[PATCH 09/26] mm: Make readahead store folio count in readahead_control

[Paulo Alcantara]

David Howells <dhowells at redhat.com> writes:

> Make readahead store folio count in readahead_control so that the
> filesystem can know in advance how many folios it needs to keep track of.
>
> Signed-off-by: David Howells <dhowells at redhat.com>
> cc: Paulo Alcantara <pc at manguebit.org>
> cc: Matthew Wilcox <willy at infradead.org>
> cc: netfs at lists.linux.dev
> cc: linux-mm at kvack.org
> cc: linux-fsdevel at vger.kernel.org
> ---
>  include/linux/pagemap.h | 1 +
>  mm/readahead.c          | 4 ++++
>  2 files changed, 5 insertions(+)

Reviewed-by:: Paulo Alcantara (Red Hat) <pc at manguebit.org>