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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>
This commit is contained in:
Chen Gang 2016-01-07 05:06:13 +08:00 committed by Konrad Rzeszutek Wilk
parent b3c6de492b
commit a39bb9a055
1 changed files with 6 additions and 8 deletions
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14
include/linux/cleancache.h
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@ -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)