linux-kernel - Re: [PATCH v2 1/3] ext4, dax: add ext4_bmap to ext4_dax

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Message-ID: <20180916013231.GD8652@thunk.org>
Date:   Sat, 15 Sep 2018 21:32:31 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Toshi Kani <toshi.kani@....com>
Cc:     jack@...e.cz, dan.j.williams@...el.com, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-nvdimm@...ts.01.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/3] ext4, dax: add ext4_bmap to ext4_dax_aops

On Fri, Sep 14, 2018 at 08:51:12AM -0600, Toshi Kani wrote:
> Ext4 mount path calls .bmap to the journal inode. This currently
> works for the DAX mount case because ext4_iget() always set
> 'ext4_da_aops' to any regular files.
> 
> In preparation to fix ext4_iget() to set 'ext4_dax_aops' for ext4
> DAX files, add ext4_bmap() to 'ext4_dax_aops'. .bmap works for
> DAX inodes. [1]
> 
> [1]: https://lkml.org/lkml/2018/9/12/803
> Fixes: 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops")
> Signed-off-by: Toshi Kani <toshi.kani@....com>
> Suggested-by: Jan Kara <jack@...e.cz>
> Cc: Jan Kara <jack@...e.cz>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: "Theodore Ts'o" <tytso@....edu>
> Cc: Andreas Dilger <adilger.kernel@...ger.ca>
> Cc: <stable@...r.kernel.org>

Thanks, applied.

						- Ted