753c38392d
3104 eliminate empty bpobjs Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Eric Schrock <eric.schrock@delphix.com> References: illumos/illumos-gate@f174573681 illumos changeset: 13782:8f78aae28a63 https://www.illumos.org/issues/3104 Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2012 by Delphix. All rights reserved.
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*/
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#ifndef _ZFEATURE_COMMON_H
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#define _ZFEATURE_COMMON_H
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#include <sys/fs/zfs.h>
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#include <sys/inttypes.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct zfeature_info;
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typedef struct zfeature_info {
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const char *fi_uname; /* User-facing feature name */
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const char *fi_guid; /* On-disk feature identifier */
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const char *fi_desc; /* Feature description */
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boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
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boolean_t fi_mos; /* Is the feature necessary to read the MOS? */
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struct zfeature_info **fi_depends; /* array; null terminated */
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} zfeature_info_t;
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typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
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#define ZFS_FEATURE_DEBUG
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typedef enum spa_feature {
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SPA_FEATURE_ASYNC_DESTROY,
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SPA_FEATURE_EMPTY_BPOBJ,
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SPA_FEATURES
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} spa_feature_t;
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extern zfeature_info_t spa_feature_table[SPA_FEATURES];
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extern boolean_t zfeature_is_valid_guid(const char *);
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extern boolean_t zfeature_is_supported(const char *);
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extern int zfeature_lookup_guid(const char *, zfeature_info_t **res);
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extern int zfeature_lookup_name(const char *, zfeature_info_t **res);
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extern void zpool_feature_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ZFEATURE_COMMON_H */
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