On 2/19/20 7:01 AM, Matthew Wilcox wrote:
> On Wed, Feb 19, 2020 at 06:52:46AM -0800, Christoph Hellwig wrote:
>> On Wed, Feb 19, 2020 at 06:41:17AM -0800, Matthew Wilcox wrote:
>>> #define readahead_for_each(rac, page) \
>>> while ((page =
On Wed, Feb 19, 2020 at 06:41:17AM -0800, Matthew Wilcox wrote:
> #define readahead_for_each(rac, page) \
> while ((page = readahead_page(rac)))
>
> No more readahead_next() to forget to add to filesystems which don't use
> the readahead_for_each()
On Wed, Feb 19, 2020 at 06:52:46AM -0800, Christoph Hellwig wrote:
> On Wed, Feb 19, 2020 at 06:41:17AM -0800, Matthew Wilcox wrote:
> > #define readahead_for_each(rac, page) \
> > while ((page = readahead_page(rac)))
> >
> > No more readahead_next() to
On Tue, Feb 18, 2020 at 04:01:43PM -0800, John Hubbard wrote:
> How about this instead? It uses the "for" loop fully and more naturally,
> and is easier to read. And it does the same thing:
>
> static inline struct page *readahead_page(struct readahead_control *rac)
> {
> struct page *page;
On 2/18/20 5:02 PM, Matthew Wilcox wrote:
> On Tue, Feb 18, 2020 at 04:01:43PM -0800, John Hubbard wrote:
>> How about this instead? It uses the "for" loop fully and more naturally,
>> and is easier to read. And it does the same thing:
>>
>> static inline struct page *readahead_page(struct
On 2/18/20 5:02 PM, Matthew Wilcox wrote:
> On Tue, Feb 18, 2020 at 04:01:43PM -0800, John Hubbard wrote:
>> How about this instead? It uses the "for" loop fully and more naturally,
>> and is easier to read. And it does the same thing:
>>
>> static inline struct page *readahead_page(struct
On Tue, Feb 18, 2020 at 04:01:43PM -0800, John Hubbard wrote:
> How about this instead? It uses the "for" loop fully and more naturally,
> and is easier to read. And it does the same thing:
>
> static inline struct page *readahead_page(struct readahead_control *rac)
> {
> struct page *page;
On Tue, Feb 18, 2020 at 07:42:22AM -0800, Matthew Wilcox wrote:
> On Tue, Feb 18, 2020 at 05:14:59PM +1100, Dave Chinner wrote:
> > On Mon, Feb 17, 2020 at 10:45:52AM -0800, Matthew Wilcox wrote:
> > > From: "Matthew Wilcox (Oracle)"
> > >
> > > At allocation time, put the pages in the cache
On 2/17/20 10:45 AM, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> At allocation time, put the pages in the cache unless we're using
> ->readpages. Add the readahead_for_each() iterator for the benefit of
> the ->readpage fallback. This iterator supports huge pages, even though
>
On Tue, Feb 18, 2020 at 05:14:59PM +1100, Dave Chinner wrote:
> On Mon, Feb 17, 2020 at 10:45:52AM -0800, Matthew Wilcox wrote:
> > From: "Matthew Wilcox (Oracle)"
> >
> > At allocation time, put the pages in the cache unless we're using
> > ->readpages. Add the readahead_for_each() iterator
On Mon, Feb 17, 2020 at 10:45:52AM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)"
>
> At allocation time, put the pages in the cache unless we're using
> ->readpages. Add the readahead_for_each() iterator for the benefit of
> the ->readpage fallback. This iterator supports huge
From: "Matthew Wilcox (Oracle)"
At allocation time, put the pages in the cache unless we're using
->readpages. Add the readahead_for_each() iterator for the benefit of
the ->readpage fallback. This iterator supports huge pages, even though
none of the filesystems to be converted do yet.
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