[Qemu-devel] [PATCH 1/3] Revert "block: complete all IOs before .bdrv_truncate"

[Peter Lieven]

brdv_truncate() is also called from readv/writev commands on self-
growing file based storage. this will result in requests waiting
for theirselves to complete.

This reverts commit 9a665b2b8640e464f0a778216fc2dca8d02acf33.
---
 block.c |    4 ----
 1 file changed, 4 deletions(-)

diff --git a/block.c b/block.c
index 124a9eb..60c246a 100644
--- a/block.c
+++ b/block.c
@@ -2449,10 +2449,6 @@ 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);
--
1.7.9.5