323 	struct mm_struct *mm = vma->vm_mm;  in aio_ring_mremap()  local
327 	spin_lock(&mm->ioctx_lock);  in aio_ring_mremap()
329 	table = rcu_dereference(mm->ioctx_table);  in aio_ring_mremap()
344 	spin_unlock(&mm->ioctx_lock);  in aio_ring_mremap()
449 	struct mm_struct *mm = current->mm;  in aio_setup_ring()  local
508 	if (down_write_killable(&mm->mmap_sem)) {  in aio_setup_ring()
517 	up_write(&mm->mmap_sem);  in aio_setup_ring()
650 static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm)  in ioctx_add_table()  argument
656 	spin_lock(&mm->ioctx_lock);  in ioctx_add_table()
657 	table = rcu_dereference_raw(mm->ioctx_table);  in ioctx_add_table()
665 					spin_unlock(&mm->ioctx_lock);  in ioctx_add_table()
678 		spin_unlock(&mm->ioctx_lock);  in ioctx_add_table()
687 		spin_lock(&mm->ioctx_lock);  in ioctx_add_table()
688 		old = rcu_dereference_raw(mm->ioctx_table);  in ioctx_add_table()
691 			rcu_assign_pointer(mm->ioctx_table, table);  in ioctx_add_table()
696 			rcu_assign_pointer(mm->ioctx_table, table);  in ioctx_add_table()
720 	struct mm_struct *mm = current->mm;  in ioctx_alloc()  local
794 	err = ioctx_add_table(ctx, mm);  in ioctx_alloc()
802 		 ctx, ctx->user_id, mm, ctx->nr_events);  in ioctx_alloc()
827 static int kill_ioctx(struct mm_struct *mm, struct kioctx *ctx,  in kill_ioctx()  argument
832 	spin_lock(&mm->ioctx_lock);  in kill_ioctx()
834 		spin_unlock(&mm->ioctx_lock);  in kill_ioctx()
838 	table = rcu_dereference_raw(mm->ioctx_table);  in kill_ioctx()
841 	spin_unlock(&mm->ioctx_lock);  in kill_ioctx()
871 void exit_aio(struct mm_struct *mm)  in exit_aio()  argument
873 	struct kioctx_table *table = rcu_dereference_raw(mm->ioctx_table);  in exit_aio()
901 		kill_ioctx(mm, ctx, &wait);  in exit_aio()
909 	RCU_INIT_POINTER(mm->ioctx_table, NULL);  in exit_aio()
1061 	struct mm_struct *mm = current->mm;  in lookup_ioctx()  local
1070 	table = rcu_dereference(mm->ioctx_table);  in lookup_ioctx()
1379 			kill_ioctx(current->mm, ioctx, NULL);  in SYSCALL_DEFINE2()
1407 		ret = kill_ioctx(current->mm, ioctx, &wait);  in SYSCALL_DEFINE1()