dm verity: Add documentation for try_verify_in_tasklet option
authorMilan Broz <gmazyland@gmail.com>
Tue, 27 Sep 2022 18:42:26 +0000 (20:42 +0200)
committerMike Snitzer <snitzer@kernel.org>
Tue, 18 Oct 2022 21:17:48 +0000 (17:17 -0400)
Add documentation that was missing from commit 5721d4e5a9cd ("dm
verity: Add optional "try_verify_in_tasklet" feature").

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Documentation/admin-guide/device-mapper/verity.rst

index 1a6b913..a65c160 100644 (file)
@@ -141,6 +141,10 @@ root_hash_sig_key_desc <key_description>
     also gain new certificates at run time if they are signed by a certificate
     already in the secondary trusted keyring.
 
+try_verify_in_tasklet
+    If verity hashes are in cache, verify data blocks in kernel tasklet instead
+    of workqueue. This option can reduce IO latency.
+
 Theory of operation
 ===================