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Date:   Thu, 28 May 2020 22:54:41 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     ira.weiny@...el.com
Cc:     linux-ext4@...r.kernel.org,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jan Kara <jack@...e.cz>, Eric Biggers <ebiggers@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>,
        Christoph Hellwig <hch@....de>, Jeff Moyer <jmoyer@...hat.com>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 0/9] Enable ext4 support for per-file/directory DAX
 operations

On Thu, May 28, 2020 at 07:59:54AM -0700, ira.weiny@...el.com wrote:
> From: Ira Weiny <ira.weiny@...el.com>
> 
> Changes from V4:
> 	Fix up DAX mutual exclusion with other flags.
> 	Add clean up patch (remove jflags)
> 
> Changes from V3:
> 	Change EXT4_DAX_FL to bit24
> 	Cache device DAX support in the super block and use that is
> 		ext4_should_use_dax()
> 
> Changes from V2:
> 	Rework DAX exclusivity with verity and encryption based on feedback
> 	from Eric
> 
> Enable the same per file DAX support in ext4 as was done for xfs.  This series
> builds and depends on the V11 series for xfs.[1]
> 
> This passes the same xfstests test as XFS.
> 
> The only issue is that this modifies the old mount option parsing code rather
> than waiting for the new parsing code to be finalized.
> 
> This series starts with 3 fixes which include making Verity and Encrypt truly
> mutually exclusive from DAX.  I think these first 3 patches should be picked up
> for 5.8 regardless of what is decided regarding the mount parsing.
> 
> [1] https://lore.kernel.org/lkml/20200428002142.404144-1-ira.weiny@intel.com/
> 
> To: linux-ext4@...r.kernel.org
> To: Andreas Dilger <adilger.kernel@...ger.ca>
> To: "Theodore Y. Ts'o" <tytso@....edu>
> To: Jan Kara <jack@...e.cz>
> To: Eric Biggers <ebiggers@...nel.org>

Thanks, applied to the ext4-dax branch.

						- Ted

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