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38 lines
997 B
C
38 lines
997 B
C
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/*
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* CDDL HEADER START
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*
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* This file and its contents are supplied under the terms of the
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* Common Development and Distribution License ("CDDL"), version 1.0.
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* You may only use this file in accordance with the terms of version
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* 1.0 of the CDDL.
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*
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* A full copy of the text of the CDDL should have accompanied this
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* source. A copy of the CDDL is also available via the Internet at
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* http://www.illumos.org/license/CDDL.
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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) 2016, Lawrence Livermore National Security, LLC.
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*/
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#ifndef _SYS_ZFS_RATELIMIT_H
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#define _SYS_ZFS_RATELIMIT_H
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#include <sys/zfs_context.h>
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typedef struct {
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hrtime_t start;
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unsigned int count;
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unsigned int burst; /* Number to allow per interval */
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unsigned int interval; /* Interval length in seconds */
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kmutex_t lock;
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} zfs_ratelimit_t;
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int zfs_ratelimit(zfs_ratelimit_t *rl);
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void zfs_ratelimit_init(zfs_ratelimit_t *rl, unsigned int burst,
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unsigned int interval);
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#endif /* _SYS_ZFS_RATELIMIT_H */
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