6198 Let's EOL cachefs

*** 25,35 ****
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
!  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include        <stdio.h>
  #include        <stdio_ext.h>
  #include        <limits.h>
--- 25,35 ----
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
!  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include        <stdio.h>
  #include        <stdio_ext.h>
  #include        <limits.h>
*** 137,155 ****
  int     lofsfail;               /* count of failures of lofs mounts */
  int     exitcode;
  int     aflg, cflg, fflg, Fflg, gflg, oflg, pflg, rflg, vflg, Vflg, mflg, Oflg,
          dashflg, questflg, dflg, qflg;
  
- /*
-  * Currently, mounting cachefs instances simultaneously uncovers various
-  * problems.  For the short term, we serialize cachefs activity while we fix
-  * these cachefs bugs.
-  */
- #define CACHEFS_BUG
- #ifdef  CACHEFS_BUG
- int     cachefs_running;        /* parallel cachefs not supported yet */
- #endif
  
  /*
   * Each vfsent_t describes a vfstab entry.  It is used to manage and cleanup
   * each child that performs the particular mount for the entry.
   */
--- 137,146 ----
*** 1293,1311 ****
                          ;
  
                  while (nrun >= maxrun && (dowait() != -1))      /* throttle */
                          ;
  
- #ifdef  CACHEFS_BUG
-                 if (vp->v.vfs_fstype &&
-                     (strcmp(vp->v.vfs_fstype, "cachefs") == 0)) {
-                         while (cachefs_running && (dowait() != -1))
-                                 ;
-                         cachefs_running = 1;
-                 }
- #endif
- 
                  if ((child = fork()) == -1) {
                          perror("fork");
                          cleanup(-1);
                          /* not reached */
                  }
--- 1284,1293 ----
*** 1472,1486 ****
                  lofscnt--;
                  if (ret)
                          lofsfail++;
          }
  
- #ifdef CACHEFS_BUG
-         if (vp->v.vfs_fstype && (strcmp(vp->v.vfs_fstype, "cachefs") == 0))
-                 cachefs_running = 0;
- #endif
- 
          vp->exitcode = ret;
          return (ret);
  }
  
  
--- 1454,1463 ----