diff options
| -rw-r--r-- | drivers/md/raid0.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index d8692fc1796..62fde23bf28 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -52,6 +52,38 @@ static int raid0_congested(void *data, int bits) return ret; } +/* + * inform the user of the raid configuration +*/ +static void dump_zones(mddev_t *mddev) +{ + int j, k, h; + sector_t zone_size = 0; + sector_t zone_start = 0; + char b[BDEVNAME_SIZE]; + raid0_conf_t *conf = mddev->private; + printk(KERN_INFO "******* %s configuration *********\n", + mdname(mddev)); + h = 0; + for (j = 0; j < conf->nr_strip_zones; j++) { + printk(KERN_INFO "zone%d=[", j); + for (k = 0; k < conf->strip_zone[j].nb_dev; k++) + printk("%s/", + bdevname(conf->devlist[j*mddev->raid_disks + + k]->bdev, b)); + printk("]\n"); + + zone_size = conf->strip_zone[j].zone_end - zone_start; + printk(KERN_INFO " zone offset=%llukb " + "device offset=%llukb size=%llukb\n", + (unsigned long long)zone_start>>1, + (unsigned long long)conf->strip_zone[j].dev_start>>1, + (unsigned long long)zone_size>>1); + zone_start = conf->strip_zone[j].zone_end; + } + printk(KERN_INFO "**********************************\n\n"); +} + static int create_strip_zones(mddev_t *mddev) { int i, c, j, err; @@ -289,6 +321,7 @@ static int raid0_run(mddev_t *mddev) } blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec); + dump_zones(mddev); return 0; } |