Subject: PATCH[002:002] md: raid0: dump raid configuration

raz ben yehuda
2009-05-14T16:00:09Z

Tell the user how raid0 looks like.
raid0.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
Signed-Off-by:raziebe@gmail.com
---
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 9865316..2ce81d0 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -267,6 +267,29 @@ static int raid0_is_power2_chunk(mddev_t *mddev)
}

+static void raid0_dump_zones(mddev_t *mddev)
+{
+ int j, k, h;
+ char b[BDEVNAME_SIZE];
+ raid0_conf_t *conf = mddev_to_conf(mddev);
+ printk(KERN_INFO "***** %s configuration ******",
+ mdname(mddev));
+ h = 0;
+ for (j = 0; j < conf->nr_strip_zones; j++) {
+ printk("\nzone%d", j);
+ printk("=[");
+ for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
+ printk("%s/", bdevname(
+ conf->strip_zone[j].dev[k]->bdev, b));
+ printk("]\n\t zone offset=%llu device offset=%llu size=%llukb\n",
+ (unsigned long long)conf->strip_zone[j].zone_start,
+ (unsigned long long)conf->strip_zone[j].dev_start,
+ (unsigned long long)conf->strip_zone[j].sectors>>1);
+ }
+ printk(KERN_INFO "**********************************\n\n");
+}
+
+
static int raid0_run(mddev_t *mddev)
{
int ret;
@@ -317,6 +340,7 @@ static int raid0_run(mddev_t *mddev)
}

blk_queue_merge_bvec(mddev->queue, raid0_mergeable_bvec);
+ raid0_dump_zones(mddev);
return 0;
}