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xprtrdma: Modernize ops->connect

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Adapt and apply changes that were made to the TCP socket connect
code. See the following commits for details on the purpose of
these changes:

Commit 7196dbb02e ("SUNRPC: Allow changing of the TCP timeout parameters on the fly")
Commit 3851f1cdb2 ("SUNRPC: Limit the reconnect backoff timer to the max RPC message timeout")
Commit 02910177ae ("SUNRPC: Fix reconnection timeouts")

Some common transport code is moved to xprt.c to satisfy the code
duplication police.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2019-06-19 10:33:42 -04:00
committed by Anna Schumaker
parent 5828cebad1
commit 675dd90ad0
7 changed files with 121 additions and 36 deletions
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3
include/linux/sunrpc/xprt.h
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@@ -334,6 +334,9 @@ struct xprt_class {
*/
struct rpc_xprt *xprt_create_transport(struct xprt_create *args);
void xprt_connect(struct rpc_task *task);
unsigned long xprt_reconnect_delay(const struct rpc_xprt *xprt);
void xprt_reconnect_backoff(struct rpc_xprt *xprt,
unsigned long init_to);
void xprt_reserve(struct rpc_task *task);
void xprt_retry_reserve(struct rpc_task *task);
int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task);