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commit 6aac77059881e4419df499392c995bf02fb9630b upstream. Currently the debug-only xfs_bmap_exact_minlen_extent_alloc allocation variant fails to drop into the lowmode last resort allocator, and thus can sometimes fail allocations for which the caller has a transaction block reservation. Fix this by using xfs_bmap_btalloc_low_space to do the actual allocation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org> Signed-off-by: Catherine Hoang <catherine.hoang@oracle.com> Acked-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.