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| author | Bob Liu <lliubbo@gmail.com> | 2013-04-30 15:26:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 17:04:01 -0700 |
| commit | ff610a1d55da22bf95bbc6a8b193e052169b34b7 (patch) | |
| tree | 0c96ecc78d4d3818825f74871357b94134a22eac /include/linux/cleancache.h | |
| parent | 833f8662af9659508afc3cb80f09138eade378e2 (diff) | |
| download | linux-ff610a1d55da22bf95bbc6a8b193e052169b34b7.tar.gz linux-ff610a1d55da22bf95bbc6a8b193e052169b34b7.tar.bz2 linux-ff610a1d55da22bf95bbc6a8b193e052169b34b7.zip | |
mm: cleancache: clean up cleancache_enabled
cleancache_ops is used to decide whether backend is registered.
So now cleancache_enabled is always true if defined CONFIG_CLEANCACHE.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Andor Daam <andor.daam@googlemail.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Florian Schmaus <fschmaus@gmail.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Stefan Hengelein <ilendir@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/cleancache.h')
| -rw-r--r-- | include/linux/cleancache.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h index 3af5ea839558..4ce9056b31a8 100644 --- a/include/linux/cleancache.h +++ b/include/linux/cleancache.h @@ -42,9 +42,9 @@ extern void __cleancache_put_page(struct page *); extern void __cleancache_invalidate_page(struct address_space *, struct page *); extern void __cleancache_invalidate_inode(struct address_space *); extern void __cleancache_invalidate_fs(struct super_block *); -extern int cleancache_enabled; #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; |