On 05/12/2018 13:28, Goldwyn Rodrigues wrote:
[...]
> +static int copy_extent_page(struct extent_map *em, void *daddr, u64 pos)
> +{
> +struct dax_device *dax_dev;
^ space instead of tabs?
> + void *saddr;
> + sector_t start;
> + size_t len;
> +
> + if (em->block_start
From: Goldwyn Rodrigues
This is a combination of direct and buffered I/O. Similarties
with direct I/O is that it needs to allocate space before
writing. Similarities with buffered is when the data is not
page-aligned, it needs to copy parts of the previous extents. In
order to accomplish that,
