Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults
From: Christoph Hellwig <hch@infradead.org>
Date: 2017-08-24 13:38:11
Also in:
linux-ext4, linux-fsdevel, nvdimm
On Thu, Aug 24, 2017 at 02:34:51PM +0200, Jan Kara wrote:
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.
Ok. How about a IOMAP_F_DIRTY flag and a better explanation?