Other possible values (multiple can be specified, comma separated) are uid to
map UIDs, gid to map GIDs, both to map UIDs and GIDs, and projid to map PROJIDs.
.RE
+.PP
+readonly_mount
+.RS 4
+Defaults to off, which lets clients mount in read-write mode. If set to 1,
+clients are only allowed to mount in read-only mount, and get -EROFS otherwise.
+.RE
.RE
.I value