From 9a665b2b8640e464f0a778216fc2dca8d02acf33 Mon Sep 17 00:00:00 2001 From: Peter Lieven Date: Mon, 18 Feb 2013 13:48:31 +0100 Subject: [PATCH] block: complete all IOs before .bdrv_truncate bdrv_truncate() invalidates the bdrv_check_request() result for in-flight requests, so there should better be none. Cc: qemu-stable@nongnu.org Signed-off-by: Peter Lieven Reported-by: Kevin Wolf Reviewed-by: Paolo Bonzini Signed-off-by: Kevin Wolf --- block.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block.c b/block.c index a4d7125eec..f184b376da 100644 --- a/block.c +++ b/block.c @@ -2427,6 +2427,10 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset) return -EACCES; if (bdrv_in_use(bs)) return -EBUSY; + + /* There better not be any in-flight IOs when we truncate the device. */ + bdrv_drain_all(); + ret = drv->bdrv_truncate(bs, offset); if (ret == 0) { ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); -- GitLab