diff options
Diffstat (limited to 'kernel/trace/blktrace.c')
| -rw-r--r-- | kernel/trace/blktrace.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 9e5b8c272eec..ed58a3216a6d 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -72,7 +72,7 @@ static void trace_note(struct blk_trace *bt, pid_t pid, int action, bool blk_tracer = blk_tracer_enabled; if (blk_tracer) { - buffer = blk_tr->buffer; + buffer = blk_tr->trace_buffer.buffer; pc = preempt_count(); event = trace_buffer_lock_reserve(buffer, TRACE_BLK, sizeof(*t) + len, @@ -218,7 +218,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes, if (blk_tracer) { tracing_record_cmdline(current); - buffer = blk_tr->buffer; + buffer = blk_tr->trace_buffer.buffer; pc = preempt_count(); event = trace_buffer_lock_reserve(buffer, TRACE_BLK, sizeof(*t) + pdu_len, @@ -739,12 +739,6 @@ static void blk_add_trace_rq_complete(void *ignore, struct request_queue *q, struct request *rq) { - struct blk_trace *bt = q->blk_trace; - - /* if control ever passes through here, it's a request based driver */ - if (unlikely(bt && !bt->rq_based)) - bt->rq_based = true; - blk_add_trace_rq(q, rq, BLK_TA_COMPLETE); } @@ -780,24 +774,10 @@ static void blk_add_trace_bio_bounce(void *ignore, blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0); } -static void blk_add_trace_bio_complete(void *ignore, struct bio *bio, int error) +static void blk_add_trace_bio_complete(void *ignore, + struct request_queue *q, struct bio *bio, + int error) { - struct request_queue *q; - struct blk_trace *bt; - - if (!bio->bi_bdev) - return; - - q = bdev_get_queue(bio->bi_bdev); - bt = q->blk_trace; - - /* - * Request based drivers will generate both rq and bio completions. - * Ignore bio ones. - */ - if (likely(!bt) || bt->rq_based) - return; - blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error); } |