linux-ext4 - Re: [PATCH 1/2] dax: Pass detailed error code from dax_iomap

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Message-ID: <20180107215124.GE17380@thunk.org>
Date:   Sun, 7 Jan 2018 16:51:24 -0500
From:   Theodore Ts'o <tytso@....edu>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-nvdimm@...ts.01.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH 1/2] dax: Pass detailed error code from dax_iomap_fault()

On Wed, Jan 03, 2018 at 11:08:43AM +0100, Jan Kara wrote:
> Ext4 needs to pass through error from its iomap handler to the page
> fault handler so that it can properly detect ENOSPC and force
> transaction commit and retry the fault (and block allocation). Add
> argument to dax_iomap_fault() for passing such error.
> 
> Reviewed-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
> Signed-off-by: Jan Kara <jack@...e.cz>

Applied, thanks.

						- Ted