dm-integrity: Document Inline mode for storing integrity data

This patch adds documentation for new 'I' mode for dm-integrity
introduced in commit
fb0987682c62 ("dm-integrity: introduce the Inline mode").

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

diff --git a/Documentation/admin-guide/device-mapper/dm-integrity.rst b/Documentation/admin-guide/device-mapper/dm-integrity.rst
index d8a5f14d0e3c41a78d77678519bd2513b04dc009..c2e18ecc065c921104ec9625ab7f35e63c59d706 100644 (file)
--- a/Documentation/admin-guide/device-mapper/dm-integrity.rst
+++ b/Documentation/admin-guide/device-mapper/dm-integrity.rst
@@ -92,6 +92,11 @@ Target arguments:
                allowed. This mode is useful for data recovery if the
                device cannot be activated in any of the other standard
                modes.
+       I - inline mode - in this mode, dm-integrity will store integrity
+               data directly in the underlying device sectors.
+               The underlying device must have an integrity profile that
+               allows storing user integrity data and provides enough
+               space for the selected integrity tag.
 
 5. the number of additional arguments