Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults

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On Thu 24-08-17 05:27:20, Christoph Hellwig wrote:
> Just curious:  how does IOMAP_F_NEEDDSYNC practically differ
> from IOMAP_F_NEW?

In a subtle but important way ;). The main difference is that if the extent
has been already allocated by previous write, but the changing transaction
is not yet committed, we will return IOMAP_F_NEEDDSYNC but not IOMAP_F_NEW.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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