Commit 91c6cc9b authored by Dan Magenheimer's avatar Dan Magenheimer Committed by Konrad Rzeszutek Wilk
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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: default avatarDan Magenheimer <dan.magenheimer@oracle.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Jan Beulich <JBeulich@novell.com>
Acked-by: default avatarSeth 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: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 3167760f

drivers/staging/zcache/zcache-main.c

+5 −5
Original line number Diff line number Diff line
@@ -1758,9 +1758,9 @@ static int zcache_cleancache_init_shared_fs(char *uuid, size_t pagesize) 
static struct cleancache_ops zcache_cleancache_ops = {

	.put_page = zcache_cleancache_put_page,

	.get_page = zcache_cleancache_get_page,

	.flush_page = zcache_cleancache_flush_page,

	.flush_inode = zcache_cleancache_flush_inode,

	.flush_fs = zcache_cleancache_flush_fs,

	.invalidate_page = zcache_cleancache_flush_page,

	.invalidate_inode = zcache_cleancache_flush_inode,

	.invalidate_fs = zcache_cleancache_flush_fs,

	.init_shared_fs = zcache_cleancache_init_shared_fs,

	.init_fs = zcache_cleancache_init_fs

};
@@ -1868,8 +1868,8 @@ static void zcache_frontswap_init(unsigned ignored) 
static struct frontswap_ops zcache_frontswap_ops = {

	.put_page = zcache_frontswap_put_page,

	.get_page = zcache_frontswap_get_page,

	.flush_page = zcache_frontswap_flush_page,

	.flush_area = zcache_frontswap_flush_area,

	.invalidate_page = zcache_frontswap_flush_page,

	.invalidate_area = zcache_frontswap_flush_area,

	.init = zcache_frontswap_init

};

drivers/xen/tmem.c

+5 −5
Original line number Diff line number Diff line
@@ -242,9 +242,9 @@ __setup("nocleancache", no_cleancache); 
static struct cleancache_ops tmem_cleancache_ops = {

	.put_page = tmem_cleancache_put_page,

	.get_page = tmem_cleancache_get_page,

	.flush_page = tmem_cleancache_flush_page,

	.flush_inode = tmem_cleancache_flush_inode,

	.flush_fs = tmem_cleancache_flush_fs,

	.invalidate_page = tmem_cleancache_flush_page,

	.invalidate_inode = tmem_cleancache_flush_inode,

	.invalidate_fs = tmem_cleancache_flush_fs,

	.init_shared_fs = tmem_cleancache_init_shared_fs,

	.init_fs = tmem_cleancache_init_fs

};
@@ -369,8 +369,8 @@ __setup("nofrontswap", no_frontswap); 
static struct frontswap_ops tmem_frontswap_ops = {

	.put_page = tmem_frontswap_put_page,

	.get_page = tmem_frontswap_get_page,

	.flush_page = tmem_frontswap_flush_page,

	.flush_area = tmem_frontswap_flush_area,

	.invalidate_page = tmem_frontswap_flush_page,

	.invalidate_area = tmem_frontswap_flush_area,

	.init = tmem_frontswap_init

};

#endif

include/linux/cleancache.h

+3 −8
Original line number Diff line number Diff line
@@ -28,14 +28,9 @@ 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);

	void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);

	void (*invalidate_inode)(int, struct cleancache_filekey);

	void (*invalidate_fs)(int);

};



extern struct cleancache_ops

mm/cleancache.c

+4 −3
Original line number Diff line number Diff line
@@ -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);

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