diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h')
-rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h new file mode 100644 index 0000000..095dd3c --- /dev/null +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/metaslab.h @@ -0,0 +1,69 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_METASLAB_H +#define _SYS_METASLAB_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/spa.h> +#include <sys/space_map.h> +#include <sys/txg.h> +#include <sys/zio.h> +#include <sys/avl.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct metaslab_class metaslab_class_t; +typedef struct metaslab_group metaslab_group_t; + +extern metaslab_t *metaslab_init(metaslab_group_t *mg, space_map_obj_t *smo, + uint64_t start, uint64_t size, uint64_t txg); +extern void metaslab_fini(metaslab_t *msp); +extern void metaslab_sync(metaslab_t *msp, uint64_t txg); +extern void metaslab_sync_done(metaslab_t *msp, uint64_t txg); + +extern int metaslab_alloc(spa_t *spa, uint64_t psize, blkptr_t *bp, + int ncopies, uint64_t txg, blkptr_t *hintbp, boolean_t hintbp_avoid); +extern void metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, + boolean_t now); +extern int metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg); + +extern metaslab_class_t *metaslab_class_create(void); +extern void metaslab_class_destroy(metaslab_class_t *mc); +extern void metaslab_class_add(metaslab_class_t *mc, metaslab_group_t *mg); +extern void metaslab_class_remove(metaslab_class_t *mc, metaslab_group_t *mg); + +extern metaslab_group_t *metaslab_group_create(metaslab_class_t *mc, + vdev_t *vd); +extern void metaslab_group_destroy(metaslab_group_t *mg); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_METASLAB_H */ |