On 06/01/2014 10:24 PM, Naoya Horiguchi wrote:
> -#define PAGECACHE_TAG_DIRTY 0
> -#define PAGECACHE_TAG_WRITEBACK 1
> -#define PAGECACHE_TAG_TOWRITE 2
> +enum {
> + PAGECACHE_TAG_DIRTY,
> + PAGECACHE_TAG_WRITEBACK,
> + PAGECACHE_TAG_TOWRITE,
> + __NR_PAGECACHE_TAGS,
> +};
Doesn't this end up exposing kernel-internal values out to a userspace
interface? Wouldn't that lock these values in to the ABI?
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