mm: zcache/tmem/cleancache: s/flush/invalidate/

Complete the renaming from "flush" to "invalidate" across
both tmem frontends (cleancache and frontswap) and both tmem backends
(Xen and zcache), as required by akpm.

This change is completely cosmetic.

[v10: no change]
[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>
Acked-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>
[v11: Remove the frontswap part]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/mm/cleancache.c b/mm/cleancache.c
index 237c6e0feea0..b9c198bc6980 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -161,7 +161,8 @@ void __cleancache_invalidate_page(struct address_space *mapping,
         if (pool_id >= 0) {
                 VM_BUG_ON(!PageLocked(page));
                 if (cleancache_get_key(mapping->host, &key) >= 0) {
-                        (*cleancache_ops.flush_page)(pool_id, key, page->index);
+                        (*cleancache_ops.invalidate_page)(pool_id,
+                                                          key, page->index);
                         cleancache_flushes++;
                 }
         }
@@ -179,7 +180,7 @@ void __cleancache_invalidate_inode(struct address_space *mapping)
         struct cleancache_filekey key = { .u.key = { 0 } };
 
         if (pool_id >= 0 && cleancache_get_key(mapping->host, &key) >= 0)
-                (*cleancache_ops.flush_inode)(pool_id, key);
+                (*cleancache_ops.invalidate_inode)(pool_id, key);
 }
 EXPORT_SYMBOL(__cleancache_invalidate_inode);
 
@@ -193,7 +194,7 @@ void __cleancache_invalidate_fs(struct super_block *sb)
         if (sb->cleancache_poolid >= 0) {
                 int old_poolid = sb->cleancache_poolid;
                 sb->cleancache_poolid = -1;
-                (*cleancache_ops.flush_fs)(old_poolid);
+                (*cleancache_ops.invalidate_fs)(old_poolid);
         }
 }
 EXPORT_SYMBOL(__cleancache_invalidate_fs);