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-rw-r--r--block/blk-stat.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-stat.h b/block/blk-stat.h
index 2dd36347252a..c22049a8125e 100644
--- a/block/blk-stat.h
+++ b/block/blk-stat.h
@@ -10,11 +10,11 @@
/*
* from upper:
- * 3 bits: reserved for other usage
+ * 4 bits: reserved for other usage
* 12 bits: size
- * 49 bits: time
+ * 48 bits: time
*/
-#define BLK_STAT_RES_BITS 3
+#define BLK_STAT_RES_BITS 4
#define BLK_STAT_SIZE_BITS 12
#define BLK_STAT_RES_SHIFT (64 - BLK_STAT_RES_BITS)
#define BLK_STAT_SIZE_SHIFT (BLK_STAT_RES_SHIFT - BLK_STAT_SIZE_BITS)