Re: [PATCH v11 06/07] xfs: support CoW in fsdax mode

[Shiyang Ruan]

在 2022/5/10 13:45, Christoph Hellwig 写道:
> > +#ifdef CONFIG_FS_DAX
> > +int
> > +xfs_dax_fault(
> > +	struct vm_fault		*vmf,
> > +	enum page_entry_size	pe_size,
> > +	bool			write_fault,
> > +	pfn_t			*pfn)
> > +{
> > +	return dax_iomap_fault(vmf, pe_size, pfn, NULL,
> > +			(write_fault && !vmf->cow_page) ?
> > +				&xfs_dax_write_iomap_ops :
> > +				&xfs_read_iomap_ops);
> > +}
> > +#endif
>
> Is there any reason this is in xfs_iomap.c and not xfs_file.c?

Yes, It's better to put it in xfs_file.c since it's the only caller.  I 
didn't notice it...


--
Thanks,
Ruan.

> Otherwise the patch looks good:
>
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>