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Every shared ref has a parent tree block, which can be get from btrfs_extent_inline_ref_offset(). And the tree block must be aligned to the nodesize, so we'd know this inline ref is not valid if this block's bytenr is not aligned to the nodesize, in which case, most likely the ref type has been misused. This adds the above mentioned check and also updates print_extent_item() called by btrfs_print_leaf() to point out the invalid ref while printing the tree structure. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.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.