FreeBSD: Fix ZFS so that snapshots under .zfs/snapshot are NFS visible
[zfs.git] / include / sys / zio_priority.h
blob2d8e7fc36bae6f833caa739515a28ac705a68a52
1 /*
2 * CDDL HEADER START
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.
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.
13 * CDDL HEADER END
16 * Copyright (c) 2014, 2016 by Delphix. All rights reserved.
18 #ifndef _ZIO_PRIORITY_H
19 #define _ZIO_PRIORITY_H
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
25 typedef 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_REMOVAL, /* reads/writes for vdev removal */
32 ZIO_PRIORITY_INITIALIZING, /* initializing I/O */
33 ZIO_PRIORITY_TRIM, /* trim I/O (discard) */
34 ZIO_PRIORITY_REBUILD, /* reads/writes for vdev rebuild */
35 ZIO_PRIORITY_NUM_QUEUEABLE,
36 ZIO_PRIORITY_NOW, /* non-queued i/os (e.g. free) */
37 } zio_priority_t;
39 #ifdef __cplusplus
41 #endif
43 #endif /* _ZIO_PRIORITY_H */