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authorChen Gang <gang.chen.5i5j@gmail.com>2016-01-07 05:06:13 +0800
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2016-01-27 09:10:29 -0500
commita39bb9a0557a3fc860c3c9d67a7326b0d2f1bd66 (patch)
tree08dd556bc95da6992a23cfde6b26fe82d97b269f /include
parentb3c6de492b9ea30a8dcc535d4dc2eaaf0bb3f116 (diff)
downloadlinux-a39bb9a0557a3fc860c3c9d67a7326b0d2f1bd66.tar.bz2
include/linux/cleancache.h: Clean up code
Let cleancache_fs_enabled() call cleancache_fs_enabled_mapping() directly. Remove redundant variable ret in cleancache_get_page(). Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/cleancache.h14
1 files changed, 6 insertions, 8 deletions
diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
index cb3e14234502..fccf7f44139d 100644
--- a/include/linux/cleancache.h
+++ b/include/linux/cleancache.h
@@ -48,14 +48,14 @@ extern void __cleancache_invalidate_fs(struct super_block *);
#ifdef CONFIG_CLEANCACHE
#define cleancache_enabled (1)
-static inline bool cleancache_fs_enabled(struct page *page)
-{
- return page->mapping->host->i_sb->cleancache_poolid >= 0;
-}
static inline bool cleancache_fs_enabled_mapping(struct address_space *mapping)
{
return mapping->host->i_sb->cleancache_poolid >= 0;
}
+static inline bool cleancache_fs_enabled(struct page *page)
+{
+ return cleancache_fs_enabled_mapping(page->mapping);
+}
#else
#define cleancache_enabled (0)
#define cleancache_fs_enabled(_page) (0)
@@ -89,11 +89,9 @@ static inline void cleancache_init_shared_fs(struct super_block *sb)
static inline int cleancache_get_page(struct page *page)
{
- int ret = -1;
-
if (cleancache_enabled && cleancache_fs_enabled(page))
- ret = __cleancache_get_page(page);
- return ret;
+ return __cleancache_get_page(page);
+ return -1;
}
static inline void cleancache_put_page(struct page *page)