[PATCH 04/20] mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()

[Christoph Hellwig]

On Mon, Jun 06, 2022 at 09:40:34PM +0100, Matthew Wilcox (Oracle) wrote:
> Use a folio throughout __buffer_migrate_folio(), add kernel-doc for
> buffer_migrate_folio() and buffer_migrate_folio_norefs(), move their
> declarations to buffer.h and switch all filesystems that have wired
> them up.

Looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>