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ffb24e3c65
We get occasional reports of lookup errors due to mismatched origin ftype from users that re-format a lower squashfs image. Commit13c6ad0f45("ovl: document lower modification caveats") tries to discourage the practice of re-formating lower layers and describes the expected behavior as undefined. Commitb0e0f69731("ovl: restrict lower null uuid for "xino=auto"") limits the configurations in which origin file handles are followed. In addition to these measures, change the behavior in case of detecting a mismatch origin ftype in lookup to issue a warning, not follow origin, but not fail the lookup operation either. That should make overall more users happy without any big consequences. Link: https://lore.kernel.org/linux-unionfs/CAOQ4uxgPq9E9xxwU2CDyHy-_yCZZeymg+3n+-6AqkGGE1YtwvQ@mail.gmail.com/ Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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.