CIFS: Allow SMB2 statistics to be tracked

Since there are only 19 command codes, it also is easier to track by exact
command code than it was for cifs.

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 0896328418aa..12b1176b87b0 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -28,6 +28,9 @@
 #include "cifsacl.h"
 #include <crypto/internal/hash.h>
 #include <linux/scatterlist.h>
+#ifdef CONFIG_CIFS_SMB2
+#include "smb2pdu.h"
+#endif
 
 /*
  * The sizes of various internal tables and strings
@@ -592,6 +595,12 @@ struct cifs_tcon {
                         atomic_t num_acl_get;
                         atomic_t num_acl_set;
                 } cifs_stats;
+#ifdef CONFIG_CIFS_SMB2
+                struct {
+                        atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
+                        atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
+                } smb2_stats;
+#endif /* CONFIG_CIFS_SMB2 */
         } stats;
 #ifdef CONFIG_CIFS_STATS2
         unsigned long long time_writes;