SWN feature support
configname: CONFIG_CIFS_SWN_UPCALL
Linux Kernel Configuration
└─>File systems
└─>Network File Systems
└─>SWN feature support
In linux kernel since version 5.2 (release Date: 2019-07-07)
The Service Witness Protocol (SWN) is used to get notifications
from a highly available server of resource state changes. This
feature enables an upcall mechanism for CIFS which contacts a
userspace daemon to establish the DCE/RPC connection to retrieve
the cluster available interfaces and resource change notifications.
If unsure, say Y.
from a highly available server of resource state changes. This
feature enables an upcall mechanism for CIFS which contacts a
userspace daemon to establish the DCE/RPC connection to retrieve
the cluster available interfaces and resource change notifications.
If unsure, say Y.