[dm-devel] [PATCH v15 6/7] ext4: disable map_sync for async flush
Theodore Ts'o
tytso at mit.edu
Sun Jul 7 16:34:15 UTC 2019
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 at redhat.com>
> Reviewed-by: Jan Kara <jack at suse.cz>
Acked-by: Theodore Ts'o <tytso at mit.edu>
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