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Christian Brauner <brauner@kernel.org> says: This simplifies the copyup specific credential override. The current code is centered around a helper struct ovl_cu_creds and is a bit convoluted. We can simplify this by using a cred guard. This will also allow us to remove the helper struct and associated functions. * patches from https://patch.msgid.link/20251114-work-ovl-cred-guard-copyup-v1-0-ea3fb15cf427@kernel.org: ovl: remove struct ovl_cu_creds and associated functions ovl: port ovl_copy_up_tmpfile() to cred guard ovl: mark *_cu_creds() as unused temporarily ovl: port ovl_copy_up_workdir() to cred guard ovl: add copy up credential guard Link: https://patch.msgid.link/20251114-work-ovl-cred-guard-copyup-v1-0-ea3fb15cf427@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 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.