Messages in this thread Patch in this message | | | From | Naoya Horiguchi <> | Subject | [PATCH 1/3] replace PAGECACHE_TAG_* definition with enumeration | Date | Mon, 2 Jun 2014 01:24:57 -0400 |
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We need number of pagecache tags in later patches, this patch prepares it.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.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
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