7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28 
  29 /*
  30  * This file contains interface definitions and wrappers for file
  31  * system snapshot support.  File systems may depend on this module
  32  * for symbol resolution while the implementation may remain unloaded
  33  * until needed.
  34  */
  35 #include <sys/types.h>
  36 #include <sys/debug.h>
  37 #include <sys/t_lock.h>
  38 #include <sys/param.h>
  39 #include <sys/mman.h>
  40 #include <sys/systm.h>
  41 #include <sys/errno.h>
  42 #include <sys/kmem.h>
  43 #include <sys/cmn_err.h>
  44 #include <sys/vnode.h>
  45 #include <sys/debug.h>
  46 #include <sys/proc.h>
  47 #include <sys/user.h>
  48 #include <sys/conf.h>

 112         return (snapslot);
 113 }
 114 
 115 void
 116 fssnap_strategy(void *snapshot_id, struct buf *bp)
 117 {
 118         if (snapops.fssnap_strategy)
 119                 (snapops.fssnap_strategy)(snapshot_id, bp);
 120 }
 121 
 122 
 123 #include <sys/modctl.h>
 124 
 125 extern struct mod_ops mod_miscops;
 126 
 127 static struct modlmisc modlmisc = {
 128         &mod_miscops, "File System Snapshot Interface",
 129 };
 130 
 131 static struct modlinkage modlinkage = {
 132         MODREV_1, (void *)&modlmisc, NULL
 133 };
 134 
 135 int
 136 _init(void)
 137 {
 138         return (mod_install(&modlinkage));
 139 }
 140 
 141 /*
 142  * Unloading is MT-safe because our client drivers use
 143  * the _depends_on[] mechanism - we won't go while they're
 144  * still around.
 145  */
 146 int
 147 _fini(void)
 148 {
 149         return (mod_remove(&modlinkage));
 150 }
 151 
 152 int

   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26 


  27 /*
  28  * This file contains interface definitions and wrappers for file
  29  * system snapshot support.  File systems may depend on this module
  30  * for symbol resolution while the implementation may remain unloaded
  31  * until needed.
  32  */
  33 #include <sys/types.h>
  34 #include <sys/debug.h>
  35 #include <sys/t_lock.h>
  36 #include <sys/param.h>
  37 #include <sys/mman.h>
  38 #include <sys/systm.h>
  39 #include <sys/errno.h>
  40 #include <sys/kmem.h>
  41 #include <sys/cmn_err.h>
  42 #include <sys/vnode.h>
  43 #include <sys/debug.h>
  44 #include <sys/proc.h>
  45 #include <sys/user.h>
  46 #include <sys/conf.h>

 110         return (snapslot);
 111 }
 112 
 113 void
 114 fssnap_strategy(void *snapshot_id, struct buf *bp)
 115 {
 116         if (snapops.fssnap_strategy)
 117                 (snapops.fssnap_strategy)(snapshot_id, bp);
 118 }
 119 
 120 
 121 #include <sys/modctl.h>
 122 
 123 extern struct mod_ops mod_miscops;
 124 
 125 static struct modlmisc modlmisc = {
 126         &mod_miscops, "File System Snapshot Interface",
 127 };
 128 
 129 static struct modlinkage modlinkage = {
 130         MODREV_1, { (void *)&modlmisc, NULL }
 131 };
 132 
 133 int
 134 _init(void)
 135 {
 136         return (mod_install(&modlinkage));
 137 }
 138 
 139 /*
 140  * Unloading is MT-safe because our client drivers use
 141  * the _depends_on[] mechanism - we won't go while they're
 142  * still around.
 143  */
 144 int
 145 _fini(void)
 146 {
 147         return (mod_remove(&modlinkage));
 148 }
 149 
 150 int