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-rw-r--r--block.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/block.c b/block.c
index f4648e916f..c2fbf069fc 100644
--- a/block.c
+++ b/block.c
@@ -937,7 +937,6 @@ static int bdrv_open_common(BlockDriverState *bs, BdrvChild *file,
         goto fail_opts;
     }
 
-    bs->request_alignment = drv->bdrv_co_preadv ? 1 : 512;
     bs->read_only = !(bs->open_flags & BDRV_O_RDWR);
 
     if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, bs->read_only)) {