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Create a variant of xfs_dir2_data_freefind that is suitable for use in a verifier. Because _freefind is called by the verifier, we simply duplicate the _freefind function, convert the ASSERTs to return __this_address, and modify the verifier to call our new function. Once we've made it impossible for directory blocks with bad bestfree data to make it into the filesystem we can remove the DEBUG code from the regular _freefind function. Underlying argument: corruption of on-disk metadata should return -EFSCORRUPTED instead of blowing ASSERTs. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.