filemap: Return only folios from find_get_entries()
The callers have all been converted to work on folios, so convert
find_get_entries() to return a batch of folios instead of pages.
We also now return multiple large folios in a single call.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/mm/internal.h b/mm/internal.h
index e5f3ff3..07124e9 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -12,6 +12,8 @@
#include <linux/pagemap.h>
#include <linux/tracepoint-defs.h>
+struct folio_batch;
+
/*
* The set of flags that only affect watermark checking and reclaim
* behaviour. This is used by the MM to obey the caller constraints
@@ -92,6 +94,8 @@ static inline void force_page_cache_readahead(struct address_space *mapping,
unsigned find_lock_entries(struct address_space *mapping, pgoff_t start,
pgoff_t end, struct pagevec *pvec, pgoff_t *indices);
+unsigned find_get_entries(struct address_space *mapping, pgoff_t start,
+ pgoff_t end, struct folio_batch *fbatch, pgoff_t *indices);
void filemap_free_folio(struct address_space *mapping, struct folio *folio);
int truncate_inode_folio(struct address_space *mapping, struct folio *folio);