu-iotests/109.out b/tests/qemu-iotests/109.out
index 7c797ed..a2fc346 100644
--- a/tests/qemu-iotests/109.out
+++ b/tests/qemu-iotests/109.out
@@ -9,15 +9,15 @@ WARNING: Image format was not specified for 'TEST_DIR/t.raw' 
and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, 
"offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, 
"offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -30,15 +30,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 197120, "offset": 512, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 197120, "offset": 512, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 197120, "offset": 197120, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 197120, 
"offset": 197120, "paused": false, "speed": 0, "ready": true, "type": 
"mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 197120, "offset": 197120, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 197120, 
"offset": 197120, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -51,15 +51,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 327680, "offset": 
262144, "speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 327680, "offset": 
262144, "speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 327680, 
"offset": 327680, "paused": false, "speed": 0, "ready": true, "type": 
"mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 327680, 
"offset": 327680, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -72,15 +72,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 1024, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, 
"offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 1024, "offset": 1024, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 1024, 
"offset": 1024, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -93,15 +93,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 65536, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, 
"offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 65536, "offset": 65536, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 65536, 
"offset": 65536, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -114,15 +114,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, 
"offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, 
"offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -134,15 +134,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2560, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, 
"offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, 
"offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -154,15 +154,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 31457280, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 31457280, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 31457280, "offset": 
31457280, "speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 
31457280, "offset": 31457280, "paused": false, "speed": 0, "ready": true, 
"type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 31457280, "offset": 
31457280, "speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 
31457280, "offset": 31457280, "paused": false, "speed": 0, "ready": true, 
"type": "mirror", "id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -174,15 +174,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 327680, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 327680, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 327680, 
"offset": 327680, "paused": false, "speed": 0, "ready": true, "type": 
"mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 327680, 
"offset": 327680, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -194,15 +194,15 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report"}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2048, "offset": 0, 
"speed": 0, "type": "mirror", "error": "Operation not permitted"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_ERROR", "data": {"device": "src", "operation": "write", "action": 
"report", "id": "mirror1"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "src", "len": 2048, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1", "error": "Operation not 
permitted"}}
 {"return": []}
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2048, "offset": 2048, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2048, 
"offset": 2048, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 2048, "offset": 2048, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2048, 
"offset": 2048, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 
@@ -214,14 +214,14 @@ WARNING: Image format was not specified for 
'TEST_DIR/t.raw' and probing guessed
 Automatically detecting the format is dangerous for raw images, write 
operations on block 0 will be restricted.
 Specify the 'raw' format explicitly to remove the restrictions.
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, 
"offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, 
"offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, 
"speed": 0, "type": "mirror"}}
-{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, 
"offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "src", "len": 512, "offset": 512, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
+{"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 512, 
"offset": 512, "paused": false, "speed": 0, "ready": true, "type": "mirror", 
"id": "mirror1"}]}
 Warning: Image size mismatch!
 Images are identical.
 *** done
diff --git a/tests/qemu-iotests/124 b/tests/qemu-iotests/124
index de7cdbe..89d74cb 100644
--- a/tests/qemu-iotests/124
+++ b/tests/qemu-iotests/124
@@ -50,7 +50,7 @@ def transaction_bitmap_clear(node, name, **kwargs):
 
 def transaction_drive_backup(device, target, **kwargs):
     return transaction_action('drive-backup', device=device, target=target,
-                              **kwargs)
+                              job_id=device, **kwargs)
 
 
 class Bitmap:
@@ -479,6 +479,7 @@ class TestIncrementalBackup(TestIncrementalBackupBase):
         self.assertFalse(self.wait_qmp_backup(drive1['id']))
         error = self.vm.event_wait('BLOCK_JOB_ERROR')
         self.assert_qmp(error, 'data', {'device': drive1['id'],
+                                        'id': drive1['id'],
                                         'action': 'report',
                                         'operation': 'read'})
         self.assertFalse(self.vm.get_qmp_events(wait=False))
diff --git a/tests/qemu-iotests/141 b/tests/qemu-iotests/141
index b2617e5..85d9d9d 100755
--- a/tests/qemu-iotests/141
+++ b/tests/qemu-iotests/141
@@ -102,6 +102,7 @@ echo
 test_blockjob \
     "{'execute': 'drive-backup',
       'arguments': {'device': 'drv0',
+                    'job-id': 'backup1',
                     'target': '$TEST_DIR/o.$IMGFMT',
                     'format': '$IMGFMT',
                     'sync': 'none'}}" \
@@ -118,6 +119,7 @@ echo
 test_blockjob \
     "{'execute': 'drive-mirror',
       'arguments': {'device': 'drv0',
+                    'job-id': 'mirror1',
                     'target': '$TEST_DIR/o.$IMGFMT',
                     'format': '$IMGFMT',
                     'sync': 'none'}}" \
@@ -134,7 +136,7 @@ echo
 
 test_blockjob \
     "{'execute': 'block-commit',
-      'arguments': {'device': 'drv0'}}" \
+      'arguments': {'device': 'drv0', 'job-id': 'commit1'}}" \
     'BLOCK_JOB_READY' \
     'BLOCK_JOB_COMPLETED'
 
@@ -151,6 +153,7 @@ $QEMU_IO -c 'write 0 1M' "$TEST_DIR/m.$IMGFMT" | 
_filter_qemu_io
 test_blockjob \
     "{'execute': 'block-commit',
       'arguments': {'device': 'drv0',
+                    'job-id': 'commit2',
                     'top':    '$TEST_DIR/m.$IMGFMT',
                     'speed':  1}}" \
     'return' \
@@ -173,6 +176,7 @@ $QEMU_IO -c 'write 0 1M' "$TEST_DIR/b.$IMGFMT" | 
_filter_qemu_io
 test_blockjob \
     "{'execute': 'block-stream',
       'arguments': {'device': 'drv0',
+                    'job-id': 'stream1',
                     'speed': 1}}" \
     'return' \
     'BLOCK_JOB_CANCELLED'
diff --git a/tests/qemu-iotests/141.out b/tests/qemu-iotests/141.out
index adceac1..36c72bc 100644
--- a/tests/qemu-iotests/141.out
+++ b/tests/qemu-iotests/141.out
@@ -11,7 +11,7 @@ Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 
backing_file=TEST_DIR/t.
 {"return": {}}
 {"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device 
is in use by block job: backup"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 0, 
"speed": 0, "type": "backup"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 0, 
"speed": 0, "type": "backup", "id": "backup1"}}
 {"return": {}}
 
 === Testing drive-mirror ===
@@ -19,20 +19,20 @@ Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 
backing_file=TEST_DIR/t.
 {"return": {}}
 Formatting 'TEST_DIR/o.IMGFMT', fmt=IMGFMT size=1048576 
backing_file=TEST_DIR/t.IMGFMT backing_fmt=IMGFMT
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "drv0", "len": 0, "offset": 0, "speed": 
0, "type": "mirror"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "drv0", "len": 0, "offset": 0, "speed": 
0, "type": "mirror", "id": "mirror1"}}
 {"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device 
is in use by block job: mirror"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "drv0", "len": 0, "offset": 0, 
"speed": 0, "type": "mirror"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "drv0", "len": 0, "offset": 0, 
"speed": 0, "type": "mirror", "id": "mirror1"}}
 {"return": {}}
 
 === Testing active block-commit ===
 
 {"return": {}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "drv0", "len": 0, "offset": 0, "speed": 
0, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "drv0", "len": 0, "offset": 0, "speed": 
0, "type": "commit", "id": "commit1"}}
 {"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device 
is in use by block job: commit"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "drv0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "drv0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit", "id": "commit1"}}
 {"return": {}}
 
 === Testing non-active block-commit ===
@@ -43,7 +43,7 @@ wrote 1048576/1048576 bytes at offset 0
 {"return": {}}
 {"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device 
is in use by block job: commit"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 
524288, "speed": 1, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 
524288, "speed": 1, "type": "commit", "id": "commit2"}}
 {"return": {}}
 
 === Testing block-stream ===
@@ -54,6 +54,6 @@ wrote 1048576/1048576 bytes at offset 0
 {"return": {}}
 {"error": {"class": "GenericError", "desc": "Node 'drv0' is busy: block device 
is in use by block job: stream"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 
524288, "speed": 1, "type": "stream"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_CANCELLED", "data": {"device": "drv0", "len": 1048576, "offset": 
524288, "speed": 1, "type": "stream", "id": "stream1"}}
 {"return": {}}
 *** done
diff --git a/tests/qemu-iotests/144 b/tests/qemu-iotests/144
index 00de3c3..09cebcc 100755
--- a/tests/qemu-iotests/144
+++ b/tests/qemu-iotests/144
@@ -85,6 +85,7 @@ echo
 # Block commit on active layer, push the new overlay into base
 _send_qemu_cmd $h "{ 'execute': 'block-commit',
                                 'arguments': {
+                                                 'job-id': 'commit1',
                                                  'device': 'virtio0'
                                               }
                     }" "READY"
diff --git a/tests/qemu-iotests/144.out b/tests/qemu-iotests/144.out
index 410d741..3208c1f 100644
--- a/tests/qemu-iotests/144.out
+++ b/tests/qemu-iotests/144.out
@@ -13,9 +13,9 @@ Formatting 'TEST_DIR/tmp.qcow2', fmt=qcow2 size=536870912 
backing_file=TEST_DIR/
 === Performing block-commit on active layer ===
 
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "virtio0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "virtio0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit", "id": "commit1"}}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "virtio0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "virtio0", "len": 0, "offset": 0, 
"speed": 0, "type": "commit", "id": "commit1"}}
 
 === Performing Live Snapshot 2 ===
 
diff --git a/tests/qemu-iotests/156 b/tests/qemu-iotests/156
index cc95ff1..f3d9842 100755
--- a/tests/qemu-iotests/156
+++ b/tests/qemu-iotests/156
@@ -87,6 +87,7 @@ TEST_IMG="$TEST_IMG.target.overlay" _make_test_img -b 
"$TEST_IMG.target" 1M
 _send_qemu_cmd $QEMU_HANDLE \
     "{ 'execute': 'drive-mirror',
        'arguments': { 'device': 'source',
+                      'job-id': 'mirror1',
                       'target': '$TEST_IMG.target.overlay',
                       'mode': 'existing',
                       'sync': 'top' } }" \
diff --git a/tests/qemu-iotests/156.out b/tests/qemu-iotests/156.out
index 3af82ae..ced3be3 100644
--- a/tests/qemu-iotests/156.out
+++ b/tests/qemu-iotests/156.out
@@ -13,12 +13,12 @@ wrote 131072/131072 bytes at offset 131072
 {"return": ""}
 Formatting 'TEST_DIR/t.IMGFMT.target.overlay', fmt=IMGFMT size=1048576 
backing_file=TEST_DIR/t.IMGFMT.target
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "source", "len": 131072, "offset": 
131072, "speed": 0, "type": "mirror"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_READY", "data": {"device": "source", "len": 131072, "offset": 
131072, "speed": 0, "type": "mirror", "id": "mirror1"}}
 wrote 65536/65536 bytes at offset 196608
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": ""}
 {"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "source", "len": 196608, "offset": 
196608, "speed": 0, "type": "mirror"}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"BLOCK_JOB_COMPLETED", "data": {"device": "source", "len": 196608, "offset": 
196608, "speed": 0, "type": "mirror", "id": "mirror1"}}
 
 read 65536/65536 bytes at offset 0
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-- 
2.8.1


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