1 files changed, 8 insertions, 2 deletions

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 6d94e0696f8c..af6885c3c821 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -153,8 +153,8 @@ journal_dev=devnum	When the external journal device's major/minor numbers
                         identified through its new major/minor numbers encoded
                         in devnum.
 
-noload                  Don't load the journal on mounting.  Note that
-                        if the filesystem was not unmounted cleanly,
+norecovery              Don't load the journal on mounting.  Note that
+noload                  if the filesystem was not unmounted cleanly,
                         skipping the journal replay will lead to the
                         filesystem containing inconsistencies that can
                         lead to any number of problems.
@@ -353,6 +353,12 @@ noauto_da_alloc		replacing existing files via patterns such as
                         system crashes before the delayed allocation
                         blocks are forced to disk.
 
+discard         Controls whether ext4 should issue discard/TRIM
+nodiscard(*)            commands to the underlying block device when
+                        blocks are freed.  This is useful for SSD devices
+                        and sparse/thinly-provisioned LUNs, but it is off
+                        by default until sufficient testing has been done.
+
 Data Mode
 =========
 There are 3 different data modes: