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81e6a63728
The logic for sg_seg_cnt is a bit convoluted. This patch tries to clean up a couple of areas, especially around the +2 and +1 logic. This patch: - Cleans up the lpfc_sg_seg_cnt attribute to specify a real minimum rather than making the minimum be whatever the default is. - Removes the hardcoding of +2 (for the number of elements we use in a sgl for cmd iu and rsp iu) and +1 (an additional entry to compensate for nvme's reduction of io size based on a possible partial page) logic in sg list initialization. In the case where the +1 logic is referenced in host and target io checks, use the values set in the transport template as that value was properly set. There can certainly be more done in this area and it will be addressed in combined host/target driver effort. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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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.