87 		   (r = atomic_cmpxchg(&device->md_io.in_use, 0, 1)) == 0 ||  in drbd_md_get_buffer()
93 	device->md_io.current_use = intent;  in drbd_md_get_buffer()
94 	device->md_io.start_jif = jiffies;  in drbd_md_get_buffer()
95 	device->md_io.submit_jif = device->md_io.start_jif - 1;  in drbd_md_get_buffer()
96 	return page_address(device->md_io.page);  in drbd_md_get_buffer()
101 	if (atomic_dec_and_test(&device->md_io.in_use))  in drbd_md_put_buffer()
135 	device->md_io.done = 0;  in _drbd_md_sync_page_io()
136 	device->md_io.error = -ENODEV;  in _drbd_md_sync_page_io()
146 	if (bio_add_page(bio, device->md_io.page, size, 0) != size)  in _drbd_md_sync_page_io()
162 	atomic_inc(&device->md_io.in_use); /* drbd_md_put_buffer() is in the completion handler */  in _drbd_md_sync_page_io()
163 	device->md_io.submit_jif = jiffies;  in _drbd_md_sync_page_io()
168 	wait_until_done_or_force_detached(device, bdev, &device->md_io.done);  in _drbd_md_sync_page_io()
170 		err = device->md_io.error;  in _drbd_md_sync_page_io()
181 	D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1);  in drbd_md_sync_page_io()