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d_path_outlen() isn't needed because we know that d_path() always populates the given buffer backwards starting from the last byte; with this, we can easily calculate the length of the generated string by using the returned pointer from d_path() and the size of the buffer given to d_path(). This eliminates the need for d_path_outlen() and removes the bizarre strlen() usage, which makes things simpler and faster. We also now avoid a memmove() when d_path() completely uses up its provided buffer. Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com> Change-Id: I3c8a961f4c6c98e51557ad0254b39575b716569b Signed-off-by: Richard Raya <rdxzv.dev@gmail.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.