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cleancache: zap uuid arg of cleancache_init_shared_fs

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Use super_block->s_uuid instead.  Every shared filesystem using cleancache
must now initialize super_block->s_uuid before calling
cleancache_init_shared_fs.  The only one on the tree, ocfs2, already meets
this requirement.

Signed-off-by: Vladimir Davydov <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Boris Ostrovsky <[email protected]>
Cc: David Vrabel <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Stefan Hengelein <[email protected]>
Cc: Florian Schmaus <[email protected]>
Cc: Andor Daam <[email protected]>
Cc: Dan Magenheimer <[email protected]>
Cc: Bob Liu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Vladimir Davydov 2015-04-14 15:46:42 -07:00 • committed by Linus Torvalds
commit 9de1626290
3 changed files with 7 additions and 7 deletions
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6
mm/cleancache.c
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@ -155,7 +155,7 @@ void __cleancache_init_fs(struct super_block *sb)
EXPORT_SYMBOL(__cleancache_init_fs);
/* Called by a cleancache-enabled clustered filesystem at time of mount */
void __cleancache_init_shared_fs(char *uuid, struct super_block *sb)
void __cleancache_init_shared_fs(struct super_block *sb)
{
int i;
@ -163,10 +163,10 @@ void __cleancache_init_shared_fs(char *uuid, struct super_block *sb)
for (i = 0; i < MAX_INITIALIZABLE_FS; i++) {
if (shared_fs_poolid_map[i] == FS_UNKNOWN) {
sb->cleancache_poolid = i + FAKE_SHARED_FS_POOLID_OFFSET;
uuids[i] = uuid;
uuids[i] = sb->s_uuid;
if (cleancache_ops)
shared_fs_poolid_map[i] = cleancache_ops->init_shared_fs
(uuid, PAGE_SIZE);
(sb->s_uuid, PAGE_SIZE);
else
shared_fs_poolid_map[i] = FS_NO_BACKEND;
break;