NEX-6276 SMB sparse file support
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
NEX-4083 Upstream changes from illumos 5917 and 5995
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-3620 need upstream cleanups for smbsrv
Reviewed by: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
SMB-11 SMB2 message parse & dispatch
SMB-12 SMB2 Negotiate Protocol
SMB-13 SMB2 Session Setup
SMB-14 SMB2 Logoff
SMB-15 SMB2 Tree Connect
SMB-16 SMB2 Tree Disconnect
SMB-17 SMB2 Create
SMB-18 SMB2 Close
SMB-19 SMB2 Flush
SMB-20 SMB2 Read
SMB-21 SMB2 Write
SMB-22 SMB2 Lock/Unlock
SMB-23 SMB2 Ioctl
SMB-24 SMB2 Cancel
SMB-25 SMB2 Echo
SMB-26 SMB2 Query Dir
SMB-27 SMB2 Change Notify
SMB-28 SMB2 Query Info
SMB-29 SMB2 Set Info
SMB-30 SMB2 Oplocks
SMB-53 SMB2 Create Context options
(SMB2 code review cleanup 1, 2, 3)
SMB-50 User-mode SMB server
 Includes work by these authors:
 Thomas Keiser <thomas.keiser@nexenta.com>
 Albert Lee <trisk@nexenta.com>

*** 8,18 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/t_lock.h>
--- 8,18 ----
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <sys/types.h>
  #include <sys/param.h>
  #include <sys/t_lock.h>
*** 48,58 ****
--- 48,62 ----
  static uint64_t vfs_features = VFSFT_XVATTR;
  
  vnode_t *rootdir = NULL;        /* pointer to root inode vnode. */
  
  static struct vfs fake_rootvfs;
+ static struct vfsops fake_vfsops;
  struct vfs *rootvfs = NULL;
+ static struct vfssw fake_vfssw = {
+         .vsw_name = "fake"      /* see smb_tree.c:smb_mtype[] */
+ };
  
  int
  fksmbsrv_vfs_init(void)
  {
          struct stat st;
*** 62,71 ****
--- 66,76 ----
  
          if (rootvfs == NULL) {
                  rootvfs = &fake_rootvfs;
                  rootvfs->vfs_mntpt = refstr_alloc(name);
                  rootvfs->vfs_fsid.val[0] = 1;
+                 rootvfs->vfs_op = &fake_vfsops;
          }
  
          if (rootdir == NULL) {
                  if (lstat(name, &st) == -1)
                          return (errno);
*** 124,133 ****
--- 129,140 ----
  
  /* ARGSUSED */
  struct vfssw *
  vfs_getvfsswbyvfsops(vfsops_t *vfsops)
  {
+         if (vfsops == &fake_vfsops)
+                 return (&fake_vfssw);
          return (NULL);
  }
  
  /* ARGSUSED */
  void