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      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
     22 extern "C" {
     23 #endif
     24 
     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_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