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mm: cleancache: s/flush/invalidate/

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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: [email protected]: change "flush" to "invalidate", part 3]

Signed-off-by: Dan Magenheimer <[email protected]>
Cc: Kamezawa Hiroyuki <[email protected]>
Cc: Jan Beulich <[email protected]>
Reviewed-by: Seth Jennings <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Chris Mason <[email protected]>
Cc: Rik Riel <[email protected]>
Cc: Andrew Morton <[email protected]>
[v10: Fixed  fs: move code out of buffer.c conflict change]
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
This commit is contained in:
Dan Magenheimer 2011-09-21 11:56:28 -04:00 • committed by Konrad Rzeszutek Wilk
commit 3167760f83
7 changed files with 51 additions and 44 deletions
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19
mm/cleancache.c
View file

@ -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