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blktrace: Use blk_trace_bio_get_cgid inside blk_add_trace_bio 

We always pass in blk_trace_bio_get_cgid(q, bio) to blk_add_trace_bio().
Since both are readily available in the function already, kill the
argument.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>

Rewrote commit message.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
hifive-unleashed-5.1
Marcos Paulo de Souza 2017-11-19 16:48:13 -02:00 committed by Jens Axboe
parent 7fb526212f
commit 1690102de5
1 changed files with 10 additions and 16 deletions
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26
kernel/trace/blktrace.c
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@ -872,7 +872,7 @@ static void blk_add_trace_rq_complete(void *ignore, struct request *rq,
*
**/
static void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
u32 what, int error, union kernfs_node_id *cgid)
u32 what, int error)
{
struct blk_trace *bt = q->blk_trace;
@ -880,22 +880,21 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
return;
__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
bio_op(bio), bio->bi_opf, what, error, 0, NULL, cgid);
bio_op(bio), bio->bi_opf, what, error, 0, NULL,
blk_trace_bio_get_cgid(q, bio));
}
static void blk_add_trace_bio_bounce(void *ignore,
struct request_queue *q, struct bio *bio)
{
blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_BOUNCE, 0);
}
static void blk_add_trace_bio_complete(void *ignore,
struct request_queue *q, struct bio *bio,
int error)
{
blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_COMPLETE, error);
}
static void blk_add_trace_bio_backmerge(void *ignore,
@ -903,8 +902,7 @@ static void blk_add_trace_bio_backmerge(void *ignore,
struct request *rq,
struct bio *bio)
{
blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_BACKMERGE, 0);
}
static void blk_add_trace_bio_frontmerge(void *ignore,
@ -912,15 +910,13 @@ static void blk_add_trace_bio_frontmerge(void *ignore,
struct request *rq,
struct bio *bio)
{
blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_FRONTMERGE, 0);
}
static void blk_add_trace_bio_queue(void *ignore,
struct request_queue *q, struct bio *bio)
{
blk_add_trace_bio(q, bio, BLK_TA_QUEUE, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_QUEUE, 0);
}
static void blk_add_trace_getrq(void *ignore,
@ -928,8 +924,7 @@ static void blk_add_trace_getrq(void *ignore,
struct bio *bio, int rw)
{
if (bio)
blk_add_trace_bio(q, bio, BLK_TA_GETRQ, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_GETRQ, 0);
else {
struct blk_trace *bt = q->blk_trace;
@ -945,8 +940,7 @@ static void blk_add_trace_sleeprq(void *ignore,
struct bio *bio, int rw)
{
if (bio)
blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0,
blk_trace_bio_get_cgid(q, bio));
blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0);
else {
struct blk_trace *bt = q->blk_trace;