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Date: Sun, 7 Jul 2019 12:34:15 -0400
From: "Theodore Ts'o" <tytso@mit.edu>
Subject: Re: [PATCH v15 6/7] ext4: disable map_sync for async flush
Message-ID: <20190707163415.GA19775@mit.edu>
References: <20190705140328.20190-1-pagupta@redhat.com>
 <20190705140328.20190-7-pagupta@redhat.com>
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To: Pankaj Gupta <pagupta@redhat.com>
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On Fri, Jul 05, 2019 at 07:33:27PM +0530, Pankaj Gupta wrote:
> Dont support 'MAP_SYNC' with non-DAX files and DAX files
> with asynchronous dax_device. Virtio pmem provides
> asynchronous host page cache flush mechanism. We don't
> support 'MAP_SYNC' with virtio pmem and ext4.
> 
> Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
> Reviewed-by: Jan Kara <jack@suse.cz>

Acked-by: Theodore Ts'o <tytso@mit.edu>

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