diff --git a/scst/README b/scst/README
index 479f583a3..d012bc60a 100644
--- a/scst/README
+++ b/scst/README
@@ -658,9 +658,8 @@ A target driver may have also the following entries:
     exist and contain value 1.
 
 Subdirectory "sessions" contains one subdirectory for each connected
-session with name equal to name of the connected initiator.
-
-Each session subdirectory contains the following entries:
+session with name equal to name of the connected initiator with the
+following entries:
 
  - initiator_name - contains initiator name
 
@@ -672,6 +671,31 @@ Each session subdirectory contains the following entries:
 
  - commands - contains overall number of SCSI commands in this session.
 
+ - read_cmd_count - number of READ SCSI commands received since beginning
+   or last reset (writing 0 in this attribute)
+
+ - read_io_count_kb - amount of data in KB read by the initiator since
+   beginning or last reset (writing 0 in this attribute)
+
+ - write_cmd_count - number of WRITE SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
+ - write_io_count_kb - amount of data in KB written by the initiator
+   since beginning or last reset (writing 0 in this attribute)
+
+ - bidi_cmd_count - number of BIDI SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
+ - bidi_io_count_kb - amount of data in KB transferred by the
+   initiator since beginning or last reset (writing 0 in this attribute)
+
+ - none_cmd_count - number of not transferring data SCSI commands
+   (e.g. INQUIRY or TEST UNIT READY) received since beginning or last
+   reset (writing 0 in this attribute)
+
+ - unknown_cmd_count - number of unknown SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
  - latency - if CONFIG_SCST_MEASURE_LATENCY enabled, contains latency
    statistics for this session.
 
diff --git a/scst/README_in-tree b/scst/README_in-tree
index 55e81d947..b93a434d6 100644
--- a/scst/README_in-tree
+++ b/scst/README_in-tree
@@ -534,9 +534,8 @@ A target driver may have also the following entries:
     exist and contain value 1.
 
 Subdirectory "sessions" contains one subdirectory for each connected
-session with name equal to name of the connected initiator.
-
-Each session subdirectory contains the following entries:
+session with name equal to name of the connected initiator with the
+following entries:
 
  - initiator_name - contains initiator name
 
@@ -548,6 +547,31 @@ Each session subdirectory contains the following entries:
 
  - commands - contains overall number of SCSI commands in this session.
 
+ - read_cmd_count - number of READ SCSI commands received since beginning
+   or last reset (writing 0 in this attribute)
+
+ - read_io_count_kb - amount of data in KB read by the initiator since
+   beginning or last reset (writing 0 in this attribute)
+
+ - write_cmd_count - number of WRITE SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
+ - write_io_count_kb - amount of data in KB written by the initiator
+   since beginning or last reset (writing 0 in this attribute)
+
+ - bidi_cmd_count - number of BIDI SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
+ - bidi_io_count_kb - amount of data in KB transferred by the
+   initiator since beginning or last reset (writing 0 in this attribute)
+
+ - none_cmd_count - number of not transferring data SCSI commands
+   (e.g. INQUIRY or TEST UNIT READY) received since beginning or last
+   reset (writing 0 in this attribute)
+
+ - unknown_cmd_count - number of unknown SCSI commands received since
+   beginning or last reset (writing 0 in this attribute)
+
  - latency - if CONFIG_SCST_MEASURE_LATENCY enabled, contains latency
    statistics for this session.