diff options
Diffstat (limited to 'include/linux/fs_pin.h')
| -rw-r--r-- | include/linux/fs_pin.h | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h index f66525e72ccf..9dc4e0384bfb 100644 --- a/include/linux/fs_pin.h +++ b/include/linux/fs_pin.h @@ -1,17 +1,22 @@ -#include <linux/fs.h> +#include <linux/wait.h> struct fs_pin { - atomic_long_t count; - union { - struct { - struct hlist_node s_list; - struct hlist_node m_list; - }; - struct rcu_head rcu; - }; + wait_queue_head_t wait; + int done; + struct hlist_node s_list; + struct hlist_node m_list; void (*kill)(struct fs_pin *); }; -void pin_put(struct fs_pin *); +struct vfsmount; + +static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *)) +{ + init_waitqueue_head(&p->wait); + p->kill = kill; +} + void pin_remove(struct fs_pin *); +void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *); void pin_insert(struct fs_pin *, struct vfsmount *); +void pin_kill(struct fs_pin *); |