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Date: Wed, 2 Mar 2016 08:37:46 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
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Subject: Re: [PATCH] pnfs  support servers with multiple layout types
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> +	for(i = 0; i < num && i < NFS_MAX_LAYOUT_TYPES; i++)
> +		layouttype[i] = be32_to_cpup(p++);

Can we use a bitmap and do something like

	layouttype |= (1 << be32_to_cpup(p++));

that's what I did for my unsubmitted patches to submit multiple
layouttypes in the Linux server..