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eb9098ed47
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
61 lines
1.3 KiB
C
61 lines
1.3 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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* 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) 2014, 2018 by Delphix. All rights reserved.
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*/
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#ifndef _BQUEUE_H
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#define _BQUEUE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/zfs_context.h>
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typedef struct bqueue {
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list_t bq_list;
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size_t bq_size;
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list_t bq_dequeuing_list;
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size_t bq_dequeuing_size;
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list_t bq_enqueuing_list;
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size_t bq_enqueuing_size;
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kmutex_t bq_lock;
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kcondvar_t bq_add_cv;
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kcondvar_t bq_pop_cv;
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size_t bq_maxsize;
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uint_t bq_fill_fraction;
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size_t bq_node_offset;
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} bqueue_t;
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typedef struct bqueue_node {
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list_node_t bqn_node;
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size_t bqn_size;
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} bqueue_node_t;
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int bqueue_init(bqueue_t *, uint_t, size_t, size_t);
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void bqueue_destroy(bqueue_t *);
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void bqueue_enqueue(bqueue_t *, void *, size_t);
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void bqueue_enqueue_flush(bqueue_t *, void *, size_t);
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void *bqueue_dequeue(bqueue_t *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BQUEUE_H */
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