Commit b3c6de49 authored by Julia Lawall's avatar Julia Lawall Committed by Konrad Rzeszutek Wilk
Browse files

cleancache: constify cleancache_ops structure



The cleancache_ops structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: default avatarJulia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent afd2ff9b
......@@ -242,7 +242,7 @@ static int tmem_cleancache_init_shared_fs(char *uuid, size_t pagesize)
return xen_tmem_new_pool(shared_uuid, TMEM_POOL_SHARED, pagesize);
}
static struct cleancache_ops tmem_cleancache_ops = {
static const struct cleancache_ops tmem_cleancache_ops = {
.put_page = tmem_cleancache_put_page,
.get_page = tmem_cleancache_get_page,
.invalidate_page = tmem_cleancache_flush_page,
......
......@@ -37,7 +37,7 @@ struct cleancache_ops {
void (*invalidate_fs)(int);
};
extern int cleancache_register_ops(struct cleancache_ops *ops);
extern int cleancache_register_ops(const struct cleancache_ops *ops);
extern void __cleancache_init_fs(struct super_block *);
extern void __cleancache_init_shared_fs(struct super_block *);
extern int __cleancache_get_page(struct page *);
......
......@@ -22,7 +22,7 @@
* cleancache_ops is set by cleancache_register_ops to contain the pointers
* to the cleancache "backend" implementation functions.
*/
static struct cleancache_ops *cleancache_ops __read_mostly;
static const struct cleancache_ops *cleancache_ops __read_mostly;
/*
* Counters available via /sys/kernel/debug/cleancache (if debugfs is
......@@ -49,7 +49,7 @@ static void cleancache_register_ops_sb(struct super_block *sb, void *unused)
/*
* Register operations for cleancache. Returns 0 on success.
*/
int cleancache_register_ops(struct cleancache_ops *ops)
int cleancache_register_ops(const struct cleancache_ops *ops)
{
if (cmpxchg(&cleancache_ops, NULL, ops))
return -EBUSY;
......
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