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