[CIFS] Add extended stats (STATS2) for total buffer allocations for

better performance debugging.

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 1ba08f8c5bc4..c011c278af4c 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -505,8 +505,12 @@ GLOBAL_EXTERN atomic_t tcpSesReconnectCount;
 GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
 
 /* Various Debug counters to remove someday (BB) */
-GLOBAL_EXTERN atomic_t bufAllocCount;
-GLOBAL_EXTERN atomic_t smBufAllocCount;      
+GLOBAL_EXTERN atomic_t bufAllocCount;    /* current number allocated  */
+#ifdef CONFIG_CIFS_STATS2
+GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
+GLOBAL_EXTERN atomic_t totSmBufAllocCount;
+#endif
+GLOBAL_EXTERN atomic_t smBufAllocCount;
 GLOBAL_EXTERN atomic_t midCount;
 
 /* Misc globals */