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-rw-r--r--include/block/block_int.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 6860787eb6..35d4c19e29 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -402,6 +402,9 @@ struct BlockDriverState {
/* I/O stats (display with "info blockstats"). */
BlockAcctStats stats;
+ /* Offset after the highest byte written to */
+ uint64_t wr_highest_offset;
+
/* I/O Limits */
BlockLimits bl;