zfs/include/sys/bplist.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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #ifndef _SYS_BPLIST_H
  26 #define _SYS_BPLIST_H
  27
  28 #include <sys/zfs_context.h>
  29 #include <sys/spa.h>
  30
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 typedef struct bplist_entry {
  36         blkptr_t        bpe_blk;
  37         list_node_t     bpe_node;
  38 } bplist_entry_t;
  39
  40 typedef struct bplist {
  41         kmutex_t        bpl_lock;
  42         list_t          bpl_list;
  43 } bplist_t;
  44
  45 typedef int bplist_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
  46
  47 void bplist_create(bplist_t *bpl);
  48 void bplist_destroy(bplist_t *bpl);
  49 void bplist_append(bplist_t *bpl, const blkptr_t *bp);
  50 void bplist_iterate(bplist_t *bpl, bplist_itor_t *func,
  51     void *arg, dmu_tx_t *tx);
  52
  53 #ifdef  __cplusplus
  54 }
  55 #endif
  56
  57 #endif /* _SYS_BPLIST_H */