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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-02-05 16:12:56 -0200
committerIngo Molnar <mingo@elte.hu>2009-02-06 01:01:40 +0100
commit0a9877514c4fed10a70720293b37213dd172ee3e (patch)
tree7f21548126d448d96116f57f2c7927fa2b2c7ddd /block
parentdac74940289f350c2590bec92737833bad608541 (diff)
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ring_buffer: remove unused flags parameter
Impact: API change, cleanup >From ring_buffer_{lock_reserve,unlock_commit}. $ codiff /tmp/vmlinux.before /tmp/vmlinux.after linux-2.6-tip/kernel/trace/trace.c: trace_vprintk | -14 trace_graph_return | -14 trace_graph_entry | -10 trace_function | -8 __ftrace_trace_stack | -8 ftrace_trace_userstack | -8 tracing_sched_switch_trace | -8 ftrace_trace_special | -12 tracing_sched_wakeup_trace | -8 9 functions changed, 90 bytes removed, diff: -90 linux-2.6-tip/block/blktrace.c: __blk_add_trace | -1 1 function changed, 1 bytes removed, diff: -1 /tmp/vmlinux.after: 10 functions changed, 91 bytes removed, diff: -91 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Frédéric Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block')
-rw-r--r--block/blktrace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index d9d7146ee02..8e52f24cc8f 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -165,7 +165,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
struct task_struct *tsk = current;
struct ring_buffer_event *event = NULL;
struct blk_io_trace *t;
- unsigned long flags;
+ unsigned long flags = 0;
unsigned long *sequence;
pid_t pid;
int cpu, pc = 0;
@@ -191,7 +191,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
tracing_record_cmdline(current);
event = ring_buffer_lock_reserve(blk_tr->buffer,
- sizeof(*t) + pdu_len, &flags);
+ sizeof(*t) + pdu_len);
if (!event)
return;
@@ -241,11 +241,11 @@ record_it:
memcpy((void *) t + sizeof(*t), pdu_data, pdu_len);
if (blk_tr) {
- ring_buffer_unlock_commit(blk_tr->buffer, event, flags);
+ ring_buffer_unlock_commit(blk_tr->buffer, event);
if (pid != 0 &&
!(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) &&
(trace_flags & TRACE_ITER_STACKTRACE) != 0)
- __trace_stack(blk_tr, flags, 5, pc);
+ __trace_stack(blk_tr, 0, 5, pc);
trace_wake_up();
return;
}