From: Pavel Begunkov <asml.silence@gmail.com>
Date: Fri, 9 Apr 2021 08:13:21 +0000 (+0100)
Subject: io_uring: simplify apoll hash removal
X-Git-Tag: v5.15~1256^2~66
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0ea13b448ee75ef0c68c18d207f6c488f143e725;p=platform%2Fkernel%2Flinux-starfive.git

io_uring: simplify apoll hash removal

hash_del() works well with non-hashed nodes, there's no need to check
if it is hashed first.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 88c9462..abab957 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -5059,10 +5059,7 @@ static void io_async_task_func(struct callback_head *cb)
 		return;
 	}
 
-	/* If req is still hashed, it cannot have been canceled. Don't check. */
-	if (hash_hashed(&req->hash_node))
-		hash_del(&req->hash_node);
-
+	hash_del(&req->hash_node);
 	io_poll_remove_double(req);
 	spin_unlock_irq(&ctx->completion_lock);