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-rw-r--r--include/block/block_int.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 74a78a6831..ae609bd4d6 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -325,8 +325,8 @@ struct BlockDriverState {
/* Whether produces zeros when read beyond eof */
bool zero_beyond_eof;
- /* the memory alignment required for the buffers handled by this driver */
- int buffer_alignment;
+ /* the block size for which the guest device expects atomicity */
+ int guest_block_size;
/* do we need to tell the quest if we have a volatile write cache? */
int enable_write_cache;