mm: cleancache: s/flush/invalidate/

Per akpm suggestions alter the use of the term flush to be
invalidate. The next patch will do this across all MM.

This change is completely cosmetic.

[v9: akpm@linux-foundation.org: change "flush" to "invalidate", part 3]

Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Jan Beulich <JBeulich@novell.com>
Reviewed-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Rik Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
[v10: Fixed  fs: move code out of buffer.c conflict change]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 14 insertions, 9 deletions

diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
index 04ffb2e6c9d0..66fb63b243a8 100644
--- a/include/linux/cleancache.h
+++ b/include/linux/cleancache.h
@@ -28,6 +28,11 @@ struct cleancache_ops {
                         pgoff_t, struct page *);
         void (*put_page)(int, struct cleancache_filekey,
                         pgoff_t, struct page *);
+        /*
+         * NOTE: per akpm, flush_page, flush_inode and flush_fs will be
+         * renamed to invalidate_* in a later commit in which all
+         * dependencies (i.e Xen, zcache) will be renamed simultaneously
+         */
         void (*flush_page)(int, struct cleancache_filekey, pgoff_t);
         void (*flush_inode)(int, struct cleancache_filekey);
         void (*flush_fs)(int);
@@ -39,9 +44,9 @@ extern void __cleancache_init_fs(struct super_block *);
 extern void __cleancache_init_shared_fs(char *, struct super_block *);
 extern int  __cleancache_get_page(struct page *);
 extern void __cleancache_put_page(struct page *);
-extern void __cleancache_flush_page(struct address_space *, struct page *);
-extern void __cleancache_flush_inode(struct address_space *);
-extern void __cleancache_flush_fs(struct super_block *);
+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
@@ -99,24 +104,24 @@ static inline void cleancache_put_page(struct page *page)
                 __cleancache_put_page(page);
 }
 
-static inline void cleancache_flush_page(struct address_space *mapping,
+static inline void cleancache_invalidate_page(struct address_space *mapping,
                                         struct page *page)
 {
         /* careful... page->mapping is NULL sometimes when this is called */
         if (cleancache_enabled && cleancache_fs_enabled_mapping(mapping))
-                __cleancache_flush_page(mapping, page);
+                __cleancache_invalidate_page(mapping, page);
 }
 
-static inline void cleancache_flush_inode(struct address_space *mapping)
+static inline void cleancache_invalidate_inode(struct address_space *mapping)
 {
         if (cleancache_enabled && cleancache_fs_enabled_mapping(mapping))
-                __cleancache_flush_inode(mapping);
+                __cleancache_invalidate_inode(mapping);
 }
 
-static inline void cleancache_flush_fs(struct super_block *sb)
+static inline void cleancache_invalidate_fs(struct super_block *sb)
 {
         if (cleancache_enabled)
-                __cleancache_flush_fs(sb);
+                __cleancache_invalidate_fs(sb);
 }
 
 #endif /* _LINUX_CLEANCACHE_H */