diff options
| -rw-r--r-- | block/mirror.c | 15 | ||||
| -rw-r--r-- | blockdev.c | 15 | ||||
| -rw-r--r-- | hmp.c | 2 | ||||
| -rw-r--r-- | include/block/block_int.h | 6 | ||||
| -rw-r--r-- | qapi/block-core.json | 12 | ||||
| -rw-r--r-- | qmp-commands.hx | 10 |
6 files changed, 37 insertions, 23 deletions
diff --git a/block/mirror.c b/block/mirror.c index 08d88cad8a..702a686145 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -843,8 +843,8 @@ static const BlockJobDriver commit_active_job_driver = { .attached_aio_context = mirror_attached_aio_context, }; -static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, - const char *replaces, +static void mirror_start_job(const char *job_id, BlockDriverState *bs, + BlockDriverState *target, const char *replaces, int64_t speed, uint32_t granularity, int64_t buf_size, BlockMirrorBackingMode backing_mode, @@ -873,7 +873,7 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, buf_size = DEFAULT_MIRROR_BUF_SIZE; } - s = block_job_create(NULL, driver, bs, speed, cb, opaque, errp); + s = block_job_create(job_id, driver, bs, speed, cb, opaque, errp); if (!s) { return; } @@ -906,8 +906,8 @@ static void mirror_start_job(BlockDriverState *bs, BlockDriverState *target, qemu_coroutine_enter(s->common.co, s); } -void mirror_start(BlockDriverState *bs, BlockDriverState *target, - const char *replaces, +void mirror_start(const char *job_id, BlockDriverState *bs, + BlockDriverState *target, const char *replaces, int64_t speed, uint32_t granularity, int64_t buf_size, MirrorSyncMode mode, BlockMirrorBackingMode backing_mode, BlockdevOnError on_source_error, @@ -925,7 +925,7 @@ void mirror_start(BlockDriverState *bs, BlockDriverState *target, } is_none_mode = mode == MIRROR_SYNC_MODE_NONE; base = mode == MIRROR_SYNC_MODE_TOP ? backing_bs(bs) : NULL; - mirror_start_job(bs, target, replaces, + mirror_start_job(job_id, bs, target, replaces, speed, granularity, buf_size, backing_mode, on_source_error, on_target_error, unmap, cb, opaque, errp, &mirror_job_driver, is_none_mode, base); @@ -973,7 +973,8 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, } } - mirror_start_job(bs, base, NULL, speed, 0, 0, MIRROR_LEAVE_BACKING_CHAIN, + mirror_start_job(NULL, bs, base, NULL, speed, 0, 0, + MIRROR_LEAVE_BACKING_CHAIN, on_error, on_error, false, cb, opaque, &local_err, &commit_active_job_driver, false, base); if (local_err) { diff --git a/blockdev.c b/blockdev.c index e649521e0c..2008690045 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3422,7 +3422,7 @@ void qmp_blockdev_backup(const char *device, const char *target, /* Parameter check and block job starting for drive mirroring. * Caller should hold @device and @target's aio context (must be the same). **/ -static void blockdev_mirror_common(BlockDriverState *bs, +static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs, BlockDriverState *target, bool has_replaces, const char *replaces, enum MirrorSyncMode sync, @@ -3482,15 +3482,15 @@ static void blockdev_mirror_common(BlockDriverState *bs, /* pass the node name to replace to mirror start since it's loose coupling * and will allow to check whether the node still exist at mirror completion */ - mirror_start(bs, target, + mirror_start(job_id, bs, target, has_replaces ? replaces : NULL, speed, granularity, buf_size, sync, backing_mode, on_source_error, on_target_error, unmap, block_job_cb, bs, errp); } -void qmp_drive_mirror(const char *device, const char *target, - bool has_format, const char *format, +void qmp_drive_mirror(bool has_job_id, const char *job_id, const char *device, + const char *target, bool has_format, const char *format, bool has_node_name, const char *node_name, bool has_replaces, const char *replaces, enum MirrorSyncMode sync, @@ -3634,7 +3634,7 @@ void qmp_drive_mirror(const char *device, const char *target, bdrv_set_aio_context(target_bs, aio_context); - blockdev_mirror_common(bs, target_bs, + blockdev_mirror_common(has_job_id ? job_id : NULL, bs, target_bs, has_replaces, replaces, sync, backing_mode, has_speed, speed, has_granularity, granularity, @@ -3649,7 +3649,8 @@ out: aio_context_release(aio_context); } -void qmp_blockdev_mirror(const char *device, const char *target, +void qmp_blockdev_mirror(bool has_job_id, const char *job_id, + const char *device, const char *target, bool has_replaces, const char *replaces, MirrorSyncMode sync, bool has_speed, int64_t speed, @@ -3690,7 +3691,7 @@ void qmp_blockdev_mirror(const char *device, const char *target, bdrv_set_aio_context(target_bs, aio_context); - blockdev_mirror_common(bs, target_bs, + blockdev_mirror_common(has_job_id ? job_id : NULL, bs, target_bs, has_replaces, replaces, sync, backing_mode, has_speed, speed, has_granularity, granularity, @@ -1097,7 +1097,7 @@ void hmp_drive_mirror(Monitor *mon, const QDict *qdict) mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; } - qmp_drive_mirror(device, filename, !!format, format, + qmp_drive_mirror(false, NULL, device, filename, !!format, format, false, NULL, false, NULL, full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP, true, mode, false, 0, false, 0, false, 0, diff --git a/include/block/block_int.h b/include/block/block_int.h index 2a27a1946b..ad44fb959e 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -697,6 +697,8 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, void *opaque, Error **errp); /* * mirror_start: + * @job_id: The id of the newly-created job, or %NULL to use the + * device name of @bs. * @bs: Block device to operate on. * @target: Block device to write to. * @replaces: Block graph node name to replace once the mirror is done. Can @@ -718,8 +720,8 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base, * manually completed. At the end of a successful mirroring job, * @bs will be switched to read from @target. */ -void mirror_start(BlockDriverState *bs, BlockDriverState *target, - const char *replaces, +void mirror_start(const char *job_id, BlockDriverState *bs, + BlockDriverState *target, const char *replaces, int64_t speed, uint32_t granularity, int64_t buf_size, MirrorSyncMode mode, BlockMirrorBackingMode backing_mode, BlockdevOnError on_source_error, diff --git a/qapi/block-core.json b/qapi/block-core.json index ac8f5f61d4..18cdd5b85d 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1108,6 +1108,9 @@ # # Start mirroring a block device's writes to a new destination. # +# @job-id: #optional identifier for the newly-created block job. If +# omitted, the device name will be used. (Since 2.7) +# # @device: the name of the device whose writes should be mirrored. # # @target: the target of the new image. If the file exists, or if it @@ -1160,8 +1163,8 @@ # Since 1.3 ## { 'command': 'drive-mirror', - 'data': { 'device': 'str', 'target': 'str', '*format': 'str', - '*node-name': 'str', '*replaces': 'str', + 'data': { '*job-id': 'str', 'device': 'str', 'target': 'str', + '*format': 'str', '*node-name': 'str', '*replaces': 'str', 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode', '*speed': 'int', '*granularity': 'uint32', '*buf-size': 'int', '*on-source-error': 'BlockdevOnError', @@ -1243,6 +1246,9 @@ # # Start mirroring a block device's writes to a new destination. # +# @job-id: #optional identifier for the newly-created block job. If +# omitted, the device name will be used. (Since 2.7) +# # @device: the name of the device whose writes should be mirrored. # # @target: the id or node-name of the block device to mirror to. This mustn't be @@ -1279,7 +1285,7 @@ # Since 2.6 ## { 'command': 'blockdev-mirror', - 'data': { 'device': 'str', 'target': 'str', + 'data': { '*job-id': 'str', 'device': 'str', 'target': 'str', '*replaces': 'str', 'sync': 'MirrorSyncMode', '*speed': 'int', '*granularity': 'uint32', diff --git a/qmp-commands.hx b/qmp-commands.hx index 6937e83cbd..6a2ec8f94f 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1656,8 +1656,8 @@ EQMP { .name = "drive-mirror", - .args_type = "sync:s,device:B,target:s,speed:i?,mode:s?,format:s?," - "node-name:s?,replaces:s?," + .args_type = "job-id:s?,sync:s,device:B,target:s,speed:i?,mode:s?," + "format:s?,node-name:s?,replaces:s?," "on-source-error:s?,on-target-error:s?," "unmap:b?," "granularity:i?,buf-size:i?", @@ -1677,6 +1677,8 @@ of the source. Arguments: +- "job-id": Identifier for the newly-created block job. If omitted, + the device name will be used. (json-string, optional) - "device": device name to operate on (json-string) - "target": name of new image file (json-string) - "format": format of new image (json-string, optional) @@ -1720,7 +1722,7 @@ EQMP { .name = "blockdev-mirror", - .args_type = "sync:s,device:B,target:B,replaces:s?,speed:i?," + .args_type = "job-id:s?,sync:s,device:B,target:B,replaces:s?,speed:i?," "on-source-error:s?,on-target-error:s?," "granularity:i?,buf-size:i?", .mhandler.cmd_new = qmp_marshal_blockdev_mirror, @@ -1735,6 +1737,8 @@ specifies the target of mirror operation. Arguments: +- "job-id": Identifier for the newly-created block job. If omitted, + the device name will be used. (json-string, optional) - "device": device name to operate on (json-string) - "target": device name to mirror to (json-string) - "replaces": the block driver node name to replace when finished |