From 964e7913b0d25b988e27a7cd9378bc55cc572bb4 Mon Sep 17 00:00:00 2001 From: raz ben yehuda Date: Tue, 16 Jun 2009 17:01:22 +1000 Subject: md: raid10: chunk size check in run have raid10 check chunk size in run method instead of in md Signed-off-by: raziebe@gmail.com Signed-off-by: NeilBrown --- drivers/md/raid10.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/md/raid10.c') diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 9a5beb4fd95..06bef686f91 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2050,9 +2050,10 @@ static int run(mddev_t *mddev) int nc, fc, fo; sector_t stride, size; - if (mddev->chunk_size < PAGE_SIZE) { + if (mddev->chunk_size < PAGE_SIZE || + !is_power_of_2(mddev->chunk_size)) { printk(KERN_ERR "md/raid10: chunk size must be " - "at least PAGE_SIZE(%ld).\n", PAGE_SIZE); + "at least PAGE_SIZE(%ld) and be a power of 2.\n", PAGE_SIZE); return -EINVAL; } -- cgit v1.2.3