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33a9be2b70
The previous commit added a new file mapping exchange flag that enables us to perform post-exchange processing on file2 once we're done exchanging the extent mappings. Now add this ability for symlinks. This isn't used anywhere right now, but we need to have the basic ondisk flags in place so that a future online symlink repair feature can salvage the remote target in a temporary link and exchange the data fork mappings when ready. If one file is in extents format and the other is inline, we will have to promote both to extents format to perform the exchange. After the exchange, we can try to condense the fixed symlink down to inline format if possible. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
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.