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8115 parallel zfs mount
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--- old/usr/src/uts/common/sys/taskq.h
+++ new/usr/src/uts/common/sys/taskq.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
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16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 *
25 25 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
26 + * Copyright 2017 RackTop Systems.
26 27 */
27 28
28 29 #ifndef _SYS_TASKQ_H
29 30 #define _SYS_TASKQ_H
30 31
31 32 #include <sys/types.h>
32 33 #include <sys/thread.h>
33 34
34 35 #ifdef __cplusplus
35 36 extern "C" {
36 37 #endif
37 38
38 39 #define TASKQ_NAMELEN 31
39 40
40 41 typedef struct taskq taskq_t;
41 42 typedef uintptr_t taskqid_t;
42 43 typedef void (task_func_t)(void *);
43 44
44 45 struct proc;
45 46
46 47 /*
47 48 * Public flags for taskq_create(): bit range 0-15
48 49 */
49 50 #define TASKQ_PREPOPULATE 0x0001 /* Prepopulate with threads and data */
50 51 #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */
51 52 #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */
52 53 #define TASKQ_THREADS_CPU_PCT 0x0008 /* number of threads as % of ncpu */
53 54 #define TASKQ_DC_BATCH 0x0010 /* Taskq uses SDC in batch mode */
54 55
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55 56 /*
56 57 * Flags for taskq_dispatch. TQ_SLEEP/TQ_NOSLEEP should be same as
57 58 * KM_SLEEP/KM_NOSLEEP.
58 59 */
59 60 #define TQ_SLEEP 0x00 /* Can block for memory */
60 61 #define TQ_NOSLEEP 0x01 /* cannot block for memory; may fail */
61 62 #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
62 63 #define TQ_NOALLOC 0x04 /* cannot allocate memory; may fail */
63 64 #define TQ_FRONT 0x08 /* Put task at the front of the queue */
64 65
65 -#if defined(_KERNEL) || defined(_FAKE_KERNEL)
66 +#if defined(_KERNEL) || defined(_FAKE_KERNEL) || defined(_TASKQUSER)
66 67
67 68 extern taskq_t *system_taskq;
68 69
69 70 extern void taskq_init(void);
70 71 extern void taskq_mp_init(void);
71 72
72 73 extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
73 74 extern taskq_t *taskq_create_instance(const char *, int, int, pri_t, int,
74 75 int, uint_t);
75 76 extern taskq_t *taskq_create_proc(const char *, int, pri_t, int, int,
76 77 struct proc *, uint_t);
77 78 extern taskq_t *taskq_create_sysdc(const char *, int, int, int,
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78 79 struct proc *, uint_t, uint_t);
79 80 extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
80 81 extern void nulltask(void *);
81 82 extern void taskq_destroy(taskq_t *);
82 83 extern void taskq_wait(taskq_t *);
83 84 extern void taskq_suspend(taskq_t *);
84 85 extern int taskq_suspended(taskq_t *);
85 86 extern void taskq_resume(taskq_t *);
86 87 extern int taskq_member(taskq_t *, kthread_t *);
87 88
88 -#endif /* _KERNEL */
89 +#endif /* _KERNEL || _FAKE_KERNEL || _TASKQUSER */
89 90
90 91 #ifdef __cplusplus
91 92 }
92 93 #endif
93 94
94 95 #endif /* _SYS_TASKQ_H */
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