Change parameter zfs_dmu_offset_next_sync default from 1 to 0.

module/zfs/dmu.c

@@ -80,7 +80,7 @@ unsigned long zfs_per_txg_dirty_frees_percent = 30;
  * Disabling this option will result in holes never being reported in dirty
  * files which is always safe.
  */
-int zfs_dmu_offset_next_sync = 1;
+int zfs_dmu_offset_next_sync = 0;
 
 /*
  * Limit the amount we can prefetch with one call to this amount.  This