Signed-off-by: Fam Zheng f...@redhat.com
---
blockdev.c | 10 +-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/blockdev.c b/blockdev.c
index ae52d27..bd28183 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1649,6 +1649,7 @@ typedef struct BlockdevBackupState {
On 13/05/2015 19:28, Fam Zheng wrote:
+state-bs = bs;
+error_setg(state-blocker, blockdev-backup in progress);
+bdrv_op_block(bs, BLOCK_OP_TYPE_DEVICE_IO, state-blocker);
+
qmp_blockdev_backup(backup-device, backup-target,
backup-sync,
On 13/05/2015 16:55, Fam Zheng wrote:
So if we consider this idea worthwhile, and decide that pausing device
I/O on the target should pause the block job, the backup job actually
has to prevent *adding a DEVICE_IO blocker* on the target.
When do we need to pause device IO on the target?
