NEX-6778 NFS kstats leak and cause system to hang
Revert "NEX-4261 Per-client NFS server IOPS, bandwidth, and latency kstats"
This reverts commit 586c3ab1927647487f01c337ddc011c642575a52.
Revert "NEX-5354 Aggregated IOPS, bandwidth, and latency kstats for NFS server"
This reverts commit c91d7614da8618ef48018102b077f60ecbbac8c2.
Revert "NEX-5667 nfssrv_stats_flags does not work for aggregated kstats"
This reverts commit 3dcf42618be7dd5f408c327f429c81e07ca08e74.
Revert "NEX-5750 Time values for aggregated NFS server kstats should be normalized"
This reverts commit 1f4d4f901153b0191027969fa4a8064f9d3b9ee1.
Revert "NEX-5942 Panic in rfs4_minorvers_mismatch() with NFSv4.1 client"
This reverts commit 40766417094a162f5e4cc8786c0fa0a7e5871cd9.
Revert "NEX-5752 NFS server: namespace collision in kstats"
This reverts commit ae81e668db86050da8e483264acb0cce0444a132.
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-4261 Per-client NFS server IOPS, bandwidth, and latency kstats
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-3097 IOPS, bandwidth, and latency kstats for NFS server
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  
  /*
!  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
*** 1460,1469 ****
--- 1460,1472 ----
                  SETCLIENTID_CONFIRM4args opsetclientid_confirm;
                  VERIFY4args opverify;
                  WRITE4args opwrite;
                  RELEASE_LOCKOWNER4args oprelease_lockowner;
          } nfs_argop4_u;
+         size_t opsize;          /* the number of bytes occupied by the */
+                                 /* particular operation in the XDR stream */
+                                 /* (set during the decode only) */
  };
  typedef struct nfs_argop4 nfs_argop4;
  
  struct nfs_resop4 {
          nfs_opnum4 resop;
*** 1506,1515 ****
--- 1509,1524 ----
                  VERIFY4res opverify;
                  WRITE4res opwrite;
                  RELEASE_LOCKOWNER4res oprelease_lockowner;
                  ILLEGAL4res opillegal;
          } nfs_resop4_u;
+         size_t opsize;          /* the number of bytes occupied by the */
+                                 /* particular operation in the XDR stream */
+                                 /* (set during the encode only) */
+         struct exportinfo *exi; /* the exportinfo where the operation should */
+                                 /* be counted in (support for per-exportinfo */
+                                 /* kstats) */
  };
  typedef struct nfs_resop4 nfs_resop4;
  
  /*
   * Fixed size tag string for easy client encoding