zio_priority.h revision 288571
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