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