linux-kernel - Re: [patch]blk: use correct sectors limitation for discard request

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Message-ID: <20120320163142.GF17071@redhat.com>
Date:	Tue, 20 Mar 2012 12:31:42 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Shaohua Li <shli@...nel.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"axboe@...nel.dk" <axboe@...nel.dk>
Subject: Re: [patch]blk: use correct sectors limitation for discard request

On Fri, Mar 16, 2012 at 03:40:06PM +0800, Shaohua Li wrote:
> 
> Subject: blk: use correct sectors limitation for discard request
> 
> max_discard_sectors doesn't equal to max_sectors/max_hw_sectors.
> Without this,
> discard request merge might be ignored.

In other patch you are making discard request non-mergeable. So what's
the purpose of this patch.

Thanks
Vivek
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