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md: raid5: chunk size check in setup_conf

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have raid5 check chunk size in run/reshape method instead of in md

Signed-off-by: raziebe@gmail.com
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
raz ben yehuda 2009-06-16 17:01:36 +10:00 committed by NeilBrown
parent 964e7913b0
commit 740da44918
1 changed files with 2 additions and 1 deletions
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3
drivers/md/raid5.c
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@ -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);