zfs_debug.h revision cd1c8b85eb30b568e9816221430c479ace7a559d
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
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fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens * Copyright (c) 2012 by Delphix. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _SYS_ZFS_DEBUG_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define _SYS_ZFS_DEBUG_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern "C" {
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef TRUE
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define TRUE 1
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef FALSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define FALSE 0
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ZFS debugging
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#if defined(DEBUG) || !defined(_KERNEL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern int zfs_flags;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG_DPRINTF 0x0001
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG_DBUF_VERIFY 0x0002
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG_DNODE_VERIFY 0x0004
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG_SNAPNAMES 0x0008
6b4acc8bd9d480535a4d057e291dc7c049f664d9ahrens#define ZFS_DEBUG_MODIFY 0x0010
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef ZFS_DEBUG
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern void __dprintf(const char *file, const char *func,
fa9e4066f08beec538e775443c5be79dd423fcabahrens int line, const char *fmt, ...);
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define dprintf(...) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_flags & ZFS_DEBUG_DPRINTF) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#else
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define dprintf(...) ((void)0)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* ZFS_DEBUG */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0125049cd6136d1d2ca9e982382a915b6d7916ceahrensextern void zfs_panic_recover(const char *fmt, ...);
0125049cd6136d1d2ca9e982382a915b6d7916ceahrens
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingtypedef struct zfs_dbgmsg {
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling list_node_t zdm_node;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling time_t zdm_timestamp;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling char zdm_msg[1]; /* variable length allocation */
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling} zfs_dbgmsg_t;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg_init(void);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg_fini(void);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg(const char *fmt, ...);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens#ifndef _KERNEL
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrensextern int dprintf_find_string(const char *string);
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens#endif
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* _SYS_ZFS_DEBUG_H */