linux-kernel - Re: [PATCH v2 5/5] dax: handle media errors in dax_do

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Date:	Tue, 29 Mar 2016 23:56:46 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Vishal Verma <vishal@...nel.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Vishal Verma <vishal.l.verma@...el.com>,
	linux-block@...r.kernel.org, Jan Kara <jack@...e.cz>,
	linux-nvdimm@...1.01.org, linux-kernel@...r.kernel.org,
	xfs@....sgi.com, Jens Axboe <axboe@...com>, linux-mm@...ck.org,
	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	linux-fsdevel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ext4@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v2 5/5] dax: handle media errors in dax_do_io

On Wed, Mar 30, 2016 at 12:54:37AM -0600, Vishal Verma wrote:
> On Tue, 2016-03-29 at 23:34 -0700, Christoph Hellwig wrote:
> > Hi Vishal,
> > 
> > still NAK to calling the direct I/O code directly from the dax code.
> 
> Hm, I thought this was what you meant -- do the fallback/retry attempts
> at the callers of dax_do_io instead of the new dax wrapper function..
> Did I misunderstand you?

Sorry, it is.  I misread fs/block_dev.c as fs/dax.c before my first
coffee this morning.  I'll properly review the series in the afternoon..