aboutsummaryrefslogtreecommitdiffstats
path: root/block/blktrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/blktrace.c')
-rw-r--r--block/blktrace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index d9d7146ee023..8e52f24cc8f9 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,
165 struct task_struct *tsk = current; 165 struct task_struct *tsk = current;
166 struct ring_buffer_event *event = NULL; 166 struct ring_buffer_event *event = NULL;
167 struct blk_io_trace *t; 167 struct blk_io_trace *t;
168 unsigned long flags; 168 unsigned long flags = 0;
169 unsigned long *sequence; 169 unsigned long *sequence;
170 pid_t pid; 170 pid_t pid;
171 int cpu, pc = 0; 171 int cpu, pc = 0;
@@ -191,7 +191,7 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
191 tracing_record_cmdline(current); 191 tracing_record_cmdline(current);
192 192
193 event = ring_buffer_lock_reserve(blk_tr->buffer, 193 event = ring_buffer_lock_reserve(blk_tr->buffer,
194 sizeof(*t) + pdu_len, &flags); 194 sizeof(*t) + pdu_len);
195 if (!event) 195 if (!event)
196 return; 196 return;
197 197
@@ -241,11 +241,11 @@ record_it:
241 memcpy((void *) t + sizeof(*t), pdu_data, pdu_len); 241 memcpy((void *) t + sizeof(*t), pdu_data, pdu_len);
242 242
243 if (blk_tr) { 243 if (blk_tr) {
244 ring_buffer_unlock_commit(blk_tr->buffer, event, flags); 244 ring_buffer_unlock_commit(blk_tr->buffer, event);
245 if (pid != 0 && 245 if (pid != 0 &&
246 !(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) && 246 !(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) &&
247 (trace_flags & TRACE_ITER_STACKTRACE) != 0) 247 (trace_flags & TRACE_ITER_STACKTRACE) != 0)
248 __trace_stack(blk_tr, flags, 5, pc); 248 __trace_stack(blk_tr, 0, 5, pc);
249 trace_wake_up(); 249 trace_wake_up();
250 return; 250 return;
251 } 251 }