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-rw-r--r--Documentation/admin-guide/device-mapper/dm-crypt.rst14
1 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/admin-guide/device-mapper/dm-crypt.rst b/Documentation/admin-guide/device-mapper/dm-crypt.rst
index 8f4a3f889d43..aa2d04d95df6 100644
--- a/Documentation/admin-guide/device-mapper/dm-crypt.rst
+++ b/Documentation/admin-guide/device-mapper/dm-crypt.rst
@@ -46,7 +46,7 @@ Parameters::
capi:authenc(hmac(sha256),xts(aes))-random
capi:rfc7539(chacha20,poly1305)-random
- The /proc/crypto contains a list of curently loaded crypto modes.
+ The /proc/crypto contains a list of currently loaded crypto modes.
<key>
Key used for encryption. It is encoded either as a hexadecimal number
@@ -67,7 +67,7 @@ Parameters::
the value passed in <key_size>.
<key_type>
- Either 'logon' or 'user' kernel key type.
+ Either 'logon', 'user', 'encrypted' or 'trusted' kernel key type.
<key_description>
The kernel keyring key description crypt target should look for
@@ -92,7 +92,7 @@ Parameters::
<#opt_params>
Number of optional parameters. If there are no optional parameters,
- the optional paramaters section can be skipped or #opt_params can be zero.
+ the optional parameters section can be skipped or #opt_params can be zero.
Otherwise #opt_params is the number of following arguments.
Example of optional parameters section:
@@ -121,6 +121,14 @@ submit_from_crypt_cpus
thread because it benefits CFQ to have writes submitted using the
same context.
+no_read_workqueue
+ Bypass dm-crypt internal workqueue and process read requests synchronously.
+
+no_write_workqueue
+ Bypass dm-crypt internal workqueue and process write requests synchronously.
+ This option is automatically enabled for host-managed zoned block devices
+ (e.g. host-managed SMR hard-disks).
+
integrity:<bytes>:<type>
The device requires additional <bytes> metadata per-sector stored
in per-bio integrity structure. This metadata must by provided