From: Jan Kara <jack@suse.cz>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
Jan Kara <jack@suse.cz>, Dave Chinner <david@fromorbit.com>,
Josef Bacik <josef@toxicpanda.com>,
Anna Schumaker <anna.schumaker@netapp.com>,
linux-xfs@vger.kernel.org, Chris Mason <clm@fb.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
David Sterba <dsterba@suse.com>, Jaegeuk Kim <jaegeuk@kernel.org>,
linux-f2fs-devel@lists.sourceforge.net, ira.weiny@intel.com,
Trond Myklebust <trond.myklebust@hammerspace.com>,
linux-btrfs@vger.kernel.org
Subject: Re: [f2fs-dev] [PATCH 2/2] fs: Move swap_[de]activate to file_operations
Date: Tue, 12 Nov 2019 14:33:48 +0100 [thread overview]
Message-ID: <20191112133348.GJ1241@quack2.suse.cz> (raw)
In-Reply-To: <20191111164320.80f814161469055b14f27045@linux-foundation.org>
On Mon 11-11-19 16:43:20, Andrew Morton wrote:
> On Mon, 11 Nov 2019 16:34:52 -0800 ira.weiny@intel.com wrote:
>
> > From: Ira Weiny <ira.weiny@intel.com>
> >
> > swap_activate() and swap_deactivate() have nothing to do with
> > address spaces. We want to eventually make the address space operations
> > dynamic to switch inode flags on the fly.
>
> What does this mean?
See my reply to Christoph [1]. Ira wants to make switching inodes between
DAX and non-DAX mode work which means switching also
address_space_operations pointer in the mapping.
Honza
[1] lore.kernel.org/r/20191112133055.GI1241@quack2.suse.cz
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
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next prev parent reply other threads:[~2019-11-12 13:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-12 0:34 [f2fs-dev] [PATCH 0/2] Move swap functions out of address space operations ira.weiny
2019-11-12 0:34 ` [f2fs-dev] [PATCH 1/2] fs: Clean up mapping variable ira.weiny
2019-11-12 1:20 ` Darrick J. Wong
2019-11-12 0:34 ` [f2fs-dev] [PATCH 2/2] fs: Move swap_[de]activate to file_operations ira.weiny
2019-11-12 0:43 ` Andrew Morton
2019-11-12 12:00 ` Nikolay Borisov
2019-11-12 13:33 ` Jan Kara [this message]
2019-11-12 17:05 ` Weiny, Ira
2019-11-12 1:20 ` Darrick J. Wong
2019-11-12 23:52 ` Ira Weiny
2019-11-12 6:55 ` Christoph Hellwig
2019-11-12 13:30 ` Jan Kara
2019-11-12 17:09 ` Weiny, Ira
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