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Reworking of L2ARC persistency to simplify design.


   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 /*
  27  * Copyright (c) 2012 by Delphix. All rights reserved.

  28  */
  29 
  30 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T     */
  31 /*        All Rights Reserved   */
  32 
  33 #ifndef _SYS_DEBUG_H
  34 #define _SYS_DEBUG_H
  35 
  36 #include <sys/isa_defs.h>
  37 #include <sys/types.h>
  38 #include <sys/note.h>
  39 
  40 #ifdef  __cplusplus
  41 extern "C" {
  42 #endif
  43 
  44 /*
  45  * ASSERT(ex) causes a panic or debugger entry if expression ex is not
  46  * true.  ASSERT() is included only for debugging, and is a no-op in
  47  * production kernels.  VERIFY(ex), on the other hand, behaves like


 115                         __FILE__, __LINE__); \
 116 _NOTE(CONSTCOND) } while (0)
 117 
 118 #define VERIFY3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 119 #define VERIFY3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 120 #define VERIFY3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
 121 #define VERIFY0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
 122 
 123 #if DEBUG
 124 #define ASSERT3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 125 #define ASSERT3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 126 #define ASSERT3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
 127 #define ASSERT0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
 128 #else
 129 #define ASSERT3S(x, y, z)       ((void)0)
 130 #define ASSERT3U(x, y, z)       ((void)0)
 131 #define ASSERT3P(x, y, z)       ((void)0)
 132 #define ASSERT0(x)              ((void)0)
 133 #endif
 134 








 135 #ifdef  _KERNEL
 136 
 137 extern void abort_sequence_enter(char *);
 138 extern void debug_enter(char *);
 139 
 140 #endif  /* _KERNEL */
 141 
 142 #if defined(DEBUG) && !defined(__sun)
 143 /* CSTYLED */
 144 #define STATIC
 145 #else
 146 /* CSTYLED */
 147 #define STATIC static
 148 #endif
 149 
 150 #ifdef  __cplusplus
 151 }
 152 #endif
 153 
 154 #endif  /* _SYS_DEBUG_H */


   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 /*
  27  * Copyright (c) 2012 by Delphix. All rights reserved.
  28  * Copyright 2013 Saso Kiselkov. All rights reserved.
  29  */
  30 
  31 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T     */
  32 /*        All Rights Reserved   */
  33 
  34 #ifndef _SYS_DEBUG_H
  35 #define _SYS_DEBUG_H
  36 
  37 #include <sys/isa_defs.h>
  38 #include <sys/types.h>
  39 #include <sys/note.h>
  40 
  41 #ifdef  __cplusplus
  42 extern "C" {
  43 #endif
  44 
  45 /*
  46  * ASSERT(ex) causes a panic or debugger entry if expression ex is not
  47  * true.  ASSERT() is included only for debugging, and is a no-op in
  48  * production kernels.  VERIFY(ex), on the other hand, behaves like


 116                         __FILE__, __LINE__); \
 117 _NOTE(CONSTCOND) } while (0)
 118 
 119 #define VERIFY3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 120 #define VERIFY3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 121 #define VERIFY3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
 122 #define VERIFY0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
 123 
 124 #if DEBUG
 125 #define ASSERT3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 126 #define ASSERT3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 127 #define ASSERT3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
 128 #define ASSERT0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
 129 #else
 130 #define ASSERT3S(x, y, z)       ((void)0)
 131 #define ASSERT3U(x, y, z)       ((void)0)
 132 #define ASSERT3P(x, y, z)       ((void)0)
 133 #define ASSERT0(x)              ((void)0)
 134 #endif
 135 
 136 /*
 137  * Compile-time assertion. The condition 'x' must be constant.
 138  */
 139 #define CTASSERT(x)             _CTASSERT(x, __LINE__)
 140 #define _CTASSERT(x, y)         __CTASSERT(x, y)
 141 #define __CTASSERT(x, y) \
 142         typedef char __compile_time_assertion__ ## y [(x) ? 1 : -1]
 143 
 144 #ifdef  _KERNEL
 145 
 146 extern void abort_sequence_enter(char *);
 147 extern void debug_enter(char *);
 148 
 149 #endif  /* _KERNEL */
 150 
 151 #if defined(DEBUG) && !defined(__sun)
 152 /* CSTYLED */
 153 #define STATIC
 154 #else
 155 /* CSTYLED */
 156 #define STATIC static
 157 #endif
 158 
 159 #ifdef  __cplusplus
 160 }
 161 #endif
 162 
 163 #endif  /* _SYS_DEBUG_H */