return ret;
}
+static int raid0_congested(void *data, int bits)
+{
+ mddev_t *mddev = data;
+ raid0_conf_t *conf = mddev_to_conf(mddev);
+ mdk_rdev_t **devlist = conf->strip_zone[0].dev;
+ int i, ret = 0;
+
+ for (i = 0; i < mddev->raid_disks && !ret ; i++) {
+ request_queue_t *q = bdev_get_queue(devlist[i]->bdev);
+
+ ret |= bdi_congested(&q->backing_dev_info, bits);
+ }
+ return ret;
+}
+
static int create_strip_zones (mddev_t *mddev)
{
mddev->queue->unplug_fn = raid0_unplug;
mddev->queue->issue_flush_fn = raid0_issue_flush;
+ mddev->queue->backing_dev_info.congested_fn = raid0_congested;
+ mddev->queue->backing_dev_info.congested_data = mddev;
printk("raid0: done.\n");
return 0;
raid0_conf_t *conf = mddev_to_conf(mddev);
struct strip_zone *zone;
mdk_rdev_t *tmp_dev;
- unsigned long chunk;
+ sector_t chunk;
sector_t block, rsect;
const int rw = bio_data_dir(bio);
sector_div(x, zone->nb_dev);
chunk = x;
- BUG_ON(x != (sector_t)chunk);
x = block >> chunksize_bits;
tmp_dev = zone->dev[sector_div(x, zone->nb_dev)];