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-rw-r--r--include/linux/drbd_limits.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 447c3675238..75f05af3372 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -102,10 +102,12 @@
#define DRBD_RATE_DEF 250 /* kb/second */
/* less than 7 would hit performance unnecessarily.
- * 3833 is the largest prime that still does fit
- * into 64 sectors of activity log */
+ * 919 slots context information per transaction,
+ * 32k activity log, 4k transaction size,
+ * one transaction in flight:
+ * 919 * 7 = 6433 */
#define DRBD_AL_EXTENTS_MIN 7
-#define DRBD_AL_EXTENTS_MAX 3833
+#define DRBD_AL_EXTENTS_MAX 6433
#define DRBD_AL_EXTENTS_DEF 127
#define DRBD_AFTER_MIN -1