Small cleanup to make the code more readable and maintainable.
Signed-off-by: Eric Biederman <ebiederm@xxxxxxxxxxxx>
---
fs/namespace.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index 82ef1405260e..e1ee57206eef 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1298,17 +1298,15 @@ static HLIST_HEAD(unmounted); /* protected by namespace_sem */
static void namespace_unlock(void)
{
- struct hlist_head head = unmounted;
+ struct hlist_head head;
- if (likely(hlist_empty(&head))) {
- up_write(&namespace_sem);
- return;
- }
+ hlist_move_list(&unmounted, &head);
- head.first->pprev = &head.first;
- INIT_HLIST_HEAD(&unmounted);
up_write(&namespace_sem);
+ if (likely(hlist_empty(&head)))
+ return;
+
synchronize_rcu();
group_pin_kill(&head);
--
2.2.1
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