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fd912087f4
guaranteed to be equal to current_user_ns() here - it has not been changed since alloc_fs_context() (nothing in legacy methods changes it) and since we don't have SB_SUBMOUNT, that must've been FS_CONTEXT_FOR_MOUNT. And in that case we have fc->user_ns set to fc->cred->user_ns, i.e. current_cred()->user_ns, i.e. current_user_ns() 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 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.