Commit 4a5caa4a authored by Milan Broz's avatar Milan Broz Committed by Mike Snitzer

dm crypt: document new no_workqueue flags

Commit 39d42fa9 ("dm crypt: add flags to optionally bypass kcryptd
workqueues") introduced new dm-crypt 'no_read_workqueue' and
'no_write_workqueue' flags.

Add documentation to admin guide for them.

Fixes: 39d42fa9 ("dm crypt: add flags to optionally bypass kcryptd workqueues")
Signed-off-by: default avatarMilan Broz <gmazyland@gmail.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent cf9c3786
...@@ -121,6 +121,14 @@ submit_from_crypt_cpus ...@@ -121,6 +121,14 @@ submit_from_crypt_cpus
thread because it benefits CFQ to have writes submitted using the thread because it benefits CFQ to have writes submitted using the
same context. 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> integrity:<bytes>:<type>
The device requires additional <bytes> metadata per-sector stored The device requires additional <bytes> metadata per-sector stored
in per-bio integrity structure. This metadata must by provided in per-bio integrity structure. This metadata must by provided
......
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