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block: trace event block fix unassigned field

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The "error" field in block_bio_complete is not assigned, leaving the memory area
uninitialized (keeping garbage data). Pass an additional tracepoint argument to
this event to initialize this field.

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
CC: Steven Rostedt <rostedt@goodmis.org>
CC: Frederic Weisbecker <fweisbec@gmail.com>
CC: Ingo Molnar <mingo@elte.hu>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Li Zefan <lizf@cn.fujitsu.com>
CC: Alan.Brunelle@hp.com
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jeff Moyer
2011-01-06 20:41:42 +01:00
committed by Jens Axboe
parent 6c23a9681c
commit b7908c1035
2 changed files with 5 additions and 3 deletions
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2
drivers/md/dm.c
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@@ -630,7 +630,7 @@ static void dec_pending(struct dm_io *io, int error)
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
trace_block_bio_complete(md->queue, bio);
trace_block_bio_complete(md->queue, bio, io_error);
bio_endio(bio, io_error);
}
}