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-rw-r--r--Documentation/ABI/stable/sysfs-bus-xen-backend9
-rw-r--r--Documentation/ABI/testing/sysfs-driver-xen-blkback10
2 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-bus-xen-backend b/Documentation/ABI/stable/sysfs-bus-xen-backend
index 3d5951c8bf5f..e8b60bd766f7 100644
--- a/Documentation/ABI/stable/sysfs-bus-xen-backend
+++ b/Documentation/ABI/stable/sysfs-bus-xen-backend
@@ -73,3 +73,12 @@ KernelVersion: 3.0
Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Description:
Number of sectors written by the frontend.
+
+What: /sys/bus/xen-backend/devices/*/state
+Date: August 2018
+KernelVersion: 4.19
+Contact: Joe Jin <joe.jin@oracle.com>
+Description:
+ The state of the device. One of: 'Unknown',
+ 'Initialising', 'Initialised', 'Connected', 'Closing',
+ 'Closed', 'Reconfiguring', 'Reconfigured'.
diff --git a/Documentation/ABI/testing/sysfs-driver-xen-blkback b/Documentation/ABI/testing/sysfs-driver-xen-blkback
index 8bb43b66eb55..4e7babb3ba1f 100644
--- a/Documentation/ABI/testing/sysfs-driver-xen-blkback
+++ b/Documentation/ABI/testing/sysfs-driver-xen-blkback
@@ -15,3 +15,13 @@ Description:
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.