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-rw-r--r--Documentation/filesystems/ubifs.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 340512c3250..dd84ea3c10d 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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