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Two cases in xfs_bmap_add_extent_delay_real currently insert a new extent before updating the existing one that is being split. While this works fine with a simple extent list, a more complex tree can't easily cope with overlapping extent. Reshuffle the code a bit to update the slot of the existing delalloc extent to the new real extent before inserting the shortened delalloc extent before or after it. This avoids the overlapping extents while still allowing to update the br_startblock field of the delalloc extent with the updated indirect block reservation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.