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chunk_aligned_read() currently uses fs_bio_set - which is meant for filesystems to use - and loops if multiple splits are needed, which is not best practice. As this is only used for READ requests, not writes, it is unlikely to cause a problem. However it is best to be consistent in how we split bios, and to follow the pattern used in raid1/raid10. So create a private bioset, bio_split, and use it to perform a single split, submitting the remainder to generic_make_request() for later processing. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.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.