bptree.h

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    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 https://opensource.org/licenses/CDDL-1.0.
   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) 2012, 2014 by Delphix. All rights reserved.
   23  */
   24 
   25 #ifndef _SYS_BPTREE_H
   26 #define _SYS_BPTREE_H
   27 
   28 #include <sys/spa.h>
   29 #include <sys/zio.h>
   30 
   31 #ifdef  __cplusplus
   32 extern "C" {
   33 #endif
   34 
   35 typedef struct bptree_phys {
   36         uint64_t bt_begin;
   37         uint64_t bt_end;
   38         uint64_t bt_bytes;
   39         uint64_t bt_comp;
   40         uint64_t bt_uncomp;
   41 } bptree_phys_t;
   42 
   43 typedef struct bptree_entry_phys {
   44         blkptr_t be_bp;
   45         uint64_t be_birth_txg; /* only delete blocks born after this txg */
   46         zbookmark_phys_t be_zb; /* holds traversal resume point if needed */
   47 } bptree_entry_phys_t;
   48 
   49 typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
   50 
   51 uint64_t bptree_alloc(objset_t *os, dmu_tx_t *tx);
   52 int bptree_free(objset_t *os, uint64_t obj, dmu_tx_t *tx);
   53 boolean_t bptree_is_empty(objset_t *os, uint64_t obj);
   54 
   55 void bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg,
   56     uint64_t bytes, uint64_t comp, uint64_t uncomp, dmu_tx_t *tx);
   57 
   58 int bptree_iterate(objset_t *os, uint64_t obj, boolean_t free,
   59     bptree_itor_t func, void *arg, dmu_tx_t *tx);
   60 
   61 #ifdef  __cplusplus
   62 }
   63 #endif
   64 
   65 #endif  /* _SYS_BPTREE_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/sys/bptree.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/sys/bptree.h