On Tue 27-09-16 10:01:18, Christoph Hellwig wrote:
> On Tue, Sep 27, 2016 at 06:43:33PM +0200, Jan Kara wrote:
> > So far we did not set BH_New for newly allocated blocks for DAX inodes
> > in __xfs_get_blocks() because we wanted to avoid zeroing done in generic
> > DAX code which was racy. Now the zeroing is gone so we can remove this
> > workaround and return BH_New for newly allocated blocks. DAX will use this
> > information to properly update mappings of the file.
>
> __xfs_get_blocks isn't used by the DAX code any more.
> xfs_file_iomap_begin should already be doing the right thing for now.
OK, the changelog is stale but I actually took care to integrate this with
your iomap patches and for the new invalidation code in iomap_dax_actor()
to work we need this additional information...
Honza
--
Jan Kara <j...@suse.com>
SUSE Labs, CR
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