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64f44b27ae
Currently, lock_mount() uses a goto to retry the lookup until it succeeded in acquiring the namespace_lock() preventing the top mount from being overmounted. While that's perfectly fine we want to lookup the mountpoint on the parent of the top mount in later patches. So adapt the code to make this easier to implement. Also, the for loop is arguably a little cleaner and makes the code easier to follow. No functional changes intended. Reviewed-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org> Message-Id: <20230202-fs-move-mount-replace-v4-3-98f3d80d7eaa@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
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 Restructured Text 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.