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populate_free_space_tree calls function btrfs_search_slot_for_read with parameter int find_higher = 1, it means that, if no exact match is found, then use the next higher item. So in function populate_free_space_tree, use READA_FORWARD to read forward ahead. This also changes the value from READA_BACK to READA_FORWARD, since according to the logic, it should reada_for_search forward, not backward. Signed-off-by: Gu JinXiang <gujx@cn.fujitsu.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> [ update changelog ] 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.