On 2020/08/21 2:46, Milan Broz wrote: > Patch 39d42fa96ba1b7d2544db3f8ed5da8fb0d5cb877 introduced new > dm-crypt no_read_workqueue and no_write_workqueue flags. > > This patch adds documentation to admin guide for them. > > Signed-off-by: Milan Broz <gmazyland@xxxxxxxxx> > --- > Documentation/admin-guide/device-mapper/dm-crypt.rst | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/admin-guide/device-mapper/dm-crypt.rst b/Documentation/admin-guide/device-mapper/dm-crypt.rst > index 8f4a3f889d43..94466921415d 100644 > --- a/Documentation/admin-guide/device-mapper/dm-crypt.rst > +++ b/Documentation/admin-guide/device-mapper/dm-crypt.rst > @@ -121,6 +121,12 @@ 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. Could you add one more line here saying something like: This option is automatically enabled for host-managed zoned block devices (e.g. host-managed SMR hard-disks). Thanks ! > + > integrity:<bytes>:<type> > The device requires additional <bytes> metadata per-sector stored > in per-bio integrity structure. This metadata must by provided > -- Damien Le Moal Western Digital Research -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel