took_snap_rwsem 1826 fs/ceph/caps.c int took_snap_rwsem = 0; /* true if mdsc->snap_rwsem held */ took_snap_rwsem 2017 fs/ceph/caps.c if (took_snap_rwsem) { took_snap_rwsem 2019 fs/ceph/caps.c took_snap_rwsem = 0; took_snap_rwsem 2040 fs/ceph/caps.c if (!took_snap_rwsem) { took_snap_rwsem 2046 fs/ceph/caps.c took_snap_rwsem = 1; took_snap_rwsem 2049 fs/ceph/caps.c took_snap_rwsem = 1; took_snap_rwsem 2085 fs/ceph/caps.c if (took_snap_rwsem)