config 9P_FS tristate "Plan 9 Resource Sharing Support (9P2000)" depends on INET && NET_9P help If you say Y here, you will get experimental support for Plan 9 resource sharing via the 9P2000 protocol. See for more information. If unsure, say N. if 9P_FS config 9P_FSCACHE bool "Enable 9P client caching support" depends on 9P_FS=m && FSCACHE || 9P_FS=y && FSCACHE=y help Choose Y here to enable persistent, read-only local caching support for 9p clients using FS-Cache config 9P_FS_POSIX_ACL bool "9P POSIX Access Control Lists" select FS_POSIX_ACL help POSIX Access Control Lists (ACLs) support permissions for users and groups beyond the owner/group/world scheme. To learn more about Access Control Lists, visit the POSIX ACLs for Linux website . If you don't know what Access Control Lists are, say N endif config 9P_FS_SECURITY bool "9P Security Labels" depends on 9P_FS help Security labels support alternative access control models implemented by security modules like SELinux. This option enables an extended attribute handler for file security labels in the 9P filesystem. If you are not using a security module that requires using extended attributes for file security labels, say N.