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4cb7b9c5d4
Since ZoL allows large blocks to be used by volumes, unlike upstream illumos, the feature flag must be checked prior to volume creation. This is critical because unlike filesystems, volumes will create a object which uses large blocks as part of the create. Therefore, it cannot be safely checked in zfs_check_settable() after the dataset can been created. In addition this patch updates the relevant error messages to use zfs_nicenum() to print the maximum blocksize. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #3591
55 lines
1.9 KiB
C
55 lines
1.9 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) 2006, 2010, Oracle and/or its affiliates. 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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#ifdef _KERNEL
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extern int zvol_check_volsize(uint64_t volsize, uint64_t blocksize);
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extern int zvol_check_volblocksize(const char *name, uint64_t volblocksize);
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extern int zvol_get_stats(objset_t *os, nvlist_t *nv);
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extern boolean_t zvol_is_zvol(const char *);
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extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx);
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extern int zvol_create_minor(const char *name);
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extern int zvol_create_minors(const char *name);
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extern int zvol_remove_minor(const char *name);
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extern void zvol_remove_minors(const char *name);
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extern void zvol_rename_minors(const char *oldname, const char *newname);
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extern int zvol_set_volsize(const char *, uint64_t);
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extern int zvol_set_volblocksize(const char *, uint64_t);
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extern int zvol_set_snapdev(const char *, uint64_t);
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extern int zvol_init(void);
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extern void zvol_fini(void);
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#endif /* _KERNEL */
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#endif /* _SYS_ZVOL_H */
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