projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 34dc7c2f BB |
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 http://www.opensolaris.org/os/licensing. | |
| 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 | /* | |
| 428870ff | 23 | * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
| a0bd735a | 24 | * Copyright (c) 2016 Actifio, Inc. All rights reserved. |
| 34dc7c2f BB |
25 | */ |
| 26 | ||
| 27 | #ifndef _SYS_ZVOL_H | |
| 28 | #define _SYS_ZVOL_H | |
| 29 | ||
| 34dc7c2f BB |
30 | #include <sys/zfs_context.h> |
| 31 | ||
| 34dc7c2f BB |
32 | #define ZVOL_OBJ 1ULL |
| 33 | #define ZVOL_ZAP_OBJ 2ULL | |
| 34 | ||
| 82ec9d41 BB |
35 | #define SPEC_MAXOFFSET_T ((1LL << ((NBBY * sizeof (daddr32_t)) + \ |
| 36 | DEV_BSHIFT - 1)) - 1) | |
| 37 | ||
| a0bd735a BP |
38 | extern void zvol_create_minors(spa_t *spa, const char *name, boolean_t async); |
| 39 | extern void zvol_remove_minors(spa_t *spa, const char *name, boolean_t async); | |
| 40 | extern void zvol_rename_minors(spa_t *spa, const char *oldname, | |
| 41 | const char *newname, boolean_t async); | |
| 60101509 | 42 | |
| a0bd735a | 43 | #ifdef _KERNEL |
| 040dab99 CC |
44 | typedef struct zvol_state zvol_state_t; |
| 45 | ||
| 34dc7c2f | 46 | extern int zvol_check_volsize(uint64_t volsize, uint64_t blocksize); |
| 4cb7b9c5 | 47 | extern int zvol_check_volblocksize(const char *name, uint64_t volblocksize); |
| 34dc7c2f | 48 | extern int zvol_get_stats(objset_t *os, nvlist_t *nv); |
| 6c285672 | 49 | extern boolean_t zvol_is_zvol(const char *); |
| 34dc7c2f | 50 | extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); |
| 60101509 BB |
51 | extern int zvol_set_volsize(const char *, uint64_t); |
| 52 | extern int zvol_set_volblocksize(const char *, uint64_t); | |
| a0bd735a | 53 | extern int zvol_set_snapdev(const char *, zprop_source_t, uint64_t); |
| cf8738d8 | 54 | extern int zvol_set_volmode(const char *, zprop_source_t, uint64_t); |
| 040dab99 CC |
55 | extern zvol_state_t *zvol_suspend(const char *); |
| 56 | extern int zvol_resume(zvol_state_t *); | |
| 57 | extern void *zvol_tag(zvol_state_t *); | |
| 34dc7c2f | 58 | |
| 60101509 | 59 | extern int zvol_init(void); |
| 34dc7c2f | 60 | extern void zvol_fini(void); |
| 60101509 BB |
61 | #endif /* _KERNEL */ |
| 62 | #endif /* _SYS_ZVOL_H */ |