WIP FPC-III support
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-driver-xen-blkfront
blob28008905615f052f047c91d4c9190893334724e5
1 What:           /sys/module/xen_blkfront/parameters/max_indirect_segments
2 Date:           June 2013
3 KernelVersion:  3.11
4 Contact:        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
5 Description:
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.
12 What:           /sys/module/xen_blkfront/parameters/feature_persistent
13 Date:           September 2020
14 KernelVersion:  5.10
15 Contact:        SeongJae Park <sjpark@amazon.de>
16 Description:
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).