Re: [PATCH v10 14/33] mm/filemap: Add folio_offset and folio_file_offset
From: Vlastimil Babka <hidden>
Date: 2021-05-14 17:08:24
Also in:
linux-fsdevel, lkml
On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
These are just wrappers around their page counterpart. 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: Vlastimil Babka <redacted>
quoted hunk ↗ jump to hunk
--- include/linux/pagemap.h | 10 ++++++++++ 1 file changed, 10 insertions(+)diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 3b82252d12fc..448a2dfb5ff1 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h@@ -558,6 +558,16 @@ 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);