| Message ID | 20210225070231.21136-14-chaitanya.kulkarni@wdc.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | blktrace: add block trace extension support | expand |
On 2021/02/25 16:04, Chaitanya Kulkarni wrote: > Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> No commit message. > --- > kernel/trace/blktrace.c | 21 ++++++++++++++++----- > 1 file changed, 16 insertions(+), 5 deletions(-) > > diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c > index 07f71a052a0d..14658b2a3fc8 100644 > --- a/kernel/trace/blktrace.c > +++ b/kernel/trace/blktrace.c > @@ -1247,20 +1247,31 @@ 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) > + u64 what, int error) > { > struct blk_trace *bt; > + struct blk_trace_ext *bte; > > rcu_read_lock(); > bt = rcu_dereference(q->blk_trace); > - if (likely(!bt)) { > + bte = rcu_dereference(q->blk_trace_ext); > + if (likely(!bt) && likely(!bte)) { > rcu_read_unlock(); > 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, > - blk_trace_bio_get_cgid(q, bio)); > + if (bt) { > + __blk_add_trace(bt, bio->bi_iter.bi_sector, > + bio->bi_iter.bi_size, bio_op(bio), > + bio->bi_opf, (u32)what, error, 0, NULL, > + blk_trace_bio_get_cgid(q, bio)); > + } else if (bte) { > + __blk_add_trace_ext(bte, bio->bi_iter.bi_sector, > + bio->bi_iter.bi_size, bio_op(bio), > + bio->bi_opf, what, error, 0, NULL, > + blk_trace_bio_get_cgid(q, bio), > + bio_prio(bio)); > + } > rcu_read_unlock(); > } > >
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 07f71a052a0d..14658b2a3fc8 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1247,20 +1247,31 @@ 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) + u64 what, int error) { struct blk_trace *bt; + struct blk_trace_ext *bte; rcu_read_lock(); bt = rcu_dereference(q->blk_trace); - if (likely(!bt)) { + bte = rcu_dereference(q->blk_trace_ext); + if (likely(!bt) && likely(!bte)) { rcu_read_unlock(); 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, - blk_trace_bio_get_cgid(q, bio)); + if (bt) { + __blk_add_trace(bt, bio->bi_iter.bi_sector, + bio->bi_iter.bi_size, bio_op(bio), + bio->bi_opf, (u32)what, error, 0, NULL, + blk_trace_bio_get_cgid(q, bio)); + } else if (bte) { + __blk_add_trace_ext(bte, bio->bi_iter.bi_sector, + bio->bi_iter.bi_size, bio_op(bio), + bio->bi_opf, what, error, 0, NULL, + blk_trace_bio_get_cgid(q, bio), + bio_prio(bio)); + } rcu_read_unlock(); }
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> --- kernel/trace/blktrace.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-)