usr/src/uts/common/sharefs/sharetab.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #ifndef _SHAREFS_SHARETAB_H
  26 #define _SHAREFS_SHARETAB_H
  27
  28 #include <sys/pkp_hash.h>
  29
  30 /*
  31  * This header defines the glue to keeping a sharetab in memory.
  32  * It is broken out from sharefs.h in the case that it will be
  33  * reused in userland.
  34  */
  35
  36 /*
  37  * Note:
  38  * Must include share/share.h before this header.
  39  */
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 typedef struct sh_list {                /* cached share list */
  46         struct sh_list  *shl_next;
  47         share_t         *shl_sh;
  48 } sh_list_t;
  49
  50 typedef struct sharefs_hash_head {
  51         share_t         *ssh_sh;
  52         uint_t          ssh_count;
  53 } sharefs_hash_head_t;
  54
  55 #define SHARETAB_HASHES         PKP_HASH_SIZE
  56
  57 typedef struct sharetab {
  58         sharefs_hash_head_t     s_buckets[SHARETAB_HASHES];
  59         char                    *s_fstype;
  60         struct sharetab         *s_next;
  61         uint_t                  s_count;
  62 } sharetab_t;
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif /* !_SHAREFS_SHARETAB_H */