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In rare cases, the current non-recursive delete algorithm doesn't deallocate empty intermediary indirect blocks. This should have very little practical effect, but deallocating all blocks correctly should still be preferable as it is cleaner and easier to validate. The fix consists of using the first block to deallocate to compute the start marker of the truncate point instead of the last block that needs to be kept. With that change, computing which indirect blocks are still needed becomes relatively easy. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.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.