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Miklos Szeredi a6fcfe9bb2 ovl: make redirect/metacopy rejection consistent
When overlayfs finds a file with metacopy and/or redirect attributes and
the metacopy and/or redirect features are not enabled, then it refuses to
act on those attributes while also issuing a warning.

There was an inconsistency in not checking metacopy found from the index.

And also only warning on an upper metacopy if it found the next file on the
lower layer, while always warning for metacopy found on a lower layer.

Fix these inconsistencies and make the logic more straightforward, paving
the way for following patches to change when data redirects are allowed.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
History 2025-04-30 10:55:27 +02:00
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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.