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Since the unstripe target takes a target length which is the size of *one* striped member we're trying to expose, not the total size of *all* the striped members, the check does not make sense and fails for some striped setups. For example, say we have a 4TB striped device: or 3907018496 sectors per underlying device: if (sector_div(width, uc->stripes)) : 3907018496 / 2(num stripes) == 1953509248 tmp_len = width; if (sector_div(tmp_len, uc->chunk_size)) : 1953509248 / 256(chunk size) == 7630895.5 (fails) Fix this by removing the first check which isn't valid for unstriping. Signed-off-by: Scott Bauer <scott.bauer@intel.com> Signed-off-by: Mike Snitzer <snitzer@redhat.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.