diff options
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/zfs_debug.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/include/sys/zfs_debug.h b/include/sys/zfs_debug.h index 226aaa2b8..7e05c2a35 100644 --- a/include/sys/zfs_debug.h +++ b/include/sys/zfs_debug.h @@ -41,6 +41,7 @@ extern "C" { extern int zfs_flags; extern int zfs_recover; extern int zfs_free_leak_on_eio; +extern int zfs_dbgmsg_enable; #define ZFS_DEBUG_DPRINTF (1 << 0) #define ZFS_DEBUG_DBUF_VERIFY (1 << 1) @@ -55,10 +56,22 @@ extern int zfs_free_leak_on_eio; 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__) + if (zfs_dbgmsg_enable) \ + __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) + +#ifdef ZFS_DEBUG +/* + * To enable this: + * + * $ echo 1 >/sys/module/zfs/parameters/zfs_flags + */ +#define dprintf(...) \ + if (zfs_flags & ZFS_DEBUG_DPRINTF) \ + __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) +#else +#define dprintf(...) ((void)0) +#endif /* ZFS_DEBUG */ extern void zfs_panic_recover(const char *fmt, ...); |