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 <neilb@suse.de>
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@ -4336,7 +4336,8 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
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return ERR_PTR(-EINVAL);
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return ERR_PTR(-EINVAL);
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}
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}
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if (!mddev->new_chunk || mddev->new_chunk % PAGE_SIZE) {
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if (!mddev->new_chunk || mddev->new_chunk % PAGE_SIZE ||
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!is_power_of_2(mddev->new_chunk)) {
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printk(KERN_ERR "raid5: invalid chunk size %d for %s\n",
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printk(KERN_ERR "raid5: invalid chunk size %d for %s\n",
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mddev->new_chunk, mdname(mddev));
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mddev->new_chunk, mdname(mddev));
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return ERR_PTR(-EINVAL);
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return ERR_PTR(-EINVAL);
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