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Add linux spl debug support

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Use spl debug if HAVE_SPL defined

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2010-08-26 11:44:12 -07:00
parent 2eadf037f5
commit 47d0ed1e6f
1 changed files with 13 additions and 0 deletions
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13
module/zfs/include/sys/zfs_debug.h
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@ -54,11 +54,24 @@ extern int zfs_flags;
#define ZFS_DEBUG_MODIFY 0x0010 #define ZFS_DEBUG_MODIFY 0x0010
#ifdef ZFS_DEBUG #ifdef ZFS_DEBUG
#if defined(_KERNEL) && defined(HAVE_SPL)
/*
* Log ZFS debug messages as the spl SS_USER1 subsystem.
*/
#include <spl-debug.h>
#ifdef SS_DEBUG_SUBSYS
#undef SS_DEBUG_SUBSYS
#endif
#define SS_DEBUG_SUBSYS SS_USER1
#define dprintf(...) SDEBUG_LIMIT(SD_DPRINTF, __VA_ARGS__)
#else
extern void __dprintf(const char *file, const char *func, extern void __dprintf(const char *file, const char *func,
int line, const char *fmt, ...); int line, const char *fmt, ...);
#define dprintf(...) \ #define dprintf(...) \
if (zfs_flags & ZFS_DEBUG_DPRINTF) \ if (zfs_flags & ZFS_DEBUG_DPRINTF) \
__dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
#endif /* _KERNEL && HAVE_SPL */
#else #else
#define dprintf(...) ((void)0) #define dprintf(...) ((void)0)
#endif /* ZFS_DEBUG */ #endif /* ZFS_DEBUG */