linux-kernel - [PATCH v7 13/28] mm/filemap: Add folio_offset and folio_file

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210409185105.188284-14-willy@infradead.org>
Date:   Fri,  9 Apr 2021 19:50:50 +0100
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     linux-mm@...ck.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
        Christoph Hellwig <hch@....de>,
        Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v7 13/28] mm/filemap: Add folio_offset and folio_file_offset

These are just wrappers around their page counterpart.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Reviewed-by: Christoph Hellwig <hch@....de>
Acked-by: Jeff Layton <jlayton@...nel.org>
---
 include/linux/pagemap.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 5130503519b0..c15e72ee9ea8 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -634,6 +634,16 @@ 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