cachefiles: add output string to cachefiles_obj_[get|put]_ondemand_fd

This lets us see the correct trace output.

Fixes: c838305 ("cachefiles: notify the user daemon when looking up cookie")
Signed-off-by: Baokun Li <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Acked-by: Jeff Layton <[email protected]>
Reviewed-by: Jingbo Xu <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>

Author: LiBaokun96

include/trace/events/cachefiles.h

@@ -127,7 +127,9 @@ enum cachefiles_error_trace {
 	EM(cachefiles_obj_see_lookup_cookie,	"SEE lookup_cookie")	\
 	EM(cachefiles_obj_see_lookup_failed,	"SEE lookup_failed")	\
 	EM(cachefiles_obj_see_withdraw_cookie,	"SEE withdraw_cookie")	\
-	E_(cachefiles_obj_see_withdrawal,	"SEE withdrawal")
+	EM(cachefiles_obj_see_withdrawal,	"SEE withdrawal")	\
+	EM(cachefiles_obj_get_ondemand_fd,      "GET ondemand_fd")	\
+	E_(cachefiles_obj_put_ondemand_fd,      "PUT ondemand_fd")
 
 #define cachefiles_coherency_traces					\
 	EM(cachefiles_coherency_check_aux,	"BAD aux ")		\