Re: [RFC v2 01/14] fs: Allow fine-grained control of folio sizes

Hannes Reinecke
2024-02-13T12:03:51Z

On 2/13/24 10:37, Pankaj Raghav (Samsung) wrote:
> From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
>
> Some filesystems want to be able to limit the maximum size of folios,
> and some want to be able to ensure that folios are at least a certain
> size. Add mapping_set_folio_orders() to allow this level of control.
> The max folio order parameter is ignored and it is always set to
> MAX_PAGECACHE_ORDER.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
> include/linux/pagemap.h | 92 ++++++++++++++++++++++++++++++++---------
> 1 file changed, 73 insertions(+), 19 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes