diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-xen-blkback')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-xen-blkback | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-xen-blkback b/Documentation/ABI/testing/sysfs-driver-xen-blkback index ecb7942ff146..fac0f429a869 100644 --- a/Documentation/ABI/testing/sysfs-driver-xen-blkback +++ b/Documentation/ABI/testing/sysfs-driver-xen-blkback @@ -29,9 +29,18 @@ Description: What: /sys/module/xen_blkback/parameters/buffer_squeeze_duration_ms Date: December 2019 KernelVersion: 5.6 -Contact: SeongJae Park <sjpark@amazon.de> +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 connected backends. + The default is Y (enable). |