From: Mateusz Guzik <mjguzik@gmail.com>
Date: Wed, 5 Mar 2025 12:36:44 +0000 (+0100)
Subject: fs: use fput_close() in path_openat()
X-Git-Tag: v6.15-rc1~238^2~1^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=606623de503f4eaa4ca505650bbd2da1f5fb5e6a;p=thirdparty%2Fkernel%2Flinux.git

fs: use fput_close() in path_openat()

This bumps failing open rate by 1.7% on Sapphire Rapids by avoiding one
atomic.

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250305123644.554845-5-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/fs/namei.c b/fs/namei.c
index 3ab9440c5b931..355a370977698 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3995,7 +3995,7 @@ static struct file *path_openat(struct nameidata *nd,
 		WARN_ON(1);
 		error = -EINVAL;
 	}
-	fput(file);
+	fput_close(file);
 	if (error == -EOPENSTALE) {
 		if (flags & LOOKUP_RCU)
 			error = -ECHILD;