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We do a couple different cleanup operations on the ref head. We adjust counters, we'll free any reserved space if we didn't end up using the ref, and we clear the pending csum bytes. Move all these disparate things into cleanup_ref_head and clean up the logic in __btrfs_run_delayed_refs so that it handles the !ref case a lot cleaner, as well as making run_one_delayed_ref() only deal with real refs and not the ref head. Signed-off-by: Josef Bacik <jbacik@fb.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.