From 922453bca6a927bb527068ae8679d587cfa45dbc Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Wed, 30 Nov 2011 12:23:43 +0000 Subject: block: convert qemu_aio_flush() calls to bdrv_drain_all() Many places in QEMU call qemu_aio_flush() to complete all pending asynchronous I/O. Most of these places actually want to drain all block requests but there is no block layer API to do so. This patch introduces the bdrv_drain_all() API to wait for requests across all BlockDriverStates to complete. As a bonus we perform checks after qemu_aio_wait() to ensure that requests really have finished. Signed-off-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- block-migration.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'block-migration.c') diff --git a/block-migration.c b/block-migration.c index 5f10486416..423c5a07b6 100644 --- a/block-migration.c +++ b/block-migration.c @@ -387,7 +387,7 @@ static int mig_save_device_dirty(Monitor *mon, QEMUFile *f, for (sector = bmds->cur_dirty; sector < bmds->total_sectors;) { if (bmds_aio_inflight(bmds, sector)) { - qemu_aio_flush(); + bdrv_drain_all(); } if (bdrv_get_dirty(bmds->bs, sector)) { -- cgit v1.2.1