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Subject[PATCH v11 15/33] mm/filemap: Add folio_offset() and folio_file_offset()
Date
These are just wrappers around their page counterpart.  No change to
generated code.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
---
include/linux/pagemap.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index c5c7e061c77c..42a68d15db03 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -561,6 +561,16 @@ static inline loff_t page_file_offset(struct page *page)
return ((loff_t)page_index(page)) << PAGE_SHIFT;
}

+static inline loff_t folio_offset(struct folio *folio)
+{
+ return page_offset(&folio->page);
+}
+
+static inline loff_t folio_file_offset(struct folio *folio)
+{
+ return page_file_offset(&folio->page);
+}
+
extern pgoff_t linear_hugepage_index(struct vm_area_struct *vma,
unsigned long address);

--
2.30.2
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