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authorDan Magenheimer <dan.magenheimer@oracle.com>2011-09-21 11:56:28 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-01-23 16:06:24 -0500
commit3167760f83899ccda312b9ad9306ec9e5dda06d4 (patch)
treea040add1a9b267cb0fa92847c88526c1329a258b /mm
parent972b2c719990f91eb3b2310d44ef8a2d38955a14 (diff)
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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>
Diffstat (limited to 'mm')
-rw-r--r--mm/cleancache.c19
-rw-r--r--mm/filemap.c2
-rw-r--r--mm/truncate.c10
3 files changed, 16 insertions, 15 deletions
diff --git a/mm/cleancache.c b/mm/cleancache.c
index bcaae4c2a770..237c6e0feea0 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -19,7 +19,7 @@
/*
* This global enablement flag may be read thousands of times per second
- * by cleancache_get/put/flush even on systems where cleancache_ops
+ * by cleancache_get/put/invalidate even on systems where cleancache_ops
* is not claimed (e.g. cleancache is config'ed on but remains
* disabled), so is preferred to the slower alternative: a function
* call that checks a non-global.
@@ -148,10 +148,11 @@ void __cleancache_put_page(struct page *page)
EXPORT_SYMBOL(__cleancache_put_page);
/*
- * Flush any data from cleancache associated with the poolid and the
+ * Invalidate any data from cleancache associated with the poolid and the
* page's inode and page index so that a subsequent "get" will fail.
*/
-void __cleancache_flush_page(struct address_space *mapping, struct page *page)
+void __cleancache_invalidate_page(struct address_space *mapping,
+ struct page *page)
{
/* careful... page->mapping is NULL sometimes when this is called */
int pool_id = mapping->host->i_sb->cleancache_poolid;
@@ -165,14 +166,14 @@ void __cleancache_flush_page(struct address_space *mapping, struct page *page)
}
}
}
-EXPORT_SYMBOL(__cleancache_flush_page);
+EXPORT_SYMBOL(__cleancache_invalidate_page);
/*
- * Flush all data from cleancache associated with the poolid and the
+ * Invalidate all data from cleancache associated with the poolid and the
* mappings's inode so that all subsequent gets to this poolid/inode
* will fail.
*/
-void __cleancache_flush_inode(struct address_space *mapping)
+void __cleancache_invalidate_inode(struct address_space *mapping)
{
int pool_id = mapping->host->i_sb->cleancache_poolid;
struct cleancache_filekey key = { .u.key = { 0 } };
@@ -180,14 +181,14 @@ void __cleancache_flush_inode(struct address_space *mapping)
if (pool_id >= 0 && cleancache_get_key(mapping->host, &key) >= 0)
(*cleancache_ops.flush_inode)(pool_id, key);
}
-EXPORT_SYMBOL(__cleancache_flush_inode);
+EXPORT_SYMBOL(__cleancache_invalidate_inode);
/*
* Called by any cleancache-enabled filesystem at time of unmount;
* note that pool_id is surrendered and may be reutrned by a subsequent
* cleancache_init_fs or cleancache_init_shared_fs
*/
-void __cleancache_flush_fs(struct super_block *sb)
+void __cleancache_invalidate_fs(struct super_block *sb)
{
if (sb->cleancache_poolid >= 0) {
int old_poolid = sb->cleancache_poolid;
@@ -195,7 +196,7 @@ void __cleancache_flush_fs(struct super_block *sb)
(*cleancache_ops.flush_fs)(old_poolid);
}
}
-EXPORT_SYMBOL(__cleancache_flush_fs);
+EXPORT_SYMBOL(__cleancache_invalidate_fs);
#ifdef CONFIG_SYSFS
diff --git a/mm/filemap.c b/mm/filemap.c
index a0701e6eec10..0aa3faa48219 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -123,7 +123,7 @@ void __delete_from_page_cache(struct page *page)
if (PageUptodate(page) && PageMappedToDisk(page))
cleancache_put_page(page);
else
- cleancache_flush_page(mapping, page);
+ cleancache_invalidate_page(mapping, page);
radix_tree_delete(&mapping->page_tree, page->index);
page->mapping = NULL;
diff --git a/mm/truncate.c b/mm/truncate.c
index 632b15e29f74..b4d575c9a0ee 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -52,7 +52,7 @@ void do_invalidatepage(struct page *page, unsigned long offset)
static inline void truncate_partial_page(struct page *page, unsigned partial)
{
zero_user_segment(page, partial, PAGE_CACHE_SIZE);
- cleancache_flush_page(page->mapping, page);
+ cleancache_invalidate_page(page->mapping, page);
if (page_has_private(page))
do_invalidatepage(page, partial);
}
@@ -213,7 +213,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
pgoff_t end;
int i;
- cleancache_flush_inode(mapping);
+ cleancache_invalidate_inode(mapping);
if (mapping->nrpages == 0)
return;
@@ -292,7 +292,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
mem_cgroup_uncharge_end();
index++;
}
- cleancache_flush_inode(mapping);
+ cleancache_invalidate_inode(mapping);
}
EXPORT_SYMBOL(truncate_inode_pages_range);
@@ -444,7 +444,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
int ret2 = 0;
int did_range_unmap = 0;
- cleancache_flush_inode(mapping);
+ cleancache_invalidate_inode(mapping);
pagevec_init(&pvec, 0);
index = start;
while (index <= end && pagevec_lookup(&pvec, mapping, index,
@@ -500,7 +500,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
cond_resched();
index++;
}
- cleancache_flush_inode(mapping);
+ cleancache_invalidate_inode(mapping);
return ret;
}
EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);