If io_limits are specified during runtime that exceed the number of operations
in flight
bs->io_base is not initialized in the else statement in bdrv_exceed_io_limits().
The wait time calculated in bdrv_exceed_{bps,iops}_limits is thus totally wrong
and the machine locks.
Signed-off-by: Peter Lieven <[email protected]>
---
block.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/block.c b/block.c
index 4e28c55..309aa85 100644
--- a/block.c
+++ b/block.c
@@ -159,6 +159,10 @@ void bdrv_io_limits_enable(BlockDriverState *bs)
bs->slice_start = qemu_get_clock_ns(vm_clock);
bs->slice_end = bs->slice_start + bs->slice_time;
memset(&bs->io_base, 0, sizeof(bs->io_base));
+ bs->io_base.bytes[0] = bs->nr_bytes[0];
+ bs->io_base.bytes[1] = bs->nr_bytes[1];
+ bs->io_base.ios[0] = bs->nr_ops[0];
+ bs->io_base.ios[1] = bs->nr_ops[1];
bs->io_limits_enabled = true;
}
--
1.7.9.5
