1 files changed, 30 insertions, 9 deletions

diff --git a/Documentation/ABI/testing/sysfs-block-zram b/Documentation/ABI/testing/sysfs-block-zram
index 3f0b9ae61d8c..70ec992514d0 100644
--- a/Documentation/ABI/testing/sysfs-block-zram
+++ b/Documentation/ABI/testing/sysfs-block-zram
@@ -43,6 +43,36 @@ Description:
                 The invalid_io file is read-only and specifies the number of
                 non-page-size-aligned I/O requests issued to this device.
 
+What:           /sys/block/zram<id>/failed_reads
+Date:           February 2014
+Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+Description:
+                The failed_reads file is read-only and specifies the number of
+                failed reads happened on this device.
+
+What:           /sys/block/zram<id>/failed_writes
+Date:           February 2014
+Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+Description:
+                The failed_writes file is read-only and specifies the number of
+                failed writes happened on this device.
+
+What:           /sys/block/zram<id>/max_comp_streams
+Date:           February 2014
+Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+Description:
+                The max_comp_streams file is read-write and specifies the
+                number of backend's zcomp_strm compression streams (number of
+                concurrent compress operations).
+
+What:           /sys/block/zram<id>/comp_algorithm
+Date:           February 2014
+Contact:        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
+Description:
+                The comp_algorithm file is read-write and lets to show
+                available and selected compression algorithms, change
+                compression algorithm selection.
+
 What:           /sys/block/zram<id>/notify_free
 Date:           August 2010
 Contact:        Nitin Gupta <ngupta@vflare.org>
@@ -53,15 +83,6 @@ Description:
                 is freed. This statistic is applicable only when this disk is
                 being used as a swap disk.
 
-What:           /sys/block/zram<id>/discard
-Date:           August 2010
-Contact:        Nitin Gupta <ngupta@vflare.org>
-Description:
-                The discard file is read-only and specifies the number of
-                discard requests received by this device. These requests
-                provide information to block device regarding blocks which are
-                no longer used by filesystem.
-
 What:           /sys/block/zram<id>/zero_pages
 Date:           August 2010
 Contact:        Nitin Gupta <ngupta@vflare.org>