[CIFS] CIFS Stats improvements

New cifs_writepages routine was not updated bytes written in cifs stats.
Also added ability to clear /proc/fs/cifs/Stats by writing (0 or 1) to it.
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 729717281b40..839a55667c3c 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -377,7 +377,11 @@ struct mid_q_entry {
         __u16 mid;              /* multiplex id */
         __u16 pid;              /* process id */
         __u32 sequence_number;  /* for CIFS signing */
-        struct timeval when_sent;       /* time when smb sent */
+        unsigned long when_alloc;  /* when mid was created */
+#ifdef CONFIG_CIFS_STATS2
+        unsigned long when_sent; /* time when smb send finished */
+        unsigned long when_received; /* when demux complete (taken off wire) */
+#endif
         struct cifsSesInfo *ses;        /* smb was sent to this server */
         struct task_struct *tsk;        /* task waiting for response */
         struct smb_hdr *resp_buf;       /* response buffer */