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

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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>
This commit is contained in:
Dan Magenheimer 2012-01-12 14:03:25 -05:00 committed by Konrad Rzeszutek Wilk
parent 3167760f83
commit 91c6cc9b5c
4 changed files with 17 additions and 21 deletions
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10
drivers/staging/zcache/zcache-main.c
View file

@ -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
};

10
drivers/xen/tmem.c
View file

@ -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

11
include/linux/cleancache.h
View file

@ -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

7
mm/cleancache.c
View file

@ -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);