1What:           /sys/module/xen_blkfront/parameters/max_indirect_segments
2Date:           June 2013
3KernelVersion:  3.11
4Contact:        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
5Description:
6                Maximum number of segments that the frontend will negotiate
7                with the backend for indirect descriptors. The default value
8                is 32 - higher value means more potential throughput but more
9                memory usage. The backend picks the minimum of the frontend
10                and its default backend value.
11
12What:           /sys/module/xen_blkfront/parameters/feature_persistent
13Date:           September 2020
14KernelVersion:  5.10
15Contact:        SeongJae Park <sjpark@amazon.de>
16Description:
17                Whether to enable the persistent grants feature or not.  Note
18                that this option only takes effect on newly created frontends.
19                The default is Y (enable).
20