From: Mateusz Guzik <mjguzik@gmail.com>
Date: Sun, 6 Apr 2025 23:58:05 +0000 (+0200)
Subject: fs: predict not having to do anything in fdput()
X-Git-Tag: block-6.16-20250606~51^2~24^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5f3e0b4a1f59ab616a09a45fddddefa6ef756229;p=linux-block.git

fs: predict not having to do anything in fdput()

This matches the annotation in fdget().

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/20250406235806.1637000-2-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/include/linux/file.h b/include/linux/file.h
index 302f11355b10..af1768d934a0 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -59,7 +59,7 @@ static inline struct fd CLONED_FD(struct file *f)
 
 static inline void fdput(struct fd fd)
 {
-	if (fd.word & FDPUT_FPUT)
+	if (unlikely(fd.word & FDPUT_FPUT))
 		fput(fd_file(fd));
 }