On Thu, Feb 13, 2020 at 09:36:25PM -0800, John Hubbard wrote:
> > +static inline struct page *readahead_page(struct readahead_control *rac)
> > +{
> > + struct page *page;
> > +
> > + if (!rac->nr_pages)
> > + return NULL;
> > +
> > + page = xa_load(>mapping->i_pages, rac->start);
On 2/10/20 5:03 PM, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> This replaces ->readpages with a saner interface:
> - Return void instead of an ignored error code.
> - Pages are already in the page cache when ->readahead is called.
> - Implementation looks up the pages in the
On Mon, Feb 10, 2020 at 05:03:39PM -0800, Matthew Wilcox wrote:
> +struct readahead_control {
> + struct file *file;
> + struct address_space *mapping;
> +/* private: use the readahead_* accessors instead */
> + pgoff_t start;
> + unsigned int nr_pages;
> + unsigned int
On Tue, Feb 11, 2020 at 04:54:13AM -0800, Matthew Wilcox wrote:
> On Tue, Feb 11, 2020 at 03:52:30PM +1100, Dave Chinner wrote:
> > > +struct readahead_control {
> > > + struct file *file;
> > > + struct address_space *mapping;
> > > +/* private: use the readahead_* accessors instead */
> > > +
On Tue, Feb 11, 2020 at 03:52:30PM +1100, Dave Chinner wrote:
> > +struct readahead_control {
> > + struct file *file;
> > + struct address_space *mapping;
> > +/* private: use the readahead_* accessors instead */
> > + pgoff_t start;
> > + unsigned int nr_pages;
> > + unsigned int
On Mon, Feb 10, 2020 at 05:03:39PM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> This replaces ->readpages with a saner interface:
> - Return void instead of an ignored error code.
> - Pages are already in the page cache when ->readahead is called.
> - Implementation
