[CIFS] /proc/fs/cifs debug code cleanup and new stats2

These changes to debug code and new stats are helpful in
debugging potential tcp performance/configuration problems under cifs.

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

1 files changed, 12 insertions, 4 deletions

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index f4c6544468ab..785239618d89 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -81,6 +81,8 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
         buf += length;
         length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION);
         buf += length;
+        length = sprintf(buf,"Active VFS Requests: %d\n", GlobalTotalActiveXid);
+        buf += length;
         length = sprintf(buf, "Servers:");
         buf += length;
 
@@ -97,7 +99,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
                 } else {
                         length =
                             sprintf(buf,
-                                    "\n%d) Name: %s  Domain: %s Mounts: %d ServerOS: %s  \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\t",
+                                    "\n%d) Name: %s  Domain: %s Mounts: %d OS: %s  \n\tNOS: %s\tCapability: 0x%x\n\tSMB session status: %d\t",
                                 i, ses->serverName, ses->serverDomain,
                                 atomic_read(&ses->inUse),
                                 ses->serverOS, ses->serverNOS,
@@ -105,12 +107,18 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
                         buf += length;
                 }
                 if(ses->server) {
-                        buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d",
+                        buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req On Wire: %d",
                                 ses->server->tcpStatus,
                                 atomic_read(&ses->server->socketUseCount),
                                 ses->server->secMode,
                                 atomic_read(&ses->server->inFlight));
-                        
+
+#ifdef CONFIG_CIFS_STATS2
+                        buf += sprintf(buf, "\tIn Send: %d In MaxReq Wait: %d",
+                                atomic_read(&ses->server->inSend), 
+                                atomic_read(&ses->server->num_waiters));
+#endif
+
                         length = sprintf(buf, "\nMIDs:\n");
                         buf += length;
 
@@ -149,7 +157,7 @@ cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
                 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
                 length =
                     sprintf(buf,
-                            "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
+                            "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
                             i, tcon->treeName,
                             atomic_read(&tcon->useCount),
                             tcon->nativeFileSystem,