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The BUG_ON() can be triggered when the caller is processing an invalid extent inline ref, e.g. a shared data ref is offered instead of an extent data ref, such that it tries to find a non-existent tree block and then btrfs_search_slot returns 1 for no such item. This replaces the BUG_ON() with a WARN() followed by calling btrfs_print_leaf() to show more details about what's going on and returning -EINVAL to upper callers. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.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.