On Tue, Nov 01, 2016 at 10:06:18PM +0100, Jan Kara wrote:
> Convert DAX faults to use iomap infrastructure. We would not have to start
> transaction in ext4_dax_fault() anymore since ext4_iomap_begin takes
> care of that but so far we do that to avoid lock inversion of
> transaction start with DAX entry lock which gets acquired in
> dax_iomap_fault() before calling ->iomap_begin handler.

So far I've tried to avoid the need to avoid having multiple iomap_ops
for the same fs.  Would you be fine with a new IOMAP_FAULT flag for write
faults?
_______________________________________________
Linux-nvdimm mailing list
[email protected]
https://lists.01.org/mailman/listinfo/linux-nvdimm

Reply via email to