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Christoph Hellwig 59655147ec xfs: improve the xg_active_ref check in xfs_group_free
Split up the XFS_IS_CORRUPT statement so that it immediately shows
if the reference counter overflowed or underflowed.

I ran into this quite a bit when developing the zoned allocator, and had
to reapply the patch for some work recently.  We might as well just apply
it upstream given that freeing group is far removed from performance
critical code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
History 2025-07-24 17:30:14 +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.