[dm-devel] [PATCH 06/11] block: remove extra param for trace_block_getrq()
Chaitanya Kulkarni
chaitanya.kulkarni at wdc.com
Mon Jun 29 23:43:09 UTC 2020
Remove the extra parameter for trace_block_getrq() since we can derive
I/O direction from bio->bi_opf.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
---
block/blk-mq.c | 2 +-
include/trace/events/block.h | 14 ++++++--------
kernel/trace/blktrace.c | 13 ++++++-------
3 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index dbb98b2bc868..d66bb299d4ae 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2111,7 +2111,7 @@ blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
goto queue_exit;
}
- trace_block_getrq(bio, bio->bi_opf);
+ trace_block_getrq(bio);
rq_qos_track(q, rq, bio);
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index d7289576f1fd..3d8923062fc4 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -347,9 +347,9 @@ DEFINE_EVENT(block_bio, block_bio_queue,
DECLARE_EVENT_CLASS(block_get_rq,
- TP_PROTO(struct bio *bio, int rw),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(bio, rw),
+ TP_ARGS(bio),
TP_STRUCT__entry(
__field( dev_t, dev )
@@ -377,22 +377,20 @@ DECLARE_EVENT_CLASS(block_get_rq,
/**
* block_getrq - get a free request entry in queue for block IO operations
* @bio: pending block IO operation (can be %NULL)
- * @rw: low bit indicates a read (%0) or a write (%1)
*
* A request struct for queue has been allocated to handle the
* block IO operation @bio.
*/
DEFINE_EVENT(block_get_rq, block_getrq,
- TP_PROTO(struct bio *bio, int rw),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(bio, rw)
+ TP_ARGS(bio)
);
/**
* block_sleeprq - waiting to get a free request entry in queue for block IO operation
* @bio: pending block IO operation (can be %NULL)
- * @rw: low bit indicates a read (%0) or a write (%1)
*
* In the case where a request struct cannot be provided for queue
* the process needs to wait for an request struct to become
@@ -401,9 +399,9 @@ DEFINE_EVENT(block_get_rq, block_getrq,
*/
DEFINE_EVENT(block_get_rq, block_sleeprq,
- TP_PROTO(struct bio *bio, int rw),
+ TP_PROTO(struct bio *bio),
- TP_ARGS(bio, rw)
+ TP_ARGS(bio)
);
/**
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7b72781a591d..1d36e6153ab8 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -949,8 +949,7 @@ static void blk_add_trace_bio_queue(void *ignore, struct bio *bio)
blk_add_trace_bio(bio, BLK_TA_QUEUE, 0);
}
-static void blk_add_trace_getrq(void *ignore,
- struct bio *bio, int rw)
+static void blk_add_trace_getrq(void *ignore, struct bio *bio)
{
if (bio)
blk_add_trace_bio(bio, BLK_TA_GETRQ, 0);
@@ -960,14 +959,14 @@ static void blk_add_trace_getrq(void *ignore,
rcu_read_lock();
bt = rcu_dereference(bio_q(bio)->blk_trace);
if (bt)
- __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_GETRQ, 0, 0,
- NULL, 0);
+ __blk_add_trace(bt, 0, 0, bio->bi_opf, 0,
+ BLK_TA_GETRQ, 0, 0, NULL, 0);
rcu_read_unlock();
}
}
-static void blk_add_trace_sleeprq(void *ignore, struct bio *bio, int rw)
+static void blk_add_trace_sleeprq(void *ignore, struct bio *bio)
{
if (bio)
blk_add_trace_bio(bio, BLK_TA_SLEEPRQ, 0);
@@ -977,8 +976,8 @@ static void blk_add_trace_sleeprq(void *ignore, struct bio *bio, int rw)
rcu_read_lock();
bt = rcu_dereference(bio_q(bio)->blk_trace);
if (bt)
- __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_SLEEPRQ,
- 0, 0, NULL, 0);
+ __blk_add_trace(bt, 0, 0, bio->bi_opf, 0,
+ BLK_TA_SLEEPRQ, 0, 0, NULL, 0);
rcu_read_unlock();
}
}
--
2.26.0
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