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.kulka...@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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