From 47d0ed1e6f8a8ee67492ec63173a27df8e4ca059 Mon Sep 17 00:00:00 2001 From: Brian Behlendorf Date: Thu, 26 Aug 2010 11:44:12 -0700 Subject: [PATCH] Add linux spl debug support Use spl debug if HAVE_SPL defined Signed-off-by: Brian Behlendorf --- module/zfs/include/sys/zfs_debug.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/module/zfs/include/sys/zfs_debug.h b/module/zfs/include/sys/zfs_debug.h index 50ecf9b36..f08d7cd2b 100644 --- a/module/zfs/include/sys/zfs_debug.h +++ b/module/zfs/include/sys/zfs_debug.h @@ -54,11 +54,24 @@ extern int zfs_flags; #define ZFS_DEBUG_MODIFY 0x0010 #ifdef ZFS_DEBUG +#if defined(_KERNEL) && defined(HAVE_SPL) +/* + * Log ZFS debug messages as the spl SS_USER1 subsystem. + */ +#include + +#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, int line, const char *fmt, ...); #define dprintf(...) \ if (zfs_flags & ZFS_DEBUG_DPRINTF) \ __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) +#endif /* _KERNEL && HAVE_SPL */ #else #define dprintf(...) ((void)0) #endif /* ZFS_DEBUG */