linux-kernel - Re: [PATCH] libata-eh: Use switch() instead of sparse array for protocol strings

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Message-ID: <20170109173026.GD12827@mtj.duckdns.org>
Date:   Mon, 9 Jan 2017 12:30:26 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] libata-eh: Use switch() instead of sparse array for
 protocol strings

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