Merge branch 'block-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/block

* 'block-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/block:
  [PATCH] fix rmmod problems with elevator attributes, clean them up
  [PATCH] elevator_t lifetime rules and sysfs fixes
  [PATCH] noise removal: cfq-iosched.c
  [PATCH] don't bother with refcounting for cfq_data
  [PATCH] fix sysfs interaction and lifetime rules handling for queues
  [PATCH] regularize blk_cleanup_queue() use
  [PATCH] fix cfq_get_queue()/ioprio_set(2) races
  [PATCH] deal with rmmod/put_io_context() races
  [PATCH] stop elv_unregister() from rogering other iosched's data, fix locking
  [PATCH] stop cfq from pinning queue down
  [PATCH] make cfq_exit_queue() prune the cfq_io_context for that queue
  [PATCH] fix the exclusion for ioprio_set()
  [PATCH] keep sync and async cfq_queue separate
  [PATCH] switch to use of ->key to get cfq_data by cfq_io_context
  [PATCH] stop leaking cfq_data in cfq_set_request()
  [PATCH] fix cfq hash lookups
  [PATCH] fix locking in queue_requests_store()
  [PATCH] fix double-free in blk_init_queue_node()
  [PATCH] don't do exit_io_context() until we know we won't be doing any IO

1 files changed, 5 insertions, 2 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 531aadca5530..d1e8d500a7e1 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -807,8 +807,6 @@ fastcall NORET_TYPE void do_exit(long code)
 		panic("Attempted to kill the idle task!");
 	if (unlikely(tsk->pid == 1))
 		panic("Attempted to kill init!");
-	if (tsk->io_context)
-		exit_io_context();
 
 	if (unlikely(current->ptrace & PT_TRACE_EXIT)) {
 		current->ptrace_message = code;
@@ -822,6 +820,8 @@ fastcall NORET_TYPE void do_exit(long code)
 	if (unlikely(tsk->flags & PF_EXITING)) {
 		printk(KERN_ALERT
 			"Fixing recursive fault but reboot is needed!\n");
+		if (tsk->io_context)
+			exit_io_context();
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule();
 	}
@@ -881,6 +881,9 @@ fastcall NORET_TYPE void do_exit(long code)
 	 */
 	mutex_debug_check_no_locks_held(tsk);
 
+	if (tsk->io_context)
+		exit_io_context();
+
 	/* PF_DEAD causes final put_task_struct after we schedule. */
 	preempt_disable();
 	BUG_ON(tsk->flags & PF_DEAD);