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-rw-r--r--include/linux/fscache-cache.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 66624407ba84..f78add6e7823 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -33,6 +33,7 @@ enum fscache_cache_state {
* Cache cookie.
*/
struct fscache_cache {
+ const struct fscache_cache_ops *ops;
struct list_head cache_link; /* Link in cache list */
void *cache_priv; /* Private cache data (or NULL) */
refcount_t ref;
@@ -44,6 +45,14 @@ struct fscache_cache {
char *name;
};
+/*
+ * cache operations
+ */
+struct fscache_cache_ops {
+ /* name of cache provider */
+ const char *name;
+};
+
extern struct workqueue_struct *fscache_wq;
/*
@@ -52,6 +61,10 @@ extern struct workqueue_struct *fscache_wq;
extern struct rw_semaphore fscache_addremove_sem;
extern struct fscache_cache *fscache_acquire_cache(const char *name);
extern void fscache_relinquish_cache(struct fscache_cache *cache);
+extern int fscache_add_cache(struct fscache_cache *cache,
+ const struct fscache_cache_ops *ops,
+ void *cache_priv);
+extern void fscache_withdraw_cache(struct fscache_cache *cache);
extern void fscache_end_volume_access(struct fscache_volume *volume,
struct fscache_cookie *cookie,