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0b6fd024a7
Now zvol minors creation logic is passed thru spa_zvol_taskq, like it is doing for remove/rename zvol minors functions. Appropriate zvol minors creation functions are refactored: - The zvol_create_minor()/zvol_minors_create_recursive() were removed. - The single zvol_create_minors() is added instead. Also, it become possible to collect zvol minors subtasks status, to detect, if some zvol minor subtask is failed in the subtasks chain. The appropriate message is reported to zfs_dbgmsg buffer in this case. Sponsored-by: vStack, Inc. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com> Signed-off-by: Fedor Uporov <fuporov.vstack@gmail.com> Closes #17575
66 lines
2.2 KiB
C
66 lines
2.2 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_minors(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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