X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fmd%2Fraid0.c;h=dfe32149ad3ae1b0caf77fc39003d82cb640f3f7;hp=678f4dbbea1d5c22082d13fb1afd321465b61f28;hb=1e9abb5b1dc90cfcf0e6f1e10f7aaf34d0f33b6b;hpb=2746b8623abce815aaae7afc946b1b39f8436f5a diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 678f4dbbea1d..dfe32149ad3a 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -60,6 +60,21 @@ static int raid0_issue_flush(request_queue_t *q, struct gendisk *disk, 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) { @@ -236,6 +251,8 @@ 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; @@ -331,13 +348,14 @@ static int raid0_run (mddev_t *mddev) goto out_free_conf; size = conf->strip_zone[cur].size; - for (i=0; i< nb_zone; i++) { - conf->hash_table[i] = conf->strip_zone + cur; + conf->hash_table[0] = conf->strip_zone + cur; + for (i=1; i< nb_zone; i++) { while (size <= conf->hash_spacing) { cur++; size += conf->strip_zone[cur].size; } size -= conf->hash_spacing; + conf->hash_table[i] = conf->strip_zone + cur; } if (conf->preshift) { conf->hash_spacing >>= conf->preshift;