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9530eb64e0
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
// SPDX-License-Identifier: CDDL-1.0
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/*
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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 https://opensource.org/licenses/CDDL-1.0.
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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) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016 Actifio, Inc. All rights reserved.
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*/
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#ifndef _SYS_ZVOL_H
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#define _SYS_ZVOL_H
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#include <sys/zfs_context.h>
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#define ZVOL_OBJ 1ULL
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#define ZVOL_ZAP_OBJ 2ULL
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#define SPEC_MAXOFFSET_T ((1LL << ((NBBY * sizeof (daddr32_t)) + \
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DEV_BSHIFT - 1)) - 1)
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extern void zvol_create_minor(const char *);
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extern void zvol_create_minors_recursive(const char *);
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extern void zvol_remove_minors(spa_t *, const char *, boolean_t);
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extern void zvol_rename_minors(spa_t *, const char *, const char *, boolean_t);
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#ifdef _KERNEL
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struct zvol_state;
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typedef struct zvol_state zvol_state_handle_t;
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extern int zvol_check_volsize(uint64_t, uint64_t);
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extern int zvol_check_volblocksize(const char *, uint64_t);
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extern int zvol_get_stats(objset_t *, nvlist_t *);
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extern boolean_t zvol_is_zvol(const char *);
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extern void zvol_create_cb(objset_t *, void *, cred_t *, dmu_tx_t *);
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extern int zvol_set_volsize(const char *, uint64_t);
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extern int zvol_set_volthreading(const char *, boolean_t);
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extern int zvol_set_common(const char *, zfs_prop_t, zprop_source_t, uint64_t);
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extern int zvol_set_ro(const char *, boolean_t);
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extern zvol_state_handle_t *zvol_suspend(const char *);
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extern int zvol_resume(zvol_state_handle_t *);
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extern void *zvol_tag(zvol_state_handle_t *);
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extern int zvol_init(void);
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extern void zvol_fini(void);
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extern int zvol_busy(void);
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#endif /* _KERNEL */
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#endif /* _SYS_ZVOL_H */
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