... we won't see DCACHE_MAY_FREE on anything that is *not* dead
and checking d_flags is just as cheap as checking d_count.
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/dcache.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 49b3fd27559f..19f6eb6f2bde 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1116,11 +1116,10 @@ void shrink_dentry_list(struct list_head *list)
spin_lock(&dentry->d_lock);
rcu_read_lock();
if (!lock_for_kill(dentry)) {
- bool can_free = false;
+ bool can_free;
rcu_read_unlock();
d_shrink_del(dentry);
- if (dentry->d_lockref.count < 0)
- can_free = dentry->d_flags & DCACHE_MAY_FREE;
+ can_free = dentry->d_flags & DCACHE_MAY_FREE;
spin_unlock(&dentry->d_lock);
if (can_free)
dentry_free(dentry);
--
2.39.2
