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Currently struct names for sysfs are generated only based on the attribute names. This means that attribute names cannot be reused in multiple places throughout the complete btrfs sysfs hierarchy. E.g. allocation/data/total_bytes and allocation/data/single/total_bytes result in the same struct name btrfs_attr_total_bytes. A workaround for this case was made in the past by ad hoc creating an extra macro wrapper, BTRFS_RAID_ATTR, that inserts some extra text in the struct name. Instead of polluting sysfs.h with such kind of extra macro definitions, and only doing so when there are collisions, use a prefix which gets inserted in the struct name, so we keep everything nicely grouped together by default. Current collections of attributes are: * (the toplevel, empty prefix) * allocation * space_info * raid * features Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@mendix.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.