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lfsr: don't pass in last value to lfsr_next()
[fio.git]
/
io_u_queue.h
diff --git
a/io_u_queue.h
b/io_u_queue.h
index 5b6cad0ef173926f1ff0e259bac560f2a69d1d83..bda40d5ea263920055f6d75c62bdca8e4559034c 100644
(file)
--- a/
io_u_queue.h
+++ b/
io_u_queue.h
@@
-12,8
+12,13
@@
struct io_u_queue {
static inline struct io_u *io_u_qpop(struct io_u_queue *q)
{
static inline struct io_u *io_u_qpop(struct io_u_queue *q)
{
- if (q->nr)
- return q->io_us[--q->nr];
+ if (q->nr) {
+ const unsigned int next = --q->nr;
+ struct io_u *io_u = q->io_us[next];
+
+ q->io_us[next] = NULL;
+ return io_u;
+ }
return NULL;
}
return NULL;
}
@@
-23,7
+28,7
@@
static inline void io_u_qpush(struct io_u_queue *q, struct io_u *io_u)
q->io_us[q->nr++] = io_u;
}
q->io_us[q->nr++] = io_u;
}
-static inline int io_u_qempty(struct io_u_queue *q)
+static inline int io_u_qempty(
const
struct io_u_queue *q)
{
return !q->nr;
}
{
return !q->nr;
}