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The target needs to return the lesser of the client's Inbound RDMA Read Queue Depth (IRD), provided in the connection parameters, and the local device's Outbound RDMA Read Queue Depth (ORD). The latter limit is max_qp_init_rd_atom, not max_qp_rd_atom. The svcrdma_ord value caps the ORD value for iWARP transports, which do not exchange ORD/IRD values at connection time. Since no other Linux kernel RDMA-enabled storage target sees fit to provide this cap, I'm removing it here too. initiator_depth is a u8, so ensure the computed ORD value does not overflow that field. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@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.