[RFC PATCH 21/39] blktrace: update blk_add_trace_unplug()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
---
 kernel/trace/blktrace.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 0a9b491bac9e..1f2857cdbcee 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1438,9 +1438,11 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
 				    unsigned int depth, bool explicit)
 {
 	struct blk_trace *bt;
+	struct blk_trace_ext *bte;
 
 	rcu_read_lock();
 	bt = rcu_dereference(q->blk_trace);
+	bte = rcu_dereference(q->blk_trace_ext);
 	if (bt) {
 		__be64 rpdu = cpu_to_be64(depth);
 		u32 what;
@@ -1451,6 +1453,16 @@ static void blk_add_trace_unplug(void *ignore, struct request_queue *q,
 			what = BLK_TA_UNPLUG_TIMER;
 
 		__blk_add_trace(bt, 0, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu, 0);
+	} else if (bte) {
+		__be64 rpdu = cpu_to_be64(depth);
+		u64 what;
+
+		if (explicit)
+			what = BLK_TA_UNPLUG_IO_EXT;
+		else
+			what = BLK_TA_UNPLUG_TIMER_EXT;
+		__blk_add_trace_ext(bte, 0, 0, 0, 0, what, 0, sizeof(rpdu),
+				&rpdu, 0, 0);
 	}
 	rcu_read_unlock();
 }
-- 
2.22.1




[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux