dm_deleting_md
if (dm_deleting_md(md)) {
test_bit(DMF_FREEING, &md->flags) || dm_deleting_md(md)) {
dm_deleting_md(md)) {
if (test_bit(DMF_FREEING, &md->flags) || dm_deleting_md(md)) {
int dm_deleting_md(struct mapped_device *md);