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authorIngo Molnar <mingo@kernel.org>2015-03-05 20:52:18 +0100
committerIngo Molnar <mingo@kernel.org>2015-03-05 20:52:18 +0100
commit33ca8a53f262b4af40611bea331b8c87d133af72 (patch)
treed6468c820a556c4915bcb5b761204a0fb19e8225 /include/linux/fs_pin.h
parentdb2dcb4f91d5fec5c346a82c309187ee821e2495 (diff)
parent13a7a6ac0a11197edcd0f756a035f472b42cdf8b (diff)
Merge tag 'v4.0-rc2' into irq/core, to refresh the tree before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/fs_pin.h')
-rw-r--r--include/linux/fs_pin.h25
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 *);