[RFC PATCH dhowells-fs] cachefiles: fscache_lru_cookie_timeout can be static

[kernel test robot]

fs/fscache/cookie.c:34:14: warning: symbol 'fscache_lru_cookie_timeout' was not declared. Should it be static?

Fixes: 4bd5274decc6 ("cachefiles: Automatically close a file that's not in use after a while")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 cookie.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index c6c3ce8be80d7..618b040e156b2 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -31,7 +31,7 @@ static DEFINE_SPINLOCK(fscache_cookie_lru_lock);
 static DEFINE_TIMER(fscache_cookie_lru_timer, fscache_cookie_lru_timed_out);
 static DECLARE_WORK(fscache_cookie_lru_work, fscache_cookie_lru_worker);
 static const char fscache_cookie_stages[FSCACHE_COOKIE_STAGE__NR] = "-LCAIFMWRD";
-unsigned int fscache_lru_cookie_timeout = 10 * HZ;
+static unsigned int fscache_lru_cookie_timeout = 10 * HZ;
 
 void fscache_print_cookie(struct fscache_cookie *cookie, char prefix)
 {