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SUNRPC: Add a bvec array to struct xdr_buf for use with iovec_iter()

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Add a bvec array to struct xdr_buf, and have the client allocate it
when we need to receive data into pages.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2018-09-13 12:22:04 -04:00
parent 431f6eb357
commit 9d96acbc7f
5 changed files with 63 additions and 1 deletions
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4
net/sunrpc/clnt.c
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@@ -1753,6 +1753,8 @@ rpc_xdr_encode(struct rpc_task *task)
task->tk_status = rpcauth_wrap_req(task, encode, req, p,
task->tk_msg.rpc_argp);
if (task->tk_status == 0)
xprt_request_prepare(req);
}
/*
@@ -1768,7 +1770,7 @@ call_encode(struct rpc_task *task)
/* Did the encode result in an error condition? */
if (task->tk_status != 0) {
/* Was the error nonfatal? */
if (task->tk_status == -EAGAIN)
if (task->tk_status == -EAGAIN || task->tk_status == -ENOMEM)
rpc_delay(task, HZ >> 4);
else
rpc_exit(task, task->tk_status);