d_lookup()/d_alloc() require parent inode locked. Parent inode is
not locked if request is aborted.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
WARN_ON_ONCE(1);
}
- if (dir && req->r_op == CEPH_MDS_OP_LOOKUPNAME) {
+ if (dir && req->r_op == CEPH_MDS_OP_LOOKUPNAME &&
+ test_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags) &&
+ !test_bit(CEPH_MDS_R_ABORTED, &req->r_req_flags)) {
struct qstr dname;
struct dentry *dn, *parent;