[PATCH] Add support for tracing multiple devices

[blktrace.git] / blktrace.h

diff --git a/blktrace.h b/blktrace.h
index 8329d0aa793eae3c2130a92be1366dded9649c6c..9855101b5f784d8f017af08b3c4670632dc0498d 100644 (file)
--- a/blktrace.h
+++ b/blktrace.h
@@ -7,7 +7,7 @@
 #include "blktrace_api.h"
 
 #define CHECK_MAGIC(t)         (((t)->magic & 0xffffff00) == BLK_IO_TRACE_MAGIC)
-#define SUPPORTED_VERSION      (0x04)
+#define SUPPORTED_VERSION      (0x05)
 
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 #define be16_to_cpu(x)         __bswap_16(x)
@@ -54,6 +54,7 @@ static inline void trace_to_be(struct blk_io_trace *t)
        t->cpu          = cpu_to_be32(t->cpu);
        t->error        = cpu_to_be16(t->error);
        t->pdu_len      = cpu_to_be16(t->pdu_len);
+       t->device       = cpu_to_be32(t->device);
        /* t->comm is a string (endian neutral) */
 }
 
@@ -69,6 +70,7 @@ static inline void trace_to_cpu(struct blk_io_trace *t)
        t->cpu          = be32_to_cpu(t->cpu);
        t->error        = be16_to_cpu(t->error);
        t->pdu_len      = be16_to_cpu(t->pdu_len);
+       t->device       = be32_to_cpu(t->device);
        /* t->comm is a string (endian neutral) */
 }