diff options
| -rw-r--r-- | blockdev.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/blockdev.c b/blockdev.c index 1cb96403e1..0115f4609c 100644 --- a/blockdev.c +++ b/blockdev.c @@ -785,10 +785,7 @@ typedef struct BlkTransactionStates { QSIMPLEQ_ENTRY(BlkTransactionStates) entry; } BlkTransactionStates; -static void external_snapshot_prepare(const char *device, - const char *format, - const char *new_image_file, - enum NewImageMode mode, +static void external_snapshot_prepare(BlockdevAction *action, BlkTransactionStates *states, Error **errp) { @@ -796,7 +793,24 @@ static void external_snapshot_prepare(const char *device, BlockDriver *drv; int flags, ret; Error *local_err = NULL; + const char *device; + const char *new_image_file; + const char *format = "qcow2"; + enum NewImageMode mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; + /* get parameters */ + g_assert(action->kind == BLOCKDEV_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC); + + device = action->blockdev_snapshot_sync->device; + new_image_file = action->blockdev_snapshot_sync->snapshot_file; + if (action->blockdev_snapshot_sync->has_format) { + format = action->blockdev_snapshot_sync->format; + } + if (action->blockdev_snapshot_sync->has_mode) { + mode = action->blockdev_snapshot_sync->mode; + } + + /* start processing */ drv = bdrv_find_format(format); if (!drv) { error_set(errp, QERR_INVALID_BLOCK_FORMAT, format); @@ -877,10 +891,6 @@ void qmp_transaction(BlockdevActionList *dev_list, Error **errp) /* We don't do anything in this loop that commits us to the snapshot */ while (NULL != dev_entry) { BlockdevAction *dev_info = NULL; - enum NewImageMode mode; - const char *new_image_file; - const char *device; - const char *format = "qcow2"; dev_info = dev_entry->value; dev_entry = dev_entry->next; @@ -890,17 +900,7 @@ void qmp_transaction(BlockdevActionList *dev_list, Error **errp) switch (dev_info->kind) { case BLOCKDEV_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC: - device = dev_info->blockdev_snapshot_sync->device; - if (!dev_info->blockdev_snapshot_sync->has_mode) { - dev_info->blockdev_snapshot_sync->mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; - } - new_image_file = dev_info->blockdev_snapshot_sync->snapshot_file; - if (dev_info->blockdev_snapshot_sync->has_format) { - format = dev_info->blockdev_snapshot_sync->format; - } - mode = dev_info->blockdev_snapshot_sync->mode; - external_snapshot_prepare(device, format, new_image_file, - mode, states, &local_err); + external_snapshot_prepare(dev_info, states, errp); if (error_is_set(&local_err)) { error_propagate(errp, local_err); goto delete_and_fail; |