diff options
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/blockdev.c b/blockdev.c index 1d498c7b19..c9a0068cd6 100644 --- a/blockdev.c +++ b/blockdev.c @@ -3426,6 +3426,7 @@ static void blockdev_mirror_common(BlockDriverState *bs, BlockDriverState *target, bool has_replaces, const char *replaces, enum MirrorSyncMode sync, + BlockMirrorBackingMode backing_mode, bool has_speed, int64_t speed, bool has_granularity, uint32_t granularity, bool has_buf_size, int64_t buf_size, @@ -3483,7 +3484,7 @@ static void blockdev_mirror_common(BlockDriverState *bs, */ mirror_start(bs, target, has_replaces ? replaces : NULL, - speed, granularity, buf_size, sync, + speed, granularity, buf_size, sync, backing_mode, on_source_error, on_target_error, unmap, block_job_cb, bs, errp); } @@ -3506,6 +3507,7 @@ void qmp_drive_mirror(const char *device, const char *target, BlockBackend *blk; BlockDriverState *source, *target_bs; AioContext *aio_context; + BlockMirrorBackingMode backing_mode; Error *local_err = NULL; QDict *options = NULL; int flags; @@ -3579,6 +3581,12 @@ void qmp_drive_mirror(const char *device, const char *target, } } + if (mode == NEW_IMAGE_MODE_ABSOLUTE_PATHS) { + backing_mode = MIRROR_SOURCE_BACKING_CHAIN; + } else { + backing_mode = MIRROR_OPEN_BACKING_CHAIN; + } + if ((sync == MIRROR_SYNC_MODE_FULL || !source) && mode != NEW_IMAGE_MODE_EXISTING) { @@ -3627,7 +3635,7 @@ void qmp_drive_mirror(const char *device, const char *target, bdrv_set_aio_context(target_bs, aio_context); blockdev_mirror_common(bs, target_bs, - has_replaces, replaces, sync, + has_replaces, replaces, sync, backing_mode, has_speed, speed, has_granularity, granularity, has_buf_size, buf_size, @@ -3659,6 +3667,7 @@ void qmp_blockdev_mirror(const char *device, const char *target, BlockBackend *blk; BlockDriverState *target_bs; AioContext *aio_context; + BlockMirrorBackingMode backing_mode = MIRROR_LEAVE_BACKING_CHAIN; Error *local_err = NULL; blk = blk_by_name(device); @@ -3684,7 +3693,7 @@ void qmp_blockdev_mirror(const char *device, const char *target, bdrv_set_aio_context(target_bs, aio_context); blockdev_mirror_common(bs, target_bs, - has_replaces, replaces, sync, + has_replaces, replaces, sync, backing_mode, has_speed, speed, has_granularity, granularity, has_buf_size, buf_size, |