linux-kernel - [PATCH 1/3] replace PAGECACHE_TAG

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]

Date:	Mon,  2 Jun 2014 01:24:57 -0400
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Konstantin Khlebnikov <koct9i@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Johannes Weiner <hannes@...xchg.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	David Miller <davem@...emloft.net>,
	Andres Freund <andres@...quadrant.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 1/3] replace PAGECACHE_TAG_* definition with enumeration

We need number of pagecache tags in later patches, this patch prepares it.

Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
---
 include/linux/fs.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git v3.15-rc7.orig/include/linux/fs.h v3.15-rc7/include/linux/fs.h
index 878031227c57..5b489df9d964 100644
--- v3.15-rc7.orig/include/linux/fs.h
+++ v3.15-rc7/include/linux/fs.h
@@ -447,9 +447,12 @@ struct block_device {
  * Radix-tree tags, for tagging dirty and writeback pages within the pagecache
  * radix trees
  */
-#define PAGECACHE_TAG_DIRTY	0
-#define PAGECACHE_TAG_WRITEBACK	1
-#define PAGECACHE_TAG_TOWRITE	2
+enum {
+	PAGECACHE_TAG_DIRTY,
+	PAGECACHE_TAG_WRITEBACK,
+	PAGECACHE_TAG_TOWRITE,
+	__NR_PAGECACHE_TAGS,
+};
 
 int mapping_tagged(struct address_space *mapping, int tag);
 
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/