* [RFC PATCH 04/38] blktrace: add a new global list
@ 2021-01-26 23:33 Chaitanya Kulkarni
0 siblings, 0 replies; only message in thread
From: Chaitanya Kulkarni @ 2021-01-26 23:33 UTC (permalink / raw)
To: linux-btrace
Add a separate list to hold running extension traces.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
kernel/trace/blktrace.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index fb0fe4c66b84..aa85daf0b9a8 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -36,6 +36,9 @@ static bool blk_tracer_enabled __read_mostly;
static LIST_HEAD(running_trace_list);
static __cacheline_aligned_in_smp DEFINE_SPINLOCK(running_trace_lock);
+static LIST_HEAD(running_trace_ext_list);
+static __cacheline_aligned_in_smp DEFINE_SPINLOCK(running_trace_ext_lock);
+
/* Select an alternative, minimalistic output than the original one */
#define TRACE_BLK_OPT_CLASSIC 0x1
#define TRACE_BLK_OPT_CGROUP 0x2
--
2.22.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-01-26 23:33 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-26 23:33 [RFC PATCH 04/38] blktrace: add a new global list Chaitanya Kulkarni
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).