12f112c3e3
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>
47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
What: /sys/module/xen_blkback/parameters/max_buffer_pages
|
|
Date: March 2013
|
|
KernelVersion: 3.11
|
|
Contact: Roger Pau Monné <roger.pau@citrix.com>
|
|
Description:
|
|
Maximum number of free pages to keep in each block
|
|
backend buffer.
|
|
|
|
What: /sys/module/xen_blkback/parameters/max_persistent_grants
|
|
Date: March 2013
|
|
KernelVersion: 3.11
|
|
Contact: Roger Pau Monné <roger.pau@citrix.com>
|
|
Description:
|
|
Maximum number of grants to map persistently in
|
|
blkback. If the frontend tries to use more than
|
|
max_persistent_grants, the LRU kicks in and starts
|
|
removing 5% of max_persistent_grants every 100ms.
|
|
|
|
What: /sys/module/xen_blkback/parameters/persistent_grant_unused_seconds
|
|
Date: August 2018
|
|
KernelVersion: 4.19
|
|
Contact: Roger Pau Monné <roger.pau@citrix.com>
|
|
Description:
|
|
How long a persistent grant is allowed to remain
|
|
allocated without being in use. The time is in
|
|
seconds, 0 means indefinitely long.
|
|
The default is 60 seconds.
|
|
|
|
What: /sys/module/xen_blkback/parameters/buffer_squeeze_duration_ms
|
|
Date: December 2019
|
|
KernelVersion: 5.6
|
|
Contact: Maximilian Heyne <mheyne@amazon.de>
|
|
Description:
|
|
When memory pressure is reported to blkback this option
|
|
controls the duration in milliseconds that blkback will not
|
|
cache any page not backed by a grant mapping.
|
|
The default is 10ms.
|
|
|
|
What: /sys/module/xen_blkback/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 backends.
|
|
The default is Y (enable).
|