From: Pavel Begunkov <asml.silence@gmail.com>
Date: Wed, 10 Mar 2021 13:13:55 +0000 (+0000)
Subject: io_uring: simplify io_sqd_update_thread_idle()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c9dca27dc7f9c5dc4ee4ba5b77f7584387f867fe;p=linux.git

io_uring: simplify io_sqd_update_thread_idle()

Use a more comprehensible() max instead of hand coding it with ifs in
io_sqd_update_thread_idle().

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 094f869674b39..d5ef9560449b6 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6699,11 +6699,8 @@ static void io_sqd_update_thread_idle(struct io_sq_data *sqd)
 	struct io_ring_ctx *ctx;
 	unsigned sq_thread_idle = 0;
 
-	list_for_each_entry(ctx, &sqd->ctx_list, sqd_list) {
-		if (sq_thread_idle < ctx->sq_thread_idle)
-			sq_thread_idle = ctx->sq_thread_idle;
-	}
-
+	list_for_each_entry(ctx, &sqd->ctx_list, sqd_list)
+		sq_thread_idle = max(sq_thread_idle, ctx->sq_thread_idle);
 	sqd->sq_thread_idle = sq_thread_idle;
 }