lkml.org 
[lkml]   [2021]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v10 14/33] mm/filemap: Add folio_offset and folio_file_offset
Date
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>
---
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);

--
2.30.2
\
 
 \ /
  Last update: 2021-05-11 23:58    [W:0.425 / U:0.512 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site