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While sharing some mechanisms, the mount paths of v1 and v2 are substantially different. Their implementations were mixed in cgroup_mount(). This patch splits them out so that they're easier to follow and organize. This patch causes one functional change - the WARN_ON(new_sb) gets lost. This is because the actual mounting gets moved to cgroup_do_mount() and thus @new_sb is no longer accessible by default to cgroup1_mount(). While we can add it as an explicit out parameter to cgroup_do_mount(), this part of code hasn't changed and the warning hasn't triggered for quite a while. Dropping it should be fine. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.