config 9P_FS tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" depends on INET && NET_9P && EXPERIMENTAL 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. config 9P_FSCACHE bool "Enable 9P client caching support (EXPERIMENTAL)" depends on EXPERIMENTAL 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" depends on 9P_FS 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