[PATCH] block: misplaced rq_complete tracepoint

Hannes Reinecke
2014-10-01T12:32:37Z

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>
---
block/blk-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 3aff9f5..eb05abf 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2414,11 +2414,11 @@ 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.
--
1.8.5.2