rdma - Issue in SA query Infiniband -


what parameter context passed function ib_sa_path_rec_get ib_sa?

it common asynchronous functions in kernel accept callback function , context pointer. once handling complete, callback function called passing context pointer 1 of parameters. allows caller identify specific invocation callback being called.

in case of ib_sa_path_rec_get, can see example 1 of calls functions in ipoib module. call passes callback function path_rec_completion , context of type struct ipoib_path *. once sa query handling complete, callback function called, , uses context parameter identify ipoib_path struct function being called.


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