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3bf657b90c
This change was lost, somehow, in e5f9a9a. Since the arrays can be
rather large, they need to be allocated with vmem_zalloc() via dfl_alloc()
and freed with vmem_free() via dfl_free().
The new dfl_alloc() function should be used to allocate object of type
dkioc_free_list_t in order that they're allocated from vmem.
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Nikolay Borisov <kernel@kyup.com>
Closes #543
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _SPL_DKIOC_UTIL_H
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#define _SPL_DKIOC_UTIL_H
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#include <sys/dkio.h>
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typedef struct dkioc_free_list_ext_s {
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uint64_t dfle_start;
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uint64_t dfle_length;
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} dkioc_free_list_ext_t;
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typedef struct dkioc_free_list_s {
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uint64_t dfl_flags;
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uint64_t dfl_num_exts;
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int64_t dfl_offset;
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/*
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* N.B. this is only an internal debugging API! This is only called
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* from debug builds of sd for pre-release checking. Remove before GA!
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*/
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void (*dfl_ck_func)(uint64_t, uint64_t, void *);
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void *dfl_ck_arg;
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dkioc_free_list_ext_t dfl_exts[1];
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} dkioc_free_list_t;
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static inline void dfl_free(dkioc_free_list_t *dfl) {
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vmem_free(dfl, DFL_SZ(dfl->dfl_num_exts));
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}
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static inline dkioc_free_list_t *dfl_alloc(uint64_t dfl_num_exts, int flags) {
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return vmem_zalloc(DFL_SZ(dfl_num_exts), flags);
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}
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#endif /* _SPL_DKIOC_UTIL_H */
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