[tip:tracing/blktrace] blktrace: fix t_error()

Li Zefan
2009-03-24T12:13:44Z

Commit-ID: e0dc81bec0927fa0c8aabc521793161909eef7a5
Gitweb: http://git.kernel.org/tip/e0dc81bec0927fa0c8aabc521793161909eef7a5
Author: Li Zefan <lizf@cn.fujitsu.com>
AuthorDate: Tue, 24 Mar 2009 16:05:51 +0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 24 Mar 2009 13:09:00 +0100

blktrace: fix t_error()

Impact: fix error flag output

t_error() should return t->error but not t->sector.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <49C8945F.5020802@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

---
kernel/trace/blktrace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 9af4143..f69f8bd 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -968,7 +968,7 @@ static inline unsigned long long t_sector(const struct trace_entry *ent)

static inline __u16 t_error(const struct trace_entry *ent)
{
- return te_blk_io_trace(ent)->sector;
+ return te_blk_io_trace(ent)->error;
}

static __u64 get_pdu_int(const struct trace_entry *ent)