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authorAndy Grover <andy.grover@oracle.com>2010-04-13 12:00:35 -0700
committerAndy Grover <andy.grover@oracle.com>2010-09-08 18:12:07 -0700
commitaa0a4ef4ac3a3c5ffa35e32520bfbc0922ef3630 (patch)
tree13b078f08c9411e3f8f7052c79add9db228a00b6 /net/rds/ib.h
parent2c3a5f9abb1dc5efdab8ba9a568b1661c65fd1e3 (diff)
RDS: Make sure cmsgs aren't used in improper ways
It hasn't cropped up in the field, but this code ensures it is impossible to issue operations that pass an rdma cookie (DEST, MAP) in the same sendmsg call that's actually initiating rdma or atomic ops. Disallowing this perverse-but-technically-allowed usage makes silent RDMA heuristics slightly easier. Signed-off-by: Andy Grover <andy.grover@oracle.com>
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