linux-kernel - [PATCH v2 4/4] fs: use fput_close() in path

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Message-ID: <20250304183506.498724-5-mjguzik@gmail.com>
Date: Tue,  4 Mar 2025 19:35:06 +0100
From: Mateusz Guzik <mjguzik@...il.com>
To: brauner@...nel.org,
	viro@...iv.linux.org.uk
Cc: jack@...e.cz,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Mateusz Guzik <mjguzik@...il.com>
Subject: [PATCH v2 4/4] 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@...il.com>
---
 fs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index 8ce8e6038346..d38b8dc16b4b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4014,7 +4014,7 @@ 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;
-- 
2.43.0