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The current command submission code uses a sector-based value when considering the maximum number of blocks per command. With a 4k-formatted namespace and a command exceeding max hardware limits, this calculation doesn't split IOs which should be split and fails in the nvme layer. This patch fixes that calculation and enables IO splitting in these circumstances. Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Reviewed-by: Jens Axboe <axboe@fb.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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.