have raid0 check chunk size in run method instead of in md
hardsect is short and chunksize am int, so i can use %.
raid0.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
Signed-off-by: raziebe@xxxxxxxxx
---
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index a994169..b92b332 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -236,7 +236,17 @@ static int create_strip_zones(mddev_t *mddev)
mddev->queue->unplug_fn = raid0_unplug;
mddev->queue->backing_dev_info.congested_fn = raid0_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
-
+ /*
+ * now since we have the hard sector sizes, we can make sure
+ * chunk size is a multiple of that sector size
+ * note! mdadm enforced 1K minimum for the chunk size.
+ */
+ if (mddev->chunk_size % mddev->queue->hardsect_size) {
+ printk(KERN_ERR "%s chunk_size of %d not valid\n",
+ mdname(mddev),
+ mddev->chunk_size);
+ goto abort;
+ }
printk(KERN_INFO "raid0: done.\n");
mddev->private = conf;
return 0;
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
