1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 340512c32506..dd84ea3c10da 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -89,6 +89,12 @@ fast_unmount		do not commit on unmount; this option makes
 bulk_read               read more in one go to take advantage of flash
                         media that read faster sequentially
 no_bulk_read (*)        do not bulk-read
+no_chk_data_crc         skip checking of CRCs on data nodes in order to
+                        improve read performance. Use this option only
+                        if the flash media is highly reliable. The effect
+                        of this option is that corruption of the contents
+                        of a file can go unnoticed.
+chk_data_crc (*)        do not skip checking CRCs on data nodes
 
 
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