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4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012, 2016 by Delphix. All rights reserved.
26 #ifndef _SYS_ZFS_DEBUG_H
27 #define _SYS_ZFS_DEBUG_H
42 extern int zfs_recover
;
43 extern int zfs_free_leak_on_eio
;
44 extern int zfs_dbgmsg_enable
;
46 #define ZFS_DEBUG_DPRINTF (1 << 0)
47 #define ZFS_DEBUG_DBUF_VERIFY (1 << 1)
48 #define ZFS_DEBUG_DNODE_VERIFY (1 << 2)
49 #define ZFS_DEBUG_SNAPNAMES (1 << 3)
50 #define ZFS_DEBUG_MODIFY (1 << 4)
51 #define ZFS_DEBUG_SPA (1 << 5)
52 #define ZFS_DEBUG_ZIO_FREE (1 << 6)
53 #define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7)
54 #define ZFS_DEBUG_METASLAB_VERIFY (1 << 8)
55 #define ZFS_DEBUG_SET_ERROR (1 << 9)
56 #define ZFS_DEBUG_INDIRECT_REMAP (1 << 10)
58 extern void __dprintf(const char *file
, const char *func
,
59 int line
, const char *fmt
, ...);
60 #define zfs_dbgmsg(...) \
61 if (zfs_dbgmsg_enable) \
62 __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
68 * $ echo 1 >/sys/module/zfs/parameters/zfs_flags
70 #define dprintf(...) \
71 if (zfs_flags & ZFS_DEBUG_DPRINTF) \
72 __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
74 #define dprintf(...) ((void)0)
75 #endif /* ZFS_DEBUG */
77 extern void zfs_panic_recover(const char *fmt
, ...);
79 typedef struct zfs_dbgmsg
{
83 char zdm_msg
[1]; /* variable length allocation */
86 extern void zfs_dbgmsg_init(void);
87 extern void zfs_dbgmsg_fini(void);
90 extern int dprintf_find_string(const char *string
);
91 extern void zfs_dbgmsg_print(const char *tag
);
98 #endif /* _SYS_ZFS_DEBUG_H */