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PHYSICAL memory registration uses a single rkey for all of the client's memory, thus is insecure. It is still useful in some cases for testing. Retain the ability to select PHYSICAL memory registration capability via /proc/sys/sunrpc/rdma_memreg_strategy, but don't fall back to it if the HCA does not support FRWR or FMR. This means amso1100 no longer works out of the box with NFS/RDMA. When using amso1100 HCAs, set the memreg_strategy sysctl to 6 before performing NFS/RDMA mounts. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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.. | ||
fmr_ops.c | ||
frwr_ops.c | ||
Makefile | ||
module.c | ||
physical_ops.c | ||
rpc_rdma.c | ||
svc_rdma.c | ||
svc_rdma_marshal.c | ||
svc_rdma_recvfrom.c | ||
svc_rdma_sendto.c | ||
svc_rdma_transport.c | ||
transport.c | ||
verbs.c | ||
xprt_rdma.h |