btrfs: fix races on root_log_ctx lists

[cascardo/linux.git] / fs / aio.c

diff --git a/fs/aio.c b/fs/aio.c
index fb8e45b..4fe81d1 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -239,7 +239,12 @@ static struct dentry *aio_mount(struct file_system_type *fs_type,
        static const struct dentry_operations ops = {
                .d_dname        = simple_dname,
        };
-       return mount_pseudo(fs_type, "aio:", NULL, &ops, AIO_RING_MAGIC);
+       struct dentry *root = mount_pseudo(fs_type, "aio:", NULL, &ops,
+                                          AIO_RING_MAGIC);
+
+       if (!IS_ERR(root))
+               root->d_sb->s_iflags |= SB_I_NOEXEC;
+       return root;
 }
 
 /* aio_setup