From 740da44918680a0c72411ae4ccdd1861069afcc4 Mon Sep 17 00:00:00 2001 From: raz ben yehuda Date: Tue, 16 Jun 2009 17:01:36 +1000 Subject: md: raid5: chunk size check in setup_conf have raid5 check chunk size in run/reshape method instead of in md Signed-off-by: raziebe@gmail.com Signed-off-by: NeilBrown --- drivers/md/raid5.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 7fb97c6..be4e62f 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4336,7 +4336,8 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) return ERR_PTR(-EINVAL); } - if (!mddev->new_chunk || mddev->new_chunk % PAGE_SIZE) { + if (!mddev->new_chunk || mddev->new_chunk % PAGE_SIZE || + !is_power_of_2(mddev->new_chunk)) { printk(KERN_ERR "raid5: invalid chunk size %d for %s\n", mddev->new_chunk, mdname(mddev)); return ERR_PTR(-EINVAL); -- cgit v1.1