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block: misplaced rq_complete tracepoint 

The rq_complete tracepoint was never issued for empty requests,
causing the resulting blktrace information to never show any
completion for those request.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Hannes Reinecke 2014-10-01 14:32:31 +02:00 committed by Jens Axboe
parent c611529e7c
commit 4a0efdc933
1 changed files with 2 additions and 2 deletions
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4
block/blk-core.c
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@ -2400,11 +2400,11 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes)
{
int total_bytes;
trace_block_rq_complete(req->q, req, nr_bytes);
if (!req->bio)
return false;
trace_block_rq_complete(req->q, req, nr_bytes);
/*
* For fs requests, rq is just carrier of independent bio's
* and each partial completion should be handled separately.