summaryrefslogtreecommitdiff
path: root/include/linux/fscache-cache.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/fscache-cache.h')
-rw-r--r--include/linux/fscache-cache.h31
1 files changed, 1 insertions, 30 deletions
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 96a2b66f5968..771484993ca7 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -308,36 +308,6 @@ struct fscache_cache_ops {
void (*dissociate_pages)(struct fscache_cache *cache);
};
-/*
- * data file or index object cookie
- * - a file will only appear in one cache
- * - a request to cache a file may or may not be honoured, subject to
- * constraints such as disk space
- * - indices are created on disk just-in-time
- */
-struct fscache_cookie {
- atomic_t usage; /* number of users of this cookie */
- atomic_t n_children; /* number of children of this cookie */
- atomic_t n_active; /* number of active users of netfs ptrs */
- spinlock_t lock;
- spinlock_t stores_lock; /* lock on page store tree */
- struct hlist_head backing_objects; /* object(s) backing this file/index */
- const struct fscache_cookie_def *def; /* definition */
- struct fscache_cookie *parent; /* parent of this entry */
- void *netfs_data; /* back pointer to netfs */
- struct radix_tree_root stores; /* pages to be stored on this cookie */
-#define FSCACHE_COOKIE_PENDING_TAG 0 /* pages tag: pending write to cache */
-#define FSCACHE_COOKIE_STORING_TAG 1 /* pages tag: writing to cache */
-
- unsigned long flags;
-#define FSCACHE_COOKIE_LOOKING_UP 0 /* T if non-index cookie being looked up still */
-#define FSCACHE_COOKIE_NO_DATA_YET 1 /* T if new object with no cached data yet */
-#define FSCACHE_COOKIE_UNAVAILABLE 2 /* T if cookie is unavailable (error, etc) */
-#define FSCACHE_COOKIE_INVALIDATING 3 /* T if cookie is being invalidated */
-#define FSCACHE_COOKIE_RELINQUISHED 4 /* T if cookie has been relinquished */
-#define FSCACHE_COOKIE_RETIRED 5 /* T if cookie was retired */
-};
-
extern struct fscache_cookie fscache_fsdef_index;
/*
@@ -400,6 +370,7 @@ struct fscache_object {
#define FSCACHE_OBJECT_IS_LIVE 3 /* T if object is not withdrawn or relinquished */
#define FSCACHE_OBJECT_IS_LOOKED_UP 4 /* T if object has been looked up */
#define FSCACHE_OBJECT_IS_AVAILABLE 5 /* T if object has become active */
+#define FSCACHE_OBJECT_RETIRED 6 /* T if object was retired on relinquishment */
struct list_head cache_link; /* link in cache->object_list */
struct hlist_node cookie_link; /* link in cookie->backing_objects */