fs: touch up predicts in putname()
1. we already expect the refcount is 1.
2. path creation predicts name == iname
I verified this straightens out the asm, no functional changes.
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://patch.msgid.link/20251029134952.658450-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
diff --git a/fs/namei.c b/fs/namei.c
index 37beb52..bb30617 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -284,7 +284,7 @@ void putname(struct filename *name)
return;
refcnt = atomic_read(&name->refcnt);
- if (refcnt != 1) {
+ if (unlikely(refcnt != 1)) {
if (WARN_ON_ONCE(!refcnt))
return;
@@ -292,7 +292,7 @@ void putname(struct filename *name)
return;
}
- if (name->name != name->iname) {
+ if (unlikely(name->name != name->iname)) {
__putname(name->name);
kfree(name);
} else
