From: Zhi Yong Wu <wu...@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com> --- block.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c index 1fbf4dd..5baf340 100644 --- a/block.c +++ b/block.c @@ -1477,6 +1477,12 @@ static int bdrv_rw_co(BlockDriverState *bs, int64_t sector_num, uint8_t *buf, qemu_iovec_init_external(&qiov, &iov, 1); + if (bs->io_limits_enabled) { + fprintf(stderr, "Disabling I/O throttling on '%s' due " + "to synchronous I/O.\n", bdrv_get_device_name(bs)); + bdrv_io_limits_disable(bs); + } + if (qemu_in_coroutine()) { /* Fast-path if already in coroutine context */ bdrv_rw_co_entry(&rwco); -- 1.7.6