[tip:tracing/core] blktrace: fix output of unknown events

[tip-bot for Li Zefan]

Commit-ID:  b78825d608f30a47e3154ab6872a03f0de0c9d45
Gitweb:     http://git.kernel.org/tip/b78825d608f30a47e3154ab6872a03f0de0c9d45
Author:     Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Wed, 1 Apr 2009 16:18:53 +0800
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Sun, 12 Apr 2009 15:32:45 +0200

blktrace: fix output of unknown events

Not all events are pc (packet command) events. An event is a pc
event only if it has BLK_TC_PC bit set.

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
Acked-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
LKML-Reference: <49D3236D.3090705@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 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 921ef5d..e45e1af 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1182,7 +1182,7 @@ static enum print_line_t print_one_line(struct trace_iterator *iter,
 	}
 
 	if (unlikely(what == 0 || what >= ARRAY_SIZE(what2act)))
-		ret = trace_seq_printf(s, "Bad pc action %x\n", what);
+		ret = trace_seq_printf(s, "Unknown action %x\n", what);
 	else {
 		ret = log_action(iter, what2act[what].act[long_act]);
 		if (ret)
--
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