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FS-Cache: Uninline fscache_object_init()

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Uninline fscache_object_init() so as not to expose some of the FS-Cache
internals to the cache backend.

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-By: Milosz Tanski <milosz@adfin.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
This commit is contained in:
David Howells 2013-05-10 19:50:25 +01:00
parent 0c59a95d90
commit 610be24ee4
2 changed files with 40 additions and 38 deletions
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40
fs/fscache/object.c
View file

@ -363,7 +363,7 @@ static void fscache_object_state_machine(struct fscache_object *object)
/*
* execute an object
*/
void fscache_object_work_func(struct work_struct *work)
static void fscache_object_work_func(struct work_struct *work)
{
struct fscache_object *object =
container_of(work, struct fscache_object, work);
@ -379,7 +379,43 @@ void fscache_object_work_func(struct work_struct *work)
clear_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events);
fscache_put_object(object);
}
EXPORT_SYMBOL(fscache_object_work_func);
/**
* fscache_object_init - Initialise a cache object description
* @object: Object description
* @cookie: Cookie object will be attached to
* @cache: Cache in which backing object will be found
*
* Initialise a cache object description to its basic values.
*
* See Documentation/filesystems/caching/backend-api.txt for a complete
* description.
*/
void fscache_object_init(struct fscache_object *object,
struct fscache_cookie *cookie,
struct fscache_cache *cache)
{
atomic_inc(&cache->object_count);
object->state = FSCACHE_OBJECT_INIT;
spin_lock_init(&object->lock);
INIT_LIST_HEAD(&object->cache_link);
INIT_HLIST_NODE(&object->cookie_link);
INIT_WORK(&object->work, fscache_object_work_func);
INIT_LIST_HEAD(&object->dependents);
INIT_LIST_HEAD(&object->dep_link);
INIT_LIST_HEAD(&object->pending_ops);
object->n_children = 0;
object->n_ops = object->n_in_progress = object->n_exclusive = 0;
object->events = object->event_mask = 0;
object->flags = 0;
object->store_limit = 0;
object->store_limit_l = 0;
object->cache = cache;
object->cookie = cookie;
object->parent = NULL;
}
EXPORT_SYMBOL(fscache_object_init);
/*
* initialise an object

38
include/linux/fscache-cache.h
View file

@ -426,42 +426,8 @@ extern const char *fscache_object_states[];
(test_bit(FSCACHE_IOERROR, &(obj)->cache->flags) && \
(obj)->state >= FSCACHE_OBJECT_DYING)
extern void fscache_object_work_func(struct work_struct *work);
/**
* fscache_object_init - Initialise a cache object description
* @object: Object description
*
* Initialise a cache object description to its basic values.
*
* See Documentation/filesystems/caching/backend-api.txt for a complete
* description.
*/
static inline
void fscache_object_init(struct fscache_object *object,
struct fscache_cookie *cookie,
struct fscache_cache *cache)
{
atomic_inc(&cache->object_count);
object->state = FSCACHE_OBJECT_INIT;
spin_lock_init(&object->lock);
INIT_LIST_HEAD(&object->cache_link);
INIT_HLIST_NODE(&object->cookie_link);
INIT_WORK(&object->work, fscache_object_work_func);
INIT_LIST_HEAD(&object->dependents);
INIT_LIST_HEAD(&object->dep_link);
INIT_LIST_HEAD(&object->pending_ops);
object->n_children = 0;
object->n_ops = object->n_in_progress = object->n_exclusive = 0;
object->events = object->event_mask = 0;
object->flags = 0;
object->store_limit = 0;
object->store_limit_l = 0;
object->cache = cache;
object->cookie = cookie;
object->parent = NULL;
}
extern void fscache_object_init(struct fscache_object *, struct fscache_cookie *,
struct fscache_cache *);
extern void fscache_object_lookup_negative(struct fscache_object *object);
extern void fscache_obtained_object(struct fscache_object *object);