Imported Upstream version 0.6.5.3

[mirror_zfs-debian.git] / include / sys / zfs_debug.h

diff --git a/include/sys/zfs_debug.h b/include/sys/zfs_debug.h
index 591d0df8f7114e99fc9c08455cc3e68211e971ce..2f0064ee045bd45f52364ade0e07081855e56e0e 100644 (file)
--- a/include/sys/zfs_debug.h
+++ b/include/sys/zfs_debug.h
@@ -20,11 +20,16 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #ifndef _SYS_ZFS_DEBUG_H
 #define        _SYS_ZFS_DEBUG_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef TRUE
 #define        TRUE 1
 #endif
@@ -33,49 +38,44 @@
 #define        FALSE 0
 #endif
 
-/*
- * ZFS debugging - Always enabled for user space builds.
- */
-#if !defined(ZFS_DEBUG) && !defined(_KERNEL)
-#define        ZFS_DEBUG
-#endif
-
 extern int zfs_flags;
 extern int zfs_recover;
+extern int zfs_free_leak_on_eio;
 
-#define        ZFS_DEBUG_DPRINTF       0x0001
-#define        ZFS_DEBUG_DBUF_VERIFY   0x0002
-#define        ZFS_DEBUG_DNODE_VERIFY  0x0004
-#define        ZFS_DEBUG_SNAPNAMES     0x0008
-#define        ZFS_DEBUG_MODIFY        0x0010
+#define        ZFS_DEBUG_DPRINTF               (1<<0)
+#define        ZFS_DEBUG_DBUF_VERIFY           (1<<1)
+#define        ZFS_DEBUG_DNODE_VERIFY          (1<<2)
+#define        ZFS_DEBUG_SNAPNAMES             (1<<3)
+#define        ZFS_DEBUG_MODIFY                (1<<4)
+#define        ZFS_DEBUG_SPA                   (1<<5)
+#define        ZFS_DEBUG_ZIO_FREE              (1<<6)
+#define        ZFS_DEBUG_HISTOGRAM_VERIFY      (1<<7)
 
-/*
- * Always log zfs debug messages to the spl debug subsystem as SS_USER1.
- * When the SPL is configured with debugging enabled these messages will
- * appear in the internal spl debug log, otherwise they are a no-op.
- */
-#if defined(_KERNEL)
+extern void __dprintf(const char *file, const char *func,
+    int line, const char *fmt, ...);
+#define        dprintf(...) \
+       __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
+#define        zfs_dbgmsg(...) \
+       __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
 
-#include <spl-debug.h>
-#define        dprintf(...)                                                   \
-       if (zfs_flags & ZFS_DEBUG_DPRINTF)                             \
-               __SDEBUG(NULL, SS_USER1, SD_DPRINTF, __VA_ARGS__)
+extern void zfs_panic_recover(const char *fmt, ...);
 
-/*
- * When zfs is running is user space the debugging is always enabled.
- * The messages will be printed using the __dprintf() function and
- * filtered based on the zfs_flags variable.
- */
-#else
-#define dprintf(...)                                                   \
-       if (zfs_flags & ZFS_DEBUG_DPRINTF)                             \
-               __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
+typedef struct zfs_dbgmsg {
+       list_node_t zdm_node;
+       time_t zdm_timestamp;
+       int zdm_size;
+       char zdm_msg[1]; /* variable length allocation */
+} zfs_dbgmsg_t;
 
-#endif /* _KERNEL */
+extern void zfs_dbgmsg_init(void);
+extern void zfs_dbgmsg_fini(void);
 
-void zfs_panic_recover(const char *fmt, ...);
-#define        zfs_dbgmsg(...) dprintf(__VA_ARGS__)
-void zfs_dbgmsg_init(void);
-void zfs_dbgmsg_fini(void);
+#ifndef _KERNEL
+extern int dprintf_find_string(const char *string);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* _SYS_ZFS_DEBUG_H */