quota: use lookup_one_len_unlocked()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 3c3b81b..04ca0cc 100644 (file)
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2430,9 +2430,7 @@ int dquot_quota_on_mount(struct super_block *sb, char *qf_name,
        struct dentry *dentry;
        int error;
 
-       inode_lock(d_inode(sb->s_root));
-       dentry = lookup_one_len(qf_name, sb->s_root, strlen(qf_name));
-       inode_unlock(d_inode(sb->s_root));
+       dentry = lookup_one_len_unlocked(qf_name, sb->s_root, strlen(qf_name));
        if (IS_ERR(dentry))
                return PTR_ERR(dentry);