dm crypt: document new no_workqueue flags (4a5caa4a) · Commits · 戴 / test

Commit ("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: ("dm crypt: add flags to optionally bypass kcryptd workqueues") Signed-off-by:

Milan Broz <gmazyland@gmail.com> Signed-off-by:

Mike Snitzer <snitzer@redhat.com>

Documentation/admin-guide/device-mapper/dm-crypt.rst

+8 −0

Original line number	Diff line number	Diff line
		@@ -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

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