diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 07ef936afc7..af0df78223b 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -27,7 +27,7 @@ static void raid0_unplug(struct request_queue *q) { mddev_t *mddev = q->queuedata; raid0_conf_t *conf = mddev_to_conf(mddev); - mdk_rdev_t **devlist = conf->strip_zone[0].dev; + mdk_rdev_t **devlist = conf->devlist; int i; for (i=0; iraid_disks; i++) { @@ -41,7 +41,7 @@ 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; + mdk_rdev_t **devlist = conf->devlist; int i, ret = 0; for (i = 0; i < mddev->raid_disks && !ret ; i++) { @@ -56,7 +56,7 @@ static int create_strip_zones(mddev_t *mddev) { int i, c, j, err; sector_t curr_zone_end, sectors; - mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev; + mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev, **dev; struct strip_zone *zone; int cnt; char b[BDEVNAME_SIZE]; @@ -115,7 +115,7 @@ static int create_strip_zones(mddev_t *mddev) zone = &conf->strip_zone[0]; cnt = 0; smallest = NULL; - zone->dev = conf->devlist; + dev = conf->devlist; err = -EINVAL; list_for_each_entry(rdev1, &mddev->disks, same_set) { int j = rdev1->raid_disk; @@ -125,12 +125,12 @@ static int create_strip_zones(mddev_t *mddev) "aborting!\n", j); goto abort; } - if (zone->dev[j]) { + if (dev[j]) { printk(KERN_ERR "raid0: multiple devices for %d - " "aborting!\n", j); goto abort; } - zone->dev[j] = rdev1; + dev[j] = rdev1; blk_queue_stack_limits(mddev->queue, rdev1->bdev->bd_disk->queue); @@ -161,7 +161,7 @@ static int create_strip_zones(mddev_t *mddev) for (i = 1; i < conf->nr_strip_zones; i++) { zone = conf->strip_zone + i; - zone->dev = conf->strip_zone[i-1].dev + mddev->raid_disks; + dev = conf->devlist + i * mddev->raid_disks; printk(KERN_INFO "raid0: zone %d\n", i); zone->dev_start = smallest->sectors; @@ -170,7 +170,7 @@ static int create_strip_zones(mddev_t *mddev) for (j=0; jstrip_zone[0].dev[j]; + rdev = conf->devlist[j]; printk(KERN_INFO "raid0: checking %s ...", bdevname(rdev->bdev, b)); if (rdev->sectors <= zone->dev_start) { @@ -178,7 +178,7 @@ static int create_strip_zones(mddev_t *mddev) continue; } printk(KERN_INFO " contained as device %d\n", c); - zone->dev[c] = rdev; + dev[c] = rdev; c++; if (!smallest || rdev->sectors < smallest->sectors) { smallest = rdev; @@ -383,7 +383,8 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio) chunk = x; x = sector >> chunksect_bits; - tmp_dev = zone->dev[sector_div(x, zone->nb_dev)]; + tmp_dev = conf->devlist[(zone - conf->strip_zone)*mddev->raid_disks + + sector_div(x, zone->nb_dev)]; } rsect = (chunk << chunksect_bits) + zone->dev_start + sect_in_chunk; diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h index 124ba34c8ee..7b3605e570c 100644 --- a/drivers/md/raid0.h +++ b/drivers/md/raid0.h @@ -6,7 +6,6 @@ struct strip_zone sector_t zone_end; /* Start of the next zone (in sectors) */ sector_t dev_start; /* Zone offset in real dev (in sectors) */ int nb_dev; /* # of devices attached to the zone */ - mdk_rdev_t **dev; /* Devices attached to the zone */ }; struct raid0_private_data