1/*
2 * CDDL HEADER START
3 *
4 * This file and its contents are supplied under the terms of the
5 * Common Development and Distribution License ("CDDL"), version 1.0.
6 * You may only use this file in accordance with the terms of version
7 * 1.0 of the CDDL.
8 *
9 * A full copy of the text of the CDDL should have accompanied this
10 * source. A copy of the CDDL is also available via the Internet at
11 * http://www.illumos.org/license/CDDL.
12 *
13 * CDDL HEADER END
14 */
15/*
16 * Copyright (c) 2014 by Delphix. All rights reserved.
17 */
18#ifndef _ZIO_PRIORITY_H
19#define _ZIO_PRIORITY_H
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25typedef enum zio_priority {
26 ZIO_PRIORITY_SYNC_READ,
27 ZIO_PRIORITY_SYNC_WRITE, /* ZIL */
28 ZIO_PRIORITY_ASYNC_READ, /* prefetch */
29 ZIO_PRIORITY_ASYNC_WRITE, /* spa_sync() */
30 ZIO_PRIORITY_SCRUB, /* asynchronous scrub/resilver reads */
31 ZIO_PRIORITY_TRIM, /* free requests used for TRIM */
32 ZIO_PRIORITY_NUM_QUEUEABLE,
33
34 ZIO_PRIORITY_NOW /* non-queued i/os (e.g. free) */
35} zio_priority_t;
36
37#ifdef __cplusplus
38}
39#endif
40
41#endif /* _ZIO_PRIORITY_H */
42