* [RFC PATCH 24/39] blktrace: update blk_add_trace_bio_remap()
@ 2020-08-25 22:09 Chaitanya Kulkarni
0 siblings, 0 replies; 2+ messages in thread
From: Chaitanya Kulkarni @ 2020-08-25 22:09 UTC (permalink / raw)
To: linux-btrace
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 4a77ac81b5d0..17fa5269155f 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1593,11 +1593,13 @@ static void blk_add_trace_bio_remap(void *ignore,
dev_t dev, sector_t from)
{
struct blk_trace *bt;
+ struct blk_trace_ext *bte;
struct blk_io_trace_remap r;
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;
}
@@ -1606,10 +1608,18 @@ static void blk_add_trace_bio_remap(void *ignore,
r.device_to = cpu_to_be32(bio_dev(bio));
r.sector_from = cpu_to_be64(from);
- __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio_op(bio), bio->bi_opf, BLK_TA_REMAP,
- blk_status_to_errno(bio->bi_status),
- sizeof(r), &r, 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,
+ BLK_TA_REMAP, bio->bi_status, sizeof(r), &r,
+ 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, BLK_TA_REMAP_EXT, bio->bi_status,
+ sizeof(r), &r,
+ blk_trace_bio_get_cgid(q, bio), 0);
+ }
rcu_read_unlock();
}
--
2.22.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [RFC PATCH 24/39] blktrace: update blk_add_trace_bio_remap()
@ 2020-11-05 2:40 Chaitanya Kulkarni
0 siblings, 0 replies; 2+ messages in thread
From: Chaitanya Kulkarni @ 2020-11-05 2:40 UTC (permalink / raw)
To: linux-btrace
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 8e3fec896f88..350aff32c270 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1593,11 +1593,13 @@ static void blk_add_trace_bio_remap(void *ignore,
dev_t dev, sector_t from)
{
struct blk_trace *bt;
+ struct blk_trace_ext *bte;
struct blk_io_trace_remap r;
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;
}
@@ -1606,10 +1608,18 @@ static void blk_add_trace_bio_remap(void *ignore,
r.device_to = cpu_to_be32(bio_dev(bio));
r.sector_from = cpu_to_be64(from);
- __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio_op(bio), bio->bi_opf, BLK_TA_REMAP,
- blk_status_to_errno(bio->bi_status),
- sizeof(r), &r, 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,
+ BLK_TA_REMAP, bio->bi_status, sizeof(r), &r,
+ 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, BLK_TA_REMAP_EXT, bio->bi_status,
+ sizeof(r), &r,
+ blk_trace_bio_get_cgid(q, bio), 0);
+ }
rcu_read_unlock();
}
--
2.22.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
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