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-rw-r--r--fs/io_uring.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 67d1aae349d7..9cc7a101ef2a 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2167,6 +2167,8 @@ static int io_ring_submit(struct io_ring_ctx *ctx, unsigned int to_submit)
static unsigned io_cqring_events(struct io_cq_ring *ring)
{
+ /* See comment at the top of this file */
+ smp_rmb();
return READ_ONCE(ring->r.tail) - READ_ONCE(ring->r.head);
}
@@ -2182,8 +2184,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
DEFINE_WAIT(wait);
int ret;
- /* See comment at the top of this file */
- smp_rmb();
if (io_cqring_events(ring) >= min_events)
return 0;
@@ -2205,8 +2205,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
prepare_to_wait(&ctx->wait, &wait, TASK_INTERRUPTIBLE);
ret = 0;
- /* See comment at the top of this file */
- smp_rmb();
if (io_cqring_events(ring) >= min_events)
break;