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Message-ID: <20200529025441.GI228632@mit.edu> 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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