diff options
| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-09-27 19:15:27 -0400 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-09-28 20:28:13 -0400 |
| commit | f3ddb74ad0790030c9592229fb14d8c451f4e9a8 (patch) | |
| tree | 1bca8a772c02e57ee8ca5db7f393ce5a6fabaea5 /include/linux/trace_events.h | |
| parent | 7e9fbbb1b776d8d7969551565bc246f74ec53b27 (diff) | |
| download | linux-f3ddb74ad0790030c9592229fb14d8c451f4e9a8.tar.bz2 | |
tracing: Wake up ring buffer waiters on closing of the file
When the file that represents the ring buffer is closed, there may be
waiters waiting on more input from the ring buffer. Call
ring_buffer_wake_waiters() to wake up any waiters when the file is
closed.
Link: https://lkml.kernel.org/r/20220927231825.182416969@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Fixes: e30f53aad2202 ("tracing: Do not busy wait in buffer splice")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'include/linux/trace_events.h')
| -rw-r--r-- | include/linux/trace_events.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 8401dec93c15..20749bd9db71 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -92,6 +92,7 @@ struct trace_iterator { unsigned int temp_size; char *fmt; /* modified format holder */ unsigned int fmt_size; + long wait_index; /* trace_seq for __print_flags() and __print_symbolic() etc. */ struct trace_seq tmp_seq; |