From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH] libata-eh: Use switch() instead of sparse array for
 protocol strings
Date: Mon, 9 Jan 2017 12:30:26 -0500
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To: Christoph Hellwig <hch@infradead.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>, "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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On Mon, Jan 09, 2017 at 09:22:07AM -0800, Christoph Hellwig wrote:
> Prototype here, only tested with a simple mkfs.xfs and some I/O on
> AHCI so far:
> 
> http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/libata-kill-ata_scsi_rbuf

Yeah, the only thing which needs completion from atomic context is
atapi commands.  If that can be done on stack, it's all good.

Thanks.

-- 
tejun