have raid5 check chunk size in run method instead of in md
raid5.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
Signed-Off-by:raziebe@xxxxxxxxx
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e4608d6..0c688ee 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4452,7 +4452,15 @@ static int run(mddev_t *mddev)
raid5_conf_t *conf;
int working_disks = 0;
mdk_rdev_t *rdev;
-
+ /*
+ * chunk-size has to be a power of 2
+ */
+ if ((1 << ffz(~mddev->chunk_size)) != mddev->chunk_size) {
+ printk(KERN_ERR "%s chunk_size of %d not valid\n",
+ mdname(mddev),
+ mddev->chunk_size);
+ return -EINVAL;
+ }
if (mddev->reshape_position != MaxSector) {
/* Check that we can continue the reshape.
* Currently only disks can change, it must
--
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
