diff options
| -rw-r--r-- | fs/dcache.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 3c17f9815b7e..e9285720356f 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -979,8 +979,6 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name) dentry = hlist_entry(node, struct dentry, d_hash); - smp_rmb(); - if (dentry->d_name.hash != hash) continue; if (dentry->d_parent != parent) @@ -1003,7 +1001,11 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name) if (dentry->d_parent != parent) goto next; - qstr = rcu_dereference(&dentry->d_name); + /* + * It is safe to compare names since d_move() cannot + * change the qstr (protected by d_lock). + */ + qstr = &dentry->d_name; if (parent->d_op && parent->d_op->d_compare) { if (parent->d_op->d_compare(parent, qstr, name)) goto next; |