From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Mon, 3 Nov 2014 00:18:21 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Richard Weinberger <richard@nod.at>
Subject: Re: [PATCH] UBI: Block: Add blk-mq support
Message-ID: <20141103081821.GA5261@infradead.org>
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On Sun, Nov 02, 2014 at 02:00:55PM +0100, Richard Weinberger wrote:
> +#define UBIBLOCK_SG_COUNT 64


Can you document why you choose this number? The default nr_request
for the old code would be 128.

Also I'll send a patch ASAP that allows drivers to ensure their
->queue_rq is always called from a driver-specific workqueue, which
should simplify the bui block driver a lot.