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The Zettabyte File System

sys/bplist.h

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00001 /*
00002  * CDDL HEADER START
00003  *
00004  * The contents of this file are subject to the terms of the
00005  * Common Development and Distribution License (the "License").
00006  * You may not use this file except in compliance with the License.
00007  *
00008  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
00009  * or http://www.opensolaris.org/os/licensing.
00010  * See the License for the specific language governing permissions
00011  * and limitations under the License.
00012  *
00013  * When distributing Covered Code, include this CDDL HEADER in each
00014  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
00015  * If applicable, add the following below this CDDL HEADER, with the
00016  * fields enclosed by brackets "[]" replaced with your own identifying
00017  * information: Portions Copyright [yyyy] [name of copyright owner]
00018  *
00019  * CDDL HEADER END
00020  */
00021 /*
00022  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
00023  */
00024 
00025 #ifndef _SYS_BPLIST_H
00026 #define _SYS_BPLIST_H
00027 
00028 #include <sys/zfs_context.h>
00029 #include <sys/spa.h>
00030 
00031 #ifdef  __cplusplus
00032 extern "C" {
00033 #endif
00034 
00035 typedef struct bplist_entry {
00036         blkptr_t        bpe_blk;
00037         list_node_t     bpe_node;
00038 } bplist_entry_t;
00039 
00040 typedef struct bplist {
00041         kmutex_t        bpl_lock;
00042         list_t          bpl_list;
00043 } bplist_t;
00044 
00045 typedef int bplist_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
00046 
00047 void bplist_create(bplist_t *bpl);
00048 void bplist_destroy(bplist_t *bpl);
00049 void bplist_append(bplist_t *bpl, const blkptr_t *bp);
00050 void bplist_iterate(bplist_t *bpl, bplist_itor_t *func,
00051     void *arg, dmu_tx_t *tx);
00052 
00053 #ifdef  __cplusplus
00054 }
00055 #endif
00056 
00057 #endif /* _SYS_BPLIST_H */
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