FS-Cache: Add a retirement stat counter

Add a stat counter to count retirement events rather than ordinary release
events (the retire argument to fscache_relinquish_cookie()).

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index e5046519b153..2bf463d26080 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -202,6 +202,7 @@ extern atomic_t fscache_n_updates_run;
 extern atomic_t fscache_n_relinquishes;
 extern atomic_t fscache_n_relinquishes_null;
 extern atomic_t fscache_n_relinquishes_waitcrt;
+extern atomic_t fscache_n_relinquishes_retire;
 
 extern atomic_t fscache_n_cookie_index;
 extern atomic_t fscache_n_cookie_data;