Revert "vl: Fix to create migration object before block backends again"

[mirror_qemu.git] / block / block-backend.c

diff --git a/block/block-backend.c b/block/block-backend.c
index edad02a0f2a3a0b18bbe174fc7f8ec33aa7ed988..f78e82a707fdc032485ad7d36ec23ddd72d2e076 100644 (file)
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1764,6 +1764,13 @@ int blk_get_flags(BlockBackend *blk)
     }
 }
 
+/* Returns the minimum request alignment, in bytes; guaranteed nonzero */
+uint32_t blk_get_request_alignment(BlockBackend *blk)
+{
+    BlockDriverState *bs = blk_bs(blk);
+    return bs ? bs->bl.request_alignment : BDRV_SECTOR_SIZE;
+}
+
 /* Returns the maximum transfer length, in bytes; guaranteed nonzero */
 uint32_t blk_get_max_transfer(BlockBackend *blk)
 {