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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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2
include/linux/sunrpc/xprt.h
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@@ -141,6 +141,7 @@ struct rpc_xprt_ops {
void (*connect)(struct rpc_xprt *xprt, struct rpc_task *task);
int (*buf_alloc)(struct rpc_task *task);
void (*buf_free)(struct rpc_task *task);
void (*prepare_request)(struct rpc_rqst *req);
int (*send_request)(struct rpc_rqst *req);
void (*set_retrans_timeout)(struct rpc_task *task);
void (*timer)(struct rpc_xprt *xprt, struct rpc_task *task);
@@ -343,6 +344,7 @@ int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_free_slot(struct rpc_xprt *xprt,
struct rpc_rqst *req);
void xprt_request_prepare(struct rpc_rqst *req);
bool xprt_prepare_transmit(struct rpc_task *task);
void xprt_request_enqueue_transmit(struct rpc_task *task);
void xprt_request_enqueue_receive(struct rpc_task *task);