Re: [PATCH v14 68/74] dax: Convert dax_lock_page to XArray

From: Ross Zwisler
Date: Fri Jun 29 2018 - 13:31:05 EST


On Sat, Jun 16, 2018 at 07:00:46PM -0700, Matthew Wilcox wrote:
> Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> ---
<>
> +static void *dax_make_page_entry(struct page *page, void *entry)
> +{
> + pfn_t pfn = page_to_pfn_t(page);
> + return dax_make_entry(pfn, dax_is_pmd_entry(entry));
> +}

This function is defined and never used, so we get:

fs/dax.c:106:14: warning: âdax_make_page_entryâ defined but not used [-Wunused-function]
static void *dax_make_page_entry(struct page *page, void *entry)
^~~~~~~~~~~~~~~~~~~