[RFC PATCH 04/38] blktrace: add a new global list
Chaitanya Kulkarni <[email protected]>
| Newsgroups | org.kernel.vger.linux-btrace |
|---|---|
| Message-ID | <[email protected]> |
Add a separate list to hold running extension traces. Signed-off-by: Chaitanya Kulkarni <[email protected]> --- 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