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

[Hannes Reinecke]

On 2/13/24 10:37, Pankaj Raghav (Samsung) wrote:
> From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
>   include/linux/pagemap.h | 92 ++++++++++++++++++++++++++++++++---------
>   1 file changed, 73 insertions(+), 19 deletions(-)
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes