100 		   (r = atomic_cmpxchg(&device->md_io.in_use, 0, 1)) == 0 ||  in drbd_md_get_buffer()
106 	device->md_io.current_use = intent;  in drbd_md_get_buffer()
107 	device->md_io.start_jif = jiffies;  in drbd_md_get_buffer()
108 	device->md_io.submit_jif = device->md_io.start_jif - 1;  in drbd_md_get_buffer()
109 	return page_address(device->md_io.page);  in drbd_md_get_buffer()
114 	if (atomic_dec_and_test(&device->md_io.in_use))  in drbd_md_put_buffer()
147 	device->md_io.done = 0;  in _drbd_md_sync_page_io()
148 	device->md_io.error = -ENODEV;  in _drbd_md_sync_page_io()
158 	if (bio_add_page(bio, device->md_io.page, size, 0) != size)  in _drbd_md_sync_page_io()
175 	atomic_inc(&device->md_io.in_use); /* drbd_md_put_buffer() is in the completion handler */  in _drbd_md_sync_page_io()
176 	device->md_io.submit_jif = jiffies;  in _drbd_md_sync_page_io()
181 	wait_until_done_or_force_detached(device, bdev, &device->md_io.done);  in _drbd_md_sync_page_io()
183 		err = device->md_io.error;  in _drbd_md_sync_page_io()
194 	D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1);  in drbd_md_sync_page_io()