UBIFS: add no_chk_data_crc mount option

[linux-2.6-omap-h63xx.git] / Documentation / filesystems / ubifs.txt

diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 340512c325069422e7793059340eb80b362dd89c..dd84ea3c10daf00cf78a2361dce9f8b691095e4d 100644 (file)
--- 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
 
 
 Quick usage instructions