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431cc1d8e2
mnt_set_mountpoint_beneath() consists of attaching new mount side-by-side with the one we want to mount beneath (by mnt_set_mountpoint()), followed by mnt_change_mountpoint() shifting the the top mount onto the new one (by mnt_change_mountpoint()). Both callers of mnt_set_mountpoint_beneath (both in attach_recursive_mnt()) have the same form - in 'beneath' case we call mnt_set_mountpoint_beneath(), otherwise - mnt_set_mountpoint(). The thing is, expressing that as unconditional mnt_set_mountpoint(), followed, in 'beneath' case, by mnt_change_mountpoint() is just as easy. And these mnt_change_mountpoint() callers are similar to the ones we do when it comes to attaching propagated copies, which will allow more cleanups in the next commits. Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.