linux-next/Documentation/ABI/testing/sysfs-driver-xen-blkfront
SeongJae Park 12f112c3e3 xen-blk{back,front}: Update contact points for buffer_squeeze_duration_ms and feature_persistent
SeongJae is currently listed as a contact point for some blk{back,front}
features, but he will not work for XEN for a while.  This commit
therefore updates the contact point to his colleague, Maximilian, who is
understanding the context and actively working with the features now.

Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Maximilian Heyne <mheyne@amazon.de>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20220420072734.1692-1-sj@kernel.org
Signed-off-by: Juergen Gross <jgross@suse.com>
2022-05-19 14:38:28 +02:00

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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: Maximilian Heyne <mheyne@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).