[PATCH barrier cleanup v1 6/7] io_uring: remove unnecessary barrier after incrementing dropped counter

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smp_store_release in io_commit_sqring already orders the store to
dropped before the update to SQ head.

Signed-off-by: Stefan Bühler <source@xxxxxxxxxxxx>
---
 fs/io_uring.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index f93a9fca8311..0287f6694e3b 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1843,8 +1843,6 @@ static bool io_get_sqring(struct io_ring_ctx *ctx, struct sqe_submit *s)
 	/* drop invalid entries */
 	ctx->cached_sq_head++;
 	ring->dropped++;
-	/* See comment at the top of this file */
-	smp_wmb();
 	return false;
 }
 
-- 
2.20.1




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