xprtrdma: Clean up SGE accounting in rpcrdma_prepare_msg_sges()
Clean up. rpcrdma_prepare_hdr_sge() sets num_sge to one, then rpcrdma_prepare_msg_sges() sets num_sge again to the count of SGEs it added, plus one for the header SGE just mapped in rpcrdma_prepare_hdr_sge(). This is confusing, and nails in an assumption about when these functions are called. Instead, maintain a running count that both functions can update with just the number of SGEs they have added to the SGE array. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Showing
Please register or sign in to comment