NEX-10069 ZFS_READONLY is a little too strict (fix test lint)
NEX-9553 Move ss_fill gap logic from scan algorithm into range_tree.c
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-6088 ZFS scrub/resilver take excessively long due to issuing lots of random IO
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>

          --- old/usr/src/lib/libumem/common/umem.h
          +++ new/usr/src/lib/libumem/common/umem.h

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License, Version 1.0 only
   6    6   * (the "License").  You may not use this file except in compliance
   7    7   * with the License.
   8    8   *
   9    9   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10   10   * or http://www.opensolaris.org/os/licensing.
  11   11   * See the License for the specific language governing permissions
  12   12   * and limitations under the License.
  13   13   *
  14   14   * When distributing Covered Code, include this CDDL HEADER in each
  15   15   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16   16   * If applicable, add the following below this CDDL HEADER, with the
  17   17   * fields enclosed by brackets "[]" replaced with your own identifying
  18   18   * information: Portions Copyright [yyyy] [name of copyright owner]
  19   19   *

  20   20   * CDDL HEADER END
  21   21   */
  22   22  /*
  23   23   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24   24   * Use is subject to license terms.
  25   25   */
  26   26  
  27   27  #ifndef _UMEM_H
  28   28  #define _UMEM_H
  29   29  
  30      -#pragma ident   "%Z%%M% %I%     %E% SMI"
  31      -
  32   30  #include <sys/types.h>
  33   31  #include <sys/vmem.h>
  34   32  #include <stdlib.h>
  35   33  
  36   34  #ifdef  __cplusplus
  37   35  extern "C" {
  38   36  #endif
  39   37  
  40   38  #define UMEM_DEFAULT    0x0000  /* normal -- may fail */
  41   39  #define UMEM_NOFAIL     0x0100  /* Never fails -- may call exit(2) */

  42   40  
  43   41  #define UMEM_FLAGS      0xffff  /* all settable umem flags */
  44   42  
  45   43  extern void *umem_alloc(size_t, int);
  46   44  extern void *umem_alloc_align(size_t, size_t, int);
  47   45  extern void *umem_zalloc(size_t, int);
  48   46  extern void umem_free(void *, size_t);
  49   47  extern void umem_free_align(void *, size_t);
  50   48  
  51   49  /*
  52   50   * Flags for umem_cache_create()
  53   51   */
  54   52  #define UMC_NOTOUCH     0x00010000
  55   53  #define UMC_NODEBUG     0x00020000
  56   54  #define UMC_NOMAGAZINE  0x00040000
  57   55  #define UMC_NOHASH      0x00080000
  58   56  
  59   57  struct umem_cache;              /* cache structure is opaque to umem clients */
  60   58  
  61   59  typedef struct umem_cache umem_cache_t;
  62   60  typedef int umem_constructor_t(void *, void *, int);
  63   61  typedef void umem_destructor_t(void *, void *);
  64   62  typedef void umem_reclaim_t(void *);
  65   63  
  66   64  typedef int umem_nofail_callback_t(void);
  67   65  #define UMEM_CALLBACK_RETRY             0
  68   66  #define UMEM_CALLBACK_EXIT(status)      (0x100 | ((status) & 0xFF))
  69   67  
  70   68  extern void umem_nofail_callback(umem_nofail_callback_t *);
  71   69  
  72   70  extern umem_cache_t *umem_cache_create(char *, size_t,
  73   71      size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
  74   72      void *, vmem_t *, int);
  75   73  extern void umem_cache_destroy(umem_cache_t *);
  76   74  
  77   75  extern void *umem_cache_alloc(umem_cache_t *, int);
  78   76  extern void umem_cache_free(umem_cache_t *, void *);
  79   77  
  80   78  extern void umem_reap(void);
  81   79  
  82   80  #ifdef  __cplusplus
  83   81  }
  84   82  #endif
  85   83  
  86   84  #endif  /* _UMEM_H */

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